Low

LT1108CS8-5#PBF - 

Buck, Boost Switching Regulator, Fixed, 2V-30V In, 5V And 800mA Out, SOIC-8

LINEAR TECHNOLOGY LT1108CS8-5#PBF

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Manufacturer Part No:
LT1108CS8-5#PBF
Order Code:
1273676
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT1108CS8-5#PBF is a versatile micropower DC/DC Converter requires only four external components to deliver a fixed output of 5 or 12V. Supply voltage ranges from 2 to 12V in step-up mode and to 30V in step-down mode. The LT1108 functions equally well in step-up, step-down or inverting applications. The LT1108 is pin-for-pin compatible with the LT1173, but has a duty cycle of 70%, resulting in increased output current in many applications. It can deliver 150mA at 5V from a 2 AA cell input and 5V at 300mA from 9V in step-down mode. Quiescent current is just 110µA, making the LT1108 ideal for power conscious battery operated systems. Switch current limit can be programmed with a single resistor. An auxiliary gain block can be configured as a low battery detector, linear post regulator, undervoltage lockout circuit or error amplifier.
  • Works in step-up or step-down mode
  • Only three external components required
  • Low-battery detector comparator on-chip
  • User adjustable current limit

Applications

Computers & Computer Peripherals, Communications & Networking, Portable Devices, Power Management

Product Information

:
Buck, Boost
:
2V
:
30V
:
SOIC
:
8Pins
:
800mA
:
5V
:
25kHz
:
70°C
:
Cut Tape
:
-
:
-
:
MSL 1 - Unlimited
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