TS19371CX6 datasheet(1/8 Pages) TSC

Part #	TS19371CX6

Description	Inherently Matched LED Current

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Manufacturer	TSC [Taiwan Semiconductor Company, Ltd]

Direct Link	http://www.taiwansemi.com

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TS19371CX6

Taiwan Semiconductor

1

Version: J1708

Boost (Step-up) WLED Driver with OVP

DESCRIPTION

The

TS19371

is

a

step-up

DC/DC

converter

specifically designed to drive white LEDs with a

constant current. The device can drive up to 126 LEDs

(9S14P) from a 12V supply. The output capacitor can

be as small as 4.7µF, saving space versus alternative

solutions. A low 95mV feedback voltage minimizes

power loss for better efficiency. Additional feature

include over output voltage limiting when LEDs are

disconnected. The TS19371 switches at a fixed

frequency of 1.2MHz, allowing the use of tiny, low

profile inductors and capacitors to minimize footprint

and cost in space consideration applications for

cellular

phone

backlighting

or

other

hand

held

equipment.

FEATURES

● Inherently Matched LED Current

● High Efficiency: 89% Typical

● Drives Up to 9 LEDs Series @ Vin 9~15V

● Drives Up to 126 LEDs (9S14P) @ Vin 12~15V

● Drives Up to 6 (1W) LEDs Series @ Vin 12V

● Over Output Voltage Protection 30V

● Fast 1.2MHz Switching Frequency

● Requires Only 4.7µF Output Capacitor

● PWM Dimming Control 1kHz to 10kHz

● Analog Dimming Control

● Compliant to RoHS Directive 2011/65/EU and in

accordance to WEEE 2002/96/EC.

● Halogen-Free according to IEC 61249-2-21

APPLICATION

● Cellular Phones

● Portable Electronics Devices PDA, GPS

● LCD Display Module

● White LED Backlighting

● MR-16 Lighting

SOT-26

Pin Definition:

1. SW

2. GND

3. FB

4. CTRL

5. OVP

6. VIN

Notes: MSL 1 (Moisture Sensitivity Level) per J-STD-020

TYPICAL APPLICATION CIRCUIT

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TS19371CX6 Datasheet(PDF) 1 Page - Taiwan Semiconductor Company, Ltd

TS19371CX6 Datasheet(HTML) 1 Page - Taiwan Semiconductor Company, Ltd

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