R1215D - PWM Step-up DC/DC Controller

Nisshinbo

R1215D Datasheet Preview — Preview of R1215D PDF

Datasheet Details

Part number	R1215D
Manufacturer	Nisshinbo
File Size	1.15 MB
Description	PWM Step-up DC/DC Controller
Datasheet	R1215D-Nisshinbo.pdf

R1215D Product details

Description

Pin Description Pin No Symbol Description 1 EXT External FET Drive Pin (CMOS Output) 2 GND Ground Pin 3 DTC Pin for Setting Maximum Duty Cycle and Soft start time 4 DELAY Pin for External Capacitor (for Setting Output Delay of Protection) 5 VFB Feedback Pin for Monitoring Output Voltage 6 VREFOUT Reference Voltage Output Pin 7 AMPOUT Amplifier Output Pin 8 VIN Power Supply Pin for the IC ∗ Tab suspension leads in the parts have GND level.(They are connected to the re

Features

Input Voltage Range 1.8 V to 5.5 V.
Two Options of Basic Oscillator Frequency Typ. 700 kHz, 1.4 MHz.
Built-in Latch-type Protection Function (Output Delay Time can be set with an external capacitor).
Maximum Duty Cycle/Soft-start time Adjustable with external capacitors.
High Reference Voltage Accuracy ±1.5%.
UVLO Threshold level Typ. 1.6 V/ 1.79 V by mask option.
Small Temperature Coefficient of Reference Voltage Typ. ±150 pp.

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Published: Oct 22, 2025 |