AT5160 Datasheet. Www.s Manuals.com. Gmt

User Manual: Marking of electronic components, SMD Codes 51, 51**, 51***, 5103, 51031, 5108, 51117, 51123, 51123A, 51125, 5121*, 51216, 51219, 5121M, 51225, 5160x, 51716, 5173, 5193, 5198NL, 5199NL, 51A, 51AC30B, 51AC33, 51AC33B, 51Y. Datasheets 1.5SMC51AT3, AT5160TP1U, BZV49-C51, CS51031, FX011Z, G5108RDU, G5111T11, G5121TB1U, G5173R41U, G5193R41U, KB4312B-GRE, LP2951ACSDX-3.3, LP2951CSD-3.0, LP2951CSD-3.3, MM5Z2V7, MTP5103N3, PJ5121EMR, PJ5121EQFN, SST5198NL, SST5199NL, TPS51117PW, TPS51117RGY, TPS51123ARGER, TPS51123

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Global Mixed-mode Technology Inc.

AT5160

High Efficiency, Constant Current 40V White-LEDs
Driver
Feature

Description

„

The AT5160 step-up converter drives white LEDs with a
constant current to provide backlight in cell phones,
PDAs, and other hand-held devices. It features allowing
series connection of the white LEDs so that the LED
currents are identical for uniform brightness. An enable
input can be pulsed repeatedly to adjust LED’s
brightness. The fast 1.0MHz current-mode PWM control
allows for smaller capacitor and inductor. Fault condition
protection uses cycle-by-cycle current limiting to sense
maximum inductor current, thermal protection and
over-voltage protection. Also included soft-start eliminates
inrush current during start-up. The 0.2V low reference
voltage minimized the power loss across the
current-setting resistor.

„
„
„
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„
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„
„

Operating Voltage: 2.5V to 5.5V.
High Operating Frequency: 1MHz
High Output Voltage: Up to 40V(Typ.)
Digital Dimming Control.
Built-in Cycle-by Cycle Current-Limiting.
Built-in Soft-Start Function.
0.2V Low Reference Voltage
Thermal Overload Protection
TSOT-23-6 Package

Application
„
„
„
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GPS Navigation System
Compact Back Light Module
Constant Current Source
LED Module

The AT5160 is available in TSOT-23-6 packages.

Ordering Information
ORDER
NUMBER

MARKING

TEMP.
RANGE

PACKAGE
(Green)

AT5160TP1U

5160x

-40°C to 85°C

TSOT-23-6

Note: TP: TSOT-23-6
1: Bonding Code
U: Tape & Reel

Pin Configuration

Typical Application Circuit
※ Use the tantalum capacitor to eliminate inductor noise on
output terminal when you want to control dimming function.

AT5160
LX

1

6 VIN

GND

2

5

FB

3

4 EN

OVP

TSOT-23-6

TEL: 886-3-5788833
http://www.gmt.com.tw

Ver: 0.3
Sep 16, 2009

1

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