L5100G-AF5-R UTC [Unisonic Technologies], L5100G-AF5-R Datasheet

L5100G-AF5-R

Manufacturer Part Number

L5100G-AF5-R

Description

WHITE LED STEP-UP CONVERTER

Manufacturer

UTC [Unisonic Technologies]

Datasheet

1.L5100G-AF5-R.pdf (7 pages)

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L5100

WHITE LED STEP-UP

CONVERTER

for driving white LEDs with a constant current. It can drive several LEDs

in series by a Li-Ion cell. UTC L5100 switches at a high frequency

1.2MHz, so it can allow the use of tiny external components. The output

capacitor can be as small as 0.22μF; saving space and cost compare

with alternative other solutions. The low 95mV feedback voltage

minimizes power loss in the current setting resistor can have better

efficiency.

* Inherently Matched LED Current

* High Efficiency: 83% Typical

* Drives Up to Four LEDs from a 3.2V Supply

* Drives Up to Six LEDs from a 5V Supply

* 36V Rugged Bipolar Switch

* 1.2MHz Switching Frequency

* Uses Tiny 1mm Tall Inductors

* Output Capacitor can be Small to only 0.22μF

www.unisonic.com.tw

The UTC L5100 is a STEP-UP DC/DC Converter and

ORDERING INFORMATION

DESCRIPTION

FEATURES

MARKING

Ordering Number

L5100G-AF5-R

UNISONIC TECHNOLOGIES CO., LTD

Package

SOT-25

Tape Reel

Packing

designed

LINEAR INTEGRATED CIRCUIT

QW-R103-024.C

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L5100G-AF5-R Summary of contents

Page 1

... Drives Up to Six LEDs from a 5V Supply * 36V Rugged Bipolar Switch * 1.2MHz Switching Frequency * Uses Tiny 1mm Tall Inductors * Output Capacitor can be Small to only 0.22μF ORDERING INFORMATION Ordering Number L5100G-AF5-R MARKING www.unisonic.com.tw Copyright © 2010 Unisonic Technologies Co., LTD LINEAR INTEGRATED CIRCUIT designed Package ...

Page 2

L5100 PIN CONFIGURATION PIN DESCRIPTION PIN NO. PIN NAME 1 SW Switch. Connect inductor/diode here. Minimize trace area at this pin to reduce EMI. 2 GND Ground. Connect directly to local ground plane. Feedback. Reference voltage is 95mV. Connect cathode ...

Page 3

L5100 BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LINEAR INTEGRATED CIRCUIT QW-R103-024 ...

Page 4

L5100 ABSOLUTE MAXIMUM RATINGS PARAMETER Input Voltage Switch Voltage Feedback Voltage Shutdown Voltage Junction Temperature Operating Junction Temperature Storage Temperature Range Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are ...

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L5100G-AF5-R datasheet download

L5100G-AF5-R UTC [Unisonic Technologies], L5100G-AF5-R Datasheet

L5100G-AF5-R

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L5100G-AF5-R Summary of contents

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