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    LTC3858 Price and Stock

    Analog Devices Inc LTC3858EUH-TRPBF

    IC REG CTRLR BUCK 32QFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC3858EUH-TRPBF Reel 2,500 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $5.975
    Buy Now

    Analog Devices Inc LTC3858EUH-PBF

    IC REG CTRLR BUCK 32QFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC3858EUH-PBF Tube 185 1
    • 1 $12.89
    • 10 $9.104
    • 100 $7.0402
    • 1000 $5.975
    • 10000 $5.975
    Buy Now

    Analog Devices Inc LTC3858IGN-1-PBF

    IC REG CTRLR BUCK 28SSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC3858IGN-1-PBF Tube 88 1
    • 1 $13.19
    • 10 $9.34
    • 100 $13.19
    • 1000 $6.3434
    • 10000 $6.2375
    Buy Now

    Analog Devices Inc LTC3858EGN-1-PBF

    IC REG CTRLR BUCK 28SSOP
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC3858EGN-1-PBF Tube 79 1
    • 1 $12.57
    • 10 $8.867
    • 100 $6.8459
    • 1000 $5.7875
    • 10000 $5.7875
    Buy Now

    Analog Devices Inc LTC3858IUH-PBF

    IC REG CTRLR BUCK 32QFN
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    DigiKey LTC3858IUH-PBF Tube 72 1
    • 1 $13.47
    • 10 $9.543
    • 100 $7.4015
    • 1000 $6.325
    • 10000 $6.325
    Buy Now

    LTC3858 Datasheets (20)

    Part ECAD Model Manufacturer Description Curated Datasheet Type PDF
    LTC3858EGN-1#PBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PDSO28, 0.150 INCH, LEAD FREE, PLASTIC, SSOP-28, Switching Regulator or Controller Original PDF
    LTC3858EGN-1#TRPBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PDSO28, 0.150 INCH, LEAD FREE, PLASTIC, SSOP-28, Switching Regulator or Controller Original PDF
    LTC3858EUFD-1#PBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PQCC28, 4 X 5 MM, LEAD FREE, PLASTIC, MO-220, QFN-28, Switching Regulator or Controller Original PDF
    LTC3858EUFD-1#TRPBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PQCC28, 4 X 5 MM, LEAD FREE, PLASTIC, MO-220, QFN-28, Switching Regulator or Controller Original PDF
    LTC3858EUH#PBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 585 kHz SWITCHING FREQ-MAX, PQCC32, 5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32, Switching Regulator or Controller Original PDF
    LTC3858EUH#TRPBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 585 kHz SWITCHING FREQ-MAX, PQCC32, 5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32, Switching Regulator or Controller Original PDF
    LTC3858EUH-2#PBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PQCC32, 5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32, Switching Regulator or Controller Original PDF
    LTC3858EUH-2#PBF Linear Technology PMIC - Voltage Regulators - DC DC Switching Controllers, Integrated Circuits (ICs), IC REG CTRLR BUCK PWM CM 32-QFN Original PDF
    LTC3858EUH-2#TRPBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PQCC32, 5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32, Switching Regulator or Controller Original PDF
    LTC3858EUH-2#TRPBF Linear Technology PMIC - Voltage Regulators - DC DC Switching Controllers, Integrated Circuits (ICs), IC REG CTRLR BUCK PWM CM 32-QFN Original PDF
    LTC3858IGN-1#PBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PDSO28, 0.150 INCH, LEAD FREE, PLASTIC, SSOP-28, Switching Regulator or Controller Original PDF
    LTC3858IGN-1#TRPBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PDSO28, 0.150 INCH, LEAD FREE, PLASTIC, SSOP-28, Switching Regulator or Controller Original PDF
    LTC3858IUFD-1#PBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PQCC28, 4 X 5 MM, LEAD FREE, PLASTIC, MO-220, QFN-28, Switching Regulator or Controller Original PDF
    LTC3858IUFD-1#TRPBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PQCC28, 4 X 5 MM, LEAD FREE, PLASTIC, MO-220, QFN-28, Switching Regulator or Controller Original PDF
    LTC3858IUH#PBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 585 kHz SWITCHING FREQ-MAX, PQCC32, 5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32, Switching Regulator or Controller Original PDF
    LTC3858IUH#TRPBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 585 kHz SWITCHING FREQ-MAX, PQCC32, 5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32, Switching Regulator or Controller Original PDF
    LTC3858IUH-2#PBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PQCC32, 5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32, Switching Regulator or Controller Original PDF
    LTC3858IUH-2#PBF Linear Technology PMIC - Voltage Regulators - DC DC Switching Controllers, Integrated Circuits (ICs), IC REG CTRLR BUCK PWM CM 32-QFN Original PDF
    LTC3858IUH-2#TRPBF Linear Technology LTC3858 - IC DUAL SWITCHING CONTROLLER, 900 kHz SWITCHING FREQ-MAX, PQCC32, 5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32, Switching Regulator or Controller Original PDF
    LTC3858IUH-2#TRPBF Linear Technology PMIC - Voltage Regulators - DC DC Switching Controllers, Integrated Circuits (ICs), IC REG CTRLR BUCK PWM CM 32-QFN Original PDF

