R1282D002A 2CH PWM DC/DC CONTROLLER

RICOH electronics devices division

Description

www.DataSheet4U.com 2CH PWM DC/DC CONTROLLER R1282D002A SERIES OUTLINE NO.EA-086-0502 The R1282D002A is a CMOS-based 2-channel PWM Step-up (as Ch.
Pin No 1 2 3 4 5 6 7 8 9 10 Symbol EXT1 GND AMPOUT1 DTC1 VFB1 VFB2 DTC2 Vrefout VIN EXT2 Ground Pin Amplifier Output Pin of Channel 1 Maximum Duty Cyc.

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Datasheet Specifications

Part number: R1282D002A
Manufacturer: RICOH electronics devices division
File Size: 362.16 KB
Datasheet: R1282D002A_RICOHelectronicsdevicesdivision.pdf
Description: 2CH PWM DC/DC CONTROLLER

Features

* Input Voltage Range 2.5V to 5.5V Built-in Latch-type Protection Function by monitoring duty cycle (Fixed Delay Time Typ. 100ms) Oscillator Frequency 700kHz High Accuracy Voltage Reference ±1.5% U. V. L. O. ThresholdTyp. 2.2V (Hysteresis: Typ.

Applications

* Constant Voltage Power Source for Portable Equipment.
* Constant Voltage Power Source for LCD and CCD. 1 www. DataSheet4U. com R1282D002A BLOCK DIAGRAM DTC1 VFB1 OSC EXT1 AMPOUT1 CH1 Vref1 VIN GND Vrefout Vrefout UVLO VFB2 Vref2 EXT2 Latch Delay Circuit CH2 DTC2 SELE

R1282D002A Distributors

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R1282D002A 2CH PWM CONTROLLER RICOH electronics devices division

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