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LTC1436A Datasheet - Linear

LTC1436A Datasheet PDF Linear Technology

Part Name
LTC1436A

Other PDF
  not available.

PDF

page
28 Pages

File Size
447.6 kB

MFG CO.
Linear
Linear Technology GO URL

DESCRIPTION
The LTC®1436A/LTC1437A are synchronous step-down switching regulator controllers that drive external N-channel power MOSFETs in a phase lockable, fixed frequency architecture. The Adaptive PowerTM output stage selectively drives two N-channel MOSFETs at frequencies up to 400kHz while reducing switching losses to maintain high efficiencies at low output currents.

FEATURES
■ Maintains Constant Frequency at Low Output Currents
■ Dual N-Channel MOSFET Synchronous Drive
■ Programmable Fixed Frequency (PLL Lockable)
■ 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 Dropout, 0.5A Linear Regulator for CPU I/O or Low Noise Audio Supplies
■ Built-In Power-On Reset Timer
■ Programmable Soft Start
■ Low-Battery Detector
■ Remote Output Voltage Sense
■ Foldback Current Limiting (Optional)
■ Pin Selectable Output Voltage
■ Logic Controlled Micropower Shutdown: IQ < 25µA
■ Output Voltages from 1.19V to 9V
■ Available in 24-Lead Narrow SSOP and 28-Lead SSOP Packages

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

Page Link's: 1  2  3  4  5  6  7  8  9  10  More Pages 

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