    LTC3858 Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    Untitled

    Abstract: No abstract text available
    Text: LTC3858-2 Low IQ, Dual 2-Phase Synchronous Step-Down Controller DESCRIPTION FEATURES n n n n n n n n n n n n n n n n Low Operating IQ: 170µA One Channel On Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V Wide VIN Range: 4V to 38V RSENSE or DCR Current Sensing


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    PDF LTC3858-2 75kHz-850kHz) 50kHz-900kHz) 140kHz 650kHz, LTC3891 50kHz 900kHz, LTC3824 200kHz

    LTC3858EGN-1

    Abstract: CDEP105-8R8M LTC3780 LTC3827-1 LTC3858E-1 ltc3608 LTC3858 LTC3858-1 LTC3858EUFD-1 LTC3858GN-1
    Text: LTC3858-1 Low IQ, Dual 2-Phase Synchronous Step-Down Controller DESCRIPTION FEATURES n n n n n n n n n n n n n n n n n n The LTC 3858-1 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency


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    PDF LTC3858-1 850kHz. Noise38V LTM4600HV LTM4601AHV 38581fa LTC3858EGN-1 CDEP105-8R8M LTC3780 LTC3827-1 LTC3858E-1 ltc3608 LTC3858 LTC3858-1 LTC3858EUFD-1 LTC3858GN-1

    K3858

    Abstract: LTC3858 LTC3858-1 LTC3858E LTC3858EUH LTC3858I LTC3858IUH
    Text: LTC3858 Low IQ, Dual 2-Phase Synchronous Step-Down Controller Description Features n n n n n n n n n n n n n n n n n n The LTC 3858 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency


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    PDF LTC3858 850kHz. In3835-1 140kHz 650kHz, LT3845 100kHz 500kHz, TSSOP-16 LTC3824 K3858 LTC3858 LTC3858-1 LTC3858E LTC3858EUH LTC3858I LTC3858IUH

    RJK0328

    Abstract: LTC3858 LTC3858-1 LTC3858E LTC3858EUH LTC3858I LTC3858IUH qfn-16 352
    Text: LTC3858 Low IQ, Dual 2-Phase Synchronous Step-Down Controller Description Features n n n n n n n n n n n n n n n n n n The LTC 3858 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency


    Original
    PDF LTC3858 850kHz. MSOP-16E, QFN-16, SSOP-16 LTM4600HV LTM4601AHV 3858fa RJK0328 LTC3858 LTC3858-1 LTC3858E LTC3858EUH LTC3858I LTC3858IUH qfn-16 352

    LTC3858IGN-1

    Abstract: LTC3858IUFD-1 LTC3858 LTC3858-1 LTC3858E-1 LTC3858EGN-1 LTC3858EUFD-1 LTC3858GN-1 JEDEC Drawing MO-220 qfn
    Text: LTC3858-1 Low IQ, Dual 2-Phase Synchronous Step-Down Controller Description Features n n n n n n n n n n n n n n n n n n The LTC 3858-1 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency


