SM8120A - White LED Driver

Nippon Precision Circuits Inc

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Datasheet Details

Part number	SM8120A
Manufacturer	Nippon Precision Circuits Inc
File Size	201.93 KB
Description	White LED Driver
Datasheet	SM8120A_NipponPrecisionCircuitsInc.pdf

SM8120A Product details

Description

Number 1 2 3 4 5 Name VDD VSS SW FB CE I/O O I Ip1 Power supply GND Coil switching Feed back (Output current detection) Chip enable (High active) Description 1. Input with built-in pull-down resistor NIPPON PRECISION CIRCUITS INC. 2 SM8120A SPECIFICATIONS Absolute Maximum Ratings Parameter Supply voltage range Input voltage range SW output voltage range SW input current Power dissipation Operating temperature range Storage temperature range Symbol VDD VIN VSW ISW

Features

I I PINOUT (Top view) I I I I I I I I I I I I Boost-up control using PFM White LED of 2-4 lights (connected in series) lighted Output current value can be set by external resistors (51Ω: 9.8mA, 33Ω: 15.2mA, 24Ω: 20.8mA) Brightness adjustable by control to FB pin or CE pin Current variation among LED decreased by high precision High efﬁcient drive by step-up model Supply voltage range: 2.4 to 5.5V Maximum output voltage: 24V Quiescent current: 80µA (typ) Standby current: 1.0µA (max) RON (Sw.

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Published: Apr 7, 2005 |