Product Summary

The LT1936 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 unregulated wall adapters. Its high operating frequency allows the use of small, low cost inductors and ceramic capacitors, resulting in low, predictable output ripple.

Cycle-by-cycle current limit, frequency foldback and thermal shutdown provide protection against shorted outputs, and soft-start eliminates input current surge during startup. Transient response can be optimized by using external compensation components, or board space can be minimized by using internal compensation. The low current (<2μA) shutdown mode enables easy power management in battery-powered systems.



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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

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LT1936EMS8E#TRPBF
LT1936EMS8E#TRPBF


IC REG BUCK ADJ 1.4A 8MSOP

Data Sheet

0-2500: $1.97
Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LT1904
LT1904

Other


Data Sheet

Negotiable 
LT1910ES8
LT1910ES8


IC MOSFET DRIVER HIGH-SIDE 8SOIC

Data Sheet

0-3100: $1.46
LT1910ES8#PBF
LT1910ES8#PBF


IC MOSFET DRIVER HIGH-SIDE 8SOIC

Data Sheet

0-1: $2.49
1-25: $1.77
25-100: $1.46
LT1910ES8#TR
LT1910ES8#TR


IC DRIVER MOSFET HI SIDE 8SOIC

Data Sheet

0-5000: $1.49
LT1910ES8#TRPBF
LT1910ES8#TRPBF


IC MOSFET DRIVER HIGH-SIDE 8SOIC

Data Sheet

0-2500: $1.49
LT1910IS8#PBF
LT1910IS8#PBF


IC MOSFET DRIVER HI-SIDE 8-SOIC

Data Sheet

0-1: $2.71
1-25: $1.82
25-100: $1.54