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ADI LTC3835IUFD#PBF product image
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ADI LTC3835IUFD#PBF

Manufacturer
ADI
MPN
LTC3835IUFD#PBF
LCSC Part #
C686269
Packaging
QFN-20-EP(4x5)
Customer #
Key Attributes
1 800mV~10V Adjustable Step-down type QFN-20-EP(4x5) DC DC Switching Controllers RoHS
DatasheetADI LTC3835IUFD#PBF
RoHS Compliance1 documents available
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QtyUnit Price(Reference Only)Total Amount
1+$ 7.1787$ 7.18
200+$ 2.7783$ 555.66
500+$ 2.6811$ 1340.55
1,000+$ 2.6332$ 2633.20
Standard Packaging73/Full Tube
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers
ManufacturerADI
PackagingQFN-20-EP(4x5)
Synchronous RectifierYes
FeaturesAdjustable soft-start;Output voltage tracking;Overcurrent Protection;Operating status indication;Built-in LDO regulator;Light load efficient mode;Frequency synchronization
Number of Channels1
TopologyBuck
Operating Voltage4V~36V
Switch tube (built-in/external)External
Output Voltage800mV~10V
Operating Temperature-40℃~+85℃@(TA)
Output Current-
Frequency - Switching530kHz
Output TypeAdjustable
FunctionStep-down type
Quiescent Current80uA
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Introduction

AI Translation

LTC3835 is a high performance step-down switching regulator controller that drives an all N-channel synchronous power MOSFET stage. A constant frequency current mode architecture allows a phase-lockable frequency up to 650kHz. An 80µA no-load quiescent current extends battery-powered system operating life. OPTI-LOOP compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. The LTC3835 features a precision 0.8V reference and a power good output indicator. A 4V to 36V input supply range covers a wide variety of battery chemistries. The TRACK/SS pin ramps the output voltage during startup. Current foldback limits MOSFET power dissipation under short-circuit conditions.

Features

AI Translation
  • Wide output voltage range: 0.8V ≤ VOUT ≤ 10V
  • Low quiescent current: 80µA
  • OPTI-LOOP compensation minimizes COUT ±1% output voltage accuracy
  • Wide VIN range: 4V to 36V operation
  • Phase-lockable fixed frequency 140kHz to 650kHz
  • Dual N-channel MOSFET synchronous drive
  • Ultralow dropout operation: 99% duty cycle
  • Adjustable output voltage
  • Soft-start or tracking
  • Output current foldback limiting
  • Power good output
  • Voltage monitoring
  • Clock output for PolyPhase applications
  • Output overvoltage protection
  • Low shutdown IQ: 10µA
  • Internal LDO gate drive powered from VIN or VOUT
  • Selectable continuous, pulse skip, or burst mode operation at light load
  • Small 20-pin TSSOP or 4mm x 5mm QFN package

Applications

AI Translation
  • Automotive systems
  • Telecommunication systems
  • Battery-powered digital devices
  • Distributed DC power systems