    Original
    PDF LTC3858-1 850kHz. MSOP-16E, QFN-16, SSOP-16 LTM4600HV LTM4601AHV 38581fb LTC3858IGN-1 LTC3858IUFD-1 LTC3858 LTC3858-1 LTC3858E-1 LTC3858EGN-1 LTC3858EUFD-1 LTC3858GN-1 JEDEC Drawing MO-220 qfn

    LTC3858EUH

    Abstract: Schematic interleaving Jp1 MODE 1510A
    Text: DEMO CIRCUIT 1510A LTC3858EUH Demo Manual LTC3858EUH POLYPHASE HIGH VOUT SYNC. BUCK CONVERTER DESCRIPTION Demonstration circuit 1510A is a high output voltage, high efficiency synchronous poly-phase buck converter featuring the LTC3858EUH. The demo circuit is available


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    PDF LTC3858EUH LTC3858EUH. DC1510A-A LTC3858EUH 2V/50A DC1510A-B 2V/25A Schematic interleaving Jp1 MODE 1510A

    LTC3858-1

    Abstract: LTC38581 LTC3858 QFN-28 170uA
    Text: News Release ⎜ www.linear.com Dual Output Synchronous DC/DC Controller Draws Only 170uA in Battery-Powered Systems MILPITAS, CA – July 21, 2009 – Linear Technology Corporation introduces the LTC3858/-1, a low quiescent current, 2-phase dual output synchronous step-down DC/DC controller that draws


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    PDF 170uA LTC3858/-1, 300uA LTC3858/-1 LTC3858-1 LTC38581 LTC3858 QFN-28

    ltc3608

    Abstract: LTC3858 LTC3858-1 LTC3858E LTC3858EUH LTC3858I LTC3858IUH F12b
    Text: LTC3858 Low IQ, Dual 2-Phase Synchronous Step-Down Controller DESCRIPTION FEATURES n n n n n n n n n n n n n n n n n n The LTC 3858 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency


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    PDF LTC3858 850kHz. LTM4600HV LTM4601AHV 3858f ltc3608 LTC3858 LTC3858-1 LTC3858E LTC3858EUH LTC3858I LTC3858IUH F12b

    K3858

    Abstract: f105k RJK0328 LTC3858 LTC3858-1 LTC3858E LTC3858EUH LTC3858I LTC3858IUH f65k
    Text: LTC3858 Low IQ, Dual 2-Phase Synchronous Step-Down Controller DESCRIPTION FEATURES n n n n n n n n n n n n n n n n n n The LTC 3858 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency


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    PDF LTC3858 850kHz. OPC3835-1 140kHz 650kHz, LT3845A 100kHz 500kHz, TSSOP-16 LTC3824 K3858 f105k RJK0328 LTC3858 LTC3858-1 LTC3858E LTC3858EUH LTC3858I LTC3858IUH f65k

    Untitled

    Abstract: No abstract text available
    Text: LTC3858-1 Low IQ, Dual 2-Phase Synchronous Step-Down Controller DESCRIPTION FEATURES n n n n n n n n n n n n n n n n n n The LTC 3858-1 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency


    Original
    PDF LTC3858-1 850kHz. 140kHz 650kHz, LT3845A 100kHz 500kHz, TSSOP-16 LTC3824 200kHz

    Untitled

    Abstract: No abstract text available
    Text: LTC3858 Low IQ, Dual 2-Phase Synchronous Step-Down Controller DESCRIPTION FEATURES n n n n n n n n n n n n n n n n n n The LTC 3858 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency


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    PDF LTC3858 850kHz. 140kHz 650kHz, LT3845A 100kHz 500kHz, TSSOP-16 LTC3824 200kHz

    LTC3858GN-1

    Abstract: GN28 LTC3858-1 LTC3858IGN-1 LTC3858IUFD-1 LTC3858 LTC3858E-1 LTC3858EGN-1 LTC3858EUFD-1 msop10
    Text: LTC3858-1 Low IQ, Dual 2-Phase Synchronous Step-Down Controller Description Features n n n n n n n n n n n n n n n n n n The LTC 3858-1 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency


