R1280D002C - 2CH PWM DC/DC CONTROLLER

Product Overview

RICOH

Datasheet Details

Part number	R1280D002C
Manufacturer	RICOH
File Size	2.02 MB
Description	2CH PWM DC/DC CONTROLLER
Datasheet	R1280D002C Datasheet
Note	This datasheet PDF includes multiple part numbers: R1280D002C, R1280D002A. Please refer to the document for exact specifications by model.
Additional preview pages of the R1280D002C datasheet.

Product details

Description

R1280D002A/C Pin No 1 2 Symbol EXT1 GND 3 AMPOUT1 4 DTC1 5 VFB1 6 VFB2 7 DTC2 8 Vrefout 9 VIN 10 EXT2 R1280D002B Pin No 1 2 3 4 5 6 7 8 9 10 Symbol EXT1 GND CE DTC1 VFB1 VFB2 DTC2 Vrefout VIN EXT2 Description External Transistor of Channel 1 Drive Pin (CMOS Output) Ground Pin Amplifier Output Pin of Channel 1 Maximum Duty Cycle of Channel 1 Setting Pin Feedback pin of Channel 1 Feedback pin of Channel 2 Maximum Duty Cycle of Channel 2 Setting Pin Referen

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 (R1280D002A,B)/200kHz (R1280D002C).
Maximum Duty Cycle Typ. 90% (Only applied to R1280D002B Series).
High Reference Voltage Accuracy ±1.5%.
U. V. L. O. ThresholdTyp. 2.2V (Hysteresis: Typ. 0.1V).
Small Package thin SON-10 (package thickness Max. 0.9mm).

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Published: Oct 20, 2025 |