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LT1936

Features: Wide Input Range: 3.6V to 36VShort-Circuit Protected Over Full Input Range1.9A Guaranteed Minimum Switch Current5V at 1.4A from 10V to 36V Input3.3V at 1.4A from 7V to 36V Input5V at 1.2A from 6.3V to 36V Input3.3V at 1.2A from 4.5V to 36V InputOutput Adjustable Down to 1.20V500kHz Fixed...

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SeekIC No. : 004400919 Detail

LT1936: Features: Wide Input Range: 3.6V to 36VShort-Circuit Protected Over Full Input Range1.9A Guaranteed Minimum Switch Current5V at 1.4A from 10V to 36V Input3.3V at 1.4A from 7V to 36V Input5V at 1.2A ...

LT1936 Data Sheet

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Part Number:
LT1936
Supply Ability:
5000

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  • 1~5000
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  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Wide Input Range: 3.6V to 36V
Short-Circuit Protected Over Full Input Range
1.9A Guaranteed Minimum Switch Current
5V at 1.4A from 10V to 36V Input
3.3V at 1.4A from 7V to 36V Input
5V at 1.2A from 6.3V to 36V Input
3.3V at 1.2A from 4.5V to 36V Input
Output Adjustable Down to 1.20V
500kHz Fixed Frequency Operation
Soft-Start
Uses Small Ceramic Capacitors
Internal or External Compensation
Low Shutdown Current: <2µA
Thermally Enhanced 8-Lead MSOP Package


Application

Automotive Battery Regulation
Industrial Control Supplies
Unregulated Wall Adapters


Pinout

Connection Diagram


Specifications

VIN Voltage.................................................. 0.4V to 36V
BOOST Voltage.............................................................43V
BOOST Above SW Voltage............................................20V
SHDN Voltage........................................... ....0.4V to 36V
FB, VC, COMP Voltage.....................................................6V
Operating Temperature Range (Note 2)
LT1936E...................................................40°C to 85°C
LT1936I..................................................40°C to 125°C
LT1936H.................................................40°C to 150°C
Maximum Junction Temperature
LT1936E, LT1936I....................................................125°C
LT1936H..................................................................150°C
Storage Temperature Range..................65°C to 150°C
Lead Temperature (Soldering, 10 sec).....................300°C


Description

The LT®1936 is a current mode PWM step-down DC/DC converter with an internal 1.9A power switch, packaged in a tiny, thermally enhanced 8-lead MSOP. The wide input range of 3.6V to 36V makes the LT1936 suitable for regulating power from a wide variety of sources, including automotive batteries, 24V industrial supplies and unregu-lated wall adapters. Its high operating frequency allows the use of small, low cost inductors and ceramic capaci-tors, resulting in low, predictable output ripple.

Cycle-by-cycle current limit, frequency foldback and ther-mal shutdown of LT1936 provide protection against shorted outputs, and soft-start eliminates input current surge during start-up. Transient response can be optimized by using external compensation components, or board space can be mini-mized by using internal compensation. The low current(<2µA) shutdown mode enables easy power managementin battery-powered systems.




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