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SM8120A - White LED Driver

General Description

Number 1 2 3 4 5 Name VDD VSS SW FB CE I/O

1.

NIPPON PRECISION CIRCUITS INC.

2 SM8120A SPECIFICATIONS Absolute Max

Key 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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Datasheet Details

Part number SM8120A
Manufacturer Nippon Precision Circuits Inc
File Size 201.93 KB
Description White LED Driver
Datasheet download datasheet SM8120A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SM8120A White LED Driver IC OVERVIEW The SM8120A is a high efficiency step-up DC/DC converter. Due to high voltage CMOS process realizing 24V output supply as maximum value, white LED of 2–4 lights connected in series can be lighted. By connecting in series, current variation among LED is eliminated. Current value sent to white LED can be set by external resistors. In addition, brightness can also be adjusted by control to FB pin or CE pin. 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.