Low

LT1931ES5#TRMPBF - 

DC-DC Switching Inverting Regulator, Adjustable, 2.6V-16V in, 1A out, 1.2MHz, TSOT-23-5

LT1931ES5#TRMPBF - DC-DC Switching Inverting Regulator, Adjustable, 2.6V-16V in, 1A out, 1.2MHz, TSOT-23-5

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
LT1931ES5#TRMPBF
Order Code:
1663807
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT1931ES5#TRMPBF is a 1.2MHz inverting DC/DC Converter with an internal 1A switch allowing high current outputs to be generated in a small footprint. The LT1931 switches at 1.2MHz. This high speed enables the use of tiny, low cost capacitors and inductors 2mm or less in height. The LT1931 is capable of generating -5V at 350mA or -12V at 150mA from a 5V supply. Both parts are easy pin-for-pin upgrades for higher power LT1611 applications. The LT1931 operates in a dual inductor inverting topology that filters both the input side and output side current. Very low output voltage ripple approaching 1mVP-P can be achieved when ceramic output capacitors are used. Fixed frequency switching ensures a clean output free from low frequency noise typically present with charge pump solutions. The low impedance output remains within 1% of nominal during large load steps. The 36V switch allows VIN to VOUT differential of up to 34V.
  • Fixed frequency 1.2MHz operation
  • Very low noise (1mVP-P output ripple)
  • Uses small surface mount components
  • Low shutdown current (<1µA)
  • Low VCESAT switch (400mV at 1A)
  • Pin-for-pin compatible with the LT1611

Applications

Computers & Computer Peripherals, Imaging, Video & Vision, Multimedia, Consumer Electronics, Signal Processing, Power Management

Product Information

:
Inverting
:
2.6V
:
16V
:
1Outputs
:
TSOT-23
:
5Pins
:
1A
:
-34V
:
-
:
1.2MHz
:
85°C
:
Cut Tape
:
-
:
-
:
MSL 1 - Unlimited
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