SM8122A - White LED Driver

NPC

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Datasheet Details

Part number	SM8122A
Manufacturer	NPC
File Size	187.35 KB
Description	White LED Driver
Datasheet	SM8122A_NPC.pdf

SM8122A Product details

Description

Number Name SOT23-6W 1 2 3 4 5 6 MSON-6 2 6 4 3 5 1 SW VOUT FB CE VSS VDD O I I Ip1 Coil switching Output voltage detection Feed back (Output current detection) Chip enable (High active) GND Power supply I/O Description 1. Input with built-in pull-down resistor NIPPON PRECISION CIRCUITS INC. 3 SM8122A SPECIFICATIONS Absolute Maximum Ratings Parameter Supply voltage range Input voltage range SW output voltage range SW input current Power dissipation Operating tempe

Features

I I PINOUT (Top view) I I I I I I I I I I I I I I Boost-up control using PWM 2 to 6 lights of white LED (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 Over voltage protection circuit built-in Supply voltage range: 2.3 to 5.5V Maximum output voltage: 25V Quiescent current:.

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Published: Dec 4, 2006 |