    Original
    PDF LTC3858-1 850kHz. In835-1 140kHz 650kHz, LT3845 100kHz 500kHz, TSSOP-16 LTC3824 LTC3858GN-1 GN28 LTC3858-1 LTC3858IGN-1 LTC3858IUFD-1 LTC3858 LTC3858E-1 LTC3858EGN-1 LTC3858EUFD-1 msop10

    f105k

    Abstract: No abstract text available
    Text: LTC3858-1 Low IQ, Dual 2-Phase Synchronous Step-Down Controller DESCRIPTION FEATURES n n n n n n n n n n n n n n n n n n The LTC 3858-1 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency


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    PDF LTC3858-1 850kHz. LTC3835/LTC3835-1 140kHz 650kHz, LT3845A LTC3824 100kHz 500kHz, f105k

    LTC3858-2

    Abstract: F13D LTC3858EUH-2 ltc38582 LTC3858IUH-2 f65k LTC3858E-2 LTC3858I-2 LTC3858 LTC3858-1
    Text: LTC3858-2 Low IQ, Dual 2-Phase Synchronous Step-Down Controller DESCRIPTION FEATURES n n n n n n n n n n n n n n n n The LTC 3858-2 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency


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    PDF LTC3858-2 850kHz. OPT5/LTC3835-1 140kHz 650kHz, LTC3891 50kHz 900kHz, LTC3824 200kHz LTC3858-2 F13D LTC3858EUH-2 ltc38582 LTC3858IUH-2 f65k LTC3858E-2 LTC3858I-2 LTC3858 LTC3858-1

    0709 817 B data sheet

    Abstract: ltc3608 LTC3858 LTC3858-1 LTC3858E-1 LTC3858EGN-1 LTC3858EUFD-1 LTC3858GN-1 LTC3858IGN-1 LTC3858IUFD-1
    Text: LTC3858-1 Low IQ, Dual 2-Phase Synchronous Step-Down Controller DESCRIPTION FEATURES n n n n n n n n n n n n n n n n n n The LTC 3858-1 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency


    Original
    PDF LTC3858-1 850kHz. LTM4600HV LTM4601AHV 38581f 0709 817 B data sheet ltc3608 LTC3858 LTC3858-1 LTC3858E-1 LTC3858EGN-1 LTC3858EUFD-1 LTC3858GN-1 LTC3858IGN-1 LTC3858IUFD-1

    CDEP105-3R2M

    Abstract: CDEP105-7R2M LTC3857EGN-1 CMDSH-4E LTC3858EGN-1
    Text: QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 1352A LOW QUIESCENT CURRENT, DUAL OUTPUT SYNCHRONOUS BUCK CONVERTER LTC3857EGN-1/LTC3858EGN-1 DESCRIPTION Demonstration circuit 1352A is a Low Quiescent Current, Dual Output Synchronous Buck Converter featuring the LTC3857EGN-1/LTC3858EGN-1.


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    PDF LTC3857EGN-1/LTC3858EGN-1 LTC3857EGN-1/LTC3858EGN-1. LTC3857/8EGN-1 28-lead LTC3857EGN-1 CDEP105-3R2M 100uF 220uF CDEP105-3R2M CDEP105-7R2M CMDSH-4E LTC3858EGN-1

    LTC3891

    Abstract: LTC3891EUDC f105k f65k LTC3891IUDC#TRPBF LTC3891EFE LTC3891IUDC LTC3891IUDC#PBF c3891 LTC3891IFE
    Text: LTC3891 Low IQ, 60V Synchronous Step-Down Controller FEATURES n n n n n n n n n n n n n n n n DESCRIPTION Wide VIN Range: 4V to 60V 65V Abs Max Low Operating IQ: 50 A Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 24V RSENSE or DCR Current Sensing Phase-Lockable Frequency (75kHz to 750kHz)


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    PDF LTC3891 75kHz 750kHz) 50kHz 900kHz) Start-10V, 140kHz 650kHz, 100kHz 500kHz, LTC3891 LTC3891EUDC f105k f65k LTC3891IUDC#TRPBF LTC3891EFE LTC3891IUDC LTC3891IUDC#PBF c3891 LTC3891IFE

    20-PIN

    Abstract: LTC3835 LTC3835-1 LTC3835EFE LTC3835EUFD FE204
    Text: LTC3835 Low IQ Synchronous Step-Down Controller DESCRIPTION FEATURES n n n n n n n n n n n n n n n n n Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V Low Operating Quiescent Current: 80µA OPTI-LOOP Compensation Minimizes COUT ±1% Output Voltage Accuracy


