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ADI LTC1435AIS#TRPBF product image
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ADI LTC1435AIS#TRPBFRoHS

Manufacturer
ADI
MPN
LTC1435AIS#TRPBF
LCSC Part #
C675464
Packaging
SO-16
Customer #
Key Attributes
1 Adjustable 1.19V~9V Step-down type SO-16 DC DC Switching Controllers RoHS
Datasheetpdf iconADI LTC1435AIS#TRPBF
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QtyUnit Price(Reference Only)Total Amount
1+$ 9.9338$ 9.93
200+$ 3.8448$ 768.96
500+$ 3.7106$ 1855.30
1,000+$ 3.6426$ 3642.60
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers
ManufacturerADI
PackagingSO-16
Operating Temperature-40℃~+85℃@(TA)
Synchronous RectifierYes
Output Current-
FeaturesAdjustable current limiting;Adjustable soft-start;Output voltage differential sensing;Built-in LDO regulator
Number of Channels1
TopologyBuck
Frequency - Switching400kHz
Operating Voltage3.5V~30V
Output TypeAdjustable
Output Voltage1.19V~9V
FunctionStep-down type
Quiescent Current16uA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

The LTC1435A is a synchronous step-down switching regulator controller that drives external N-channel power MOSFETs using a fixed frequency architecture. A wide duty cycle range of 5% to 99% allows high VIN to low VOUT DC/DC conversion, as well as low dropout operation that extends operating time in battery-operated systems. Burst Mode operation provides high efficiency at low load currents. The operating frequency is set by an external capacitor allowing maximum flexibility in optimizing efficiency. A secondary winding feedback control pin, SFB, guarantees regulation regardless of load on the main output by forcing continuous operation. Burst Mode operation is inhibited when the SFB pin is pulled low, which reduces noise and RF interference. Soft start is provided by an external capacitor that can be used to properly sequence supplies. The operating current level is user-programmable via an external current sense resistor. Wide input supply range allows operation from 3.5V to 30V (36V maximum).

Features

AI Translation
  • Dual N-Channel MOSFET Synchronous Drive
  • Programmable Fixed Frequency
  • Wide VIN Range: 3.5V to 36V Operation
  • Low Minimum On-Time (≤300ns) for High Frequency, Low Duty Cycle Applications
  • Very Low Dropout Operation: 99% Duty Cycle
  • Low Standby Current
  • Secondary Feedback Control
  • Programmable Soft Start
  • Remote Output Voltage Sense
  • Logic Controlled Micropower Shutdown: IΩ < 25μA
  • Foldback Current Limiting (Optional)
  • Current Mode Operation for Excellent Line and Load Transient Response
  • Output Voltages from 1.19V to 9V
  • Available in 16-Lead Narrow SO and SSOP Packages

Applications

AI Translation
  • Notebook and Palmtop Computers, PDAs
  • Cellular Telephones and Wireless Modems
  • Portable Instruments
  • Battery-Operated Devices
  • DC Power Distribution Systems