R1212D PWM Step-up DC/DC Controller

Nisshinbo

Description

R1212D Series PWM Step-up DC/DC Controller NO.EA-109-220608 OUTLINE The R1212D is a CMOS-based PWM step-up DC/DC controller with low supply current.
Pin Description Pin No 1 2 3 4 5 6 7 8 Symbol EXT GND DTC DELAY VFB VREFOUT AMPOUT VIN Description External FET Drive Pin (CMOS Output) Ground Pin.

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R1212D Datasheet Preview — Preview of R1212D PDF

Datasheet Specifications

Part number: R1212D
Manufacturer: Nisshinbo
File Size: 3.92 MB
Datasheet: R1212D-Nisshinbo.pdf
Description: PWM Step-up DC/DC Controller

Features

* Input Voltage Range 2.2 V to 5.5 V
* Built-in Latch-type Protection Function (Output Delay Time can be set with an external capacitor)
* Two Options of Basic Oscillator Frequency 700 kHz, 1.4 MHz, 300 kHz
* Maximum Duty Cycle/Soft-start time Adjustable with extern

Applications

* Constant Voltage Power Source for portable equipment
* Constant Voltage Power Source for LCD and CCD 1 BLOCK DIAGRAM R1212D NO. EA-109-220608 VREFOUT DTC VFB AMPOUT Internal VR VREFOUT Oscillator UVLO PWM Comp. VREF Er. Amp. Latch DELAY R1212D Block Diagram VIN EXT GND 2

R1212D Distributors

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R1212D PWM Step-up Controller Nisshinbo

Nisshinbo R1212D-like datasheet