    Original
    PDF LTC3835 140kHz 650kHz 400kHz QFN-12 250kHz 750kHz, MSOP-16E, QFN-16, SSOP-16 20-PIN LTC3835 LTC3835-1 LTC3835EFE LTC3835EUFD FE204

    RJK0305

    Abstract: LTC3868-1 LTC3868E-1 LTC3868EGN-1 LTC3868EUFD-1 LTC3868GN-1 LTC3868IGN-1 LTC3868IUFD-1
    Text: LTC3868-1 Low IQ, Dual 2-Phase Synchronous Step-Down Controller Description Features n n n n n n n n n n n n n n n n n n The LTC 3868-1 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency


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    PDF LTC3868-1 850kHz. MSOP-16E, QFN-16 LTC3851A/ LTC3851A-1 250kHz 750kHz, QFN-16, RJK0305 LTC3868-1 LTC3868E-1 LTC3868EGN-1 LTC3868EUFD-1 LTC3868GN-1 LTC3868IGN-1 LTC3868IUFD-1

    sanyo 50CE220LX

    Abstract: 50CE220LX BSZ097NO4LS BSC027NO4LS CMDH-4E schematic diagram 12v 48v dc buck boost convert LTC3859EFE f105k f65k Thermal Shut Down Functioned MOSFET
    Text: LTC3859 Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller DESCRIPTION FEATURES n n n n n n n n n n n n n n n Dual Buck Plus Single Boost Synchronous Controllers Outputs Remain in Regulation Through Cold Crank Down to 2.5V Low Operating IQ: 55 A One Channel On


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    PDF LTC3859 75kHz 850kHz) 50kHz 900kHz) LTC3835/LTC3835-1 140kHz 650kHz, 0A/80A LT3845 sanyo 50CE220LX 50CE220LX BSZ097NO4LS BSC027NO4LS CMDH-4E schematic diagram 12v 48v dc buck boost convert LTC3859EFE f105k f65k Thermal Shut Down Functioned MOSFET

    Untitled

    Abstract: No abstract text available
    Text: LTC3859A Low IQ, Triple Output, Buck/Buck/Boost Synchronous Controller with Improved Burst Mode Operation DESCRIPTION FEATURES n n n n n n n n n n n n n n n Dual Buck Plus Single Boost Synchronous Controllers Outputs Remain in Regulation Through Cold Crank


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    PDF LTC3859A 75kHz 850kHz) 50kHz 900kHz) 140kHz 650kHz, LTC3891 900kHz,

    Untitled

    Abstract: No abstract text available
    Text: LTC3835 Low IQ Synchronous Step-Down Controller DESCRIPTION FEATURES n n n n n n n n n n n n n n n n n Wide Output Voltage Range: 0.8V ≤ VOUT ≤ 10V Low Operating Quiescent Current: 80µA OPTI-LOOP Compensation Minimizes COUT ±1% Output Voltage Accuracy


    Original
    PDF LTC3835 140kHz 650kHz 400kHz QFN-12 250kHz 750kHz, MSOP-16E, QFN-16, SSOP-16

    LTC3857GN-1

    Abstract: No abstract text available
    Text: LTC3857-1 Low IQ, Dual, 2-Phase Synchronous Step-Down Controller DESCRIPTION FEATURES n n n n n n n n n n n n n n n n n The LTC 3857-1 is a high performance dual step-down switching regulator controller that drives all N-channel synchronous power MOSFET stages. A constant frequency


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    PDF LTC3857-1 850kHz. 50kHz 900kHz, 140kHz 650kHz, 100kHz LTC3857GN-1

    Untitled

    Abstract: No abstract text available
    Text: LTC3890 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller DESCRIPTION FEATURES n n n n n n n n n n n n n n n n n The LTC 3890 is a high performance dual step-down switching regulator DC/DC controller that drives all N-channel synchronous power MOSFET stages. A constant


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    PDF LTC3890 850kHz. 140kHz 650kHz, LTC3810 93VIN, SSOP-28 LTC3859A 3890fb