Datasheet TSCR400CX6, TSCR402CX6 (Taiwan Semiconductor)

TSCR400CX6 / TSCR402CX6
Taiwan Semiconductor
Linear Constant Current Regulated LED Driver DESCRIPTION FEATURES
The TSCR400 & TSCR402 are High-Side Constant ● LED drive current preset: Current Regulator (CCR) for linear LED driving. The ● TSCR400CX6: 0.1mA device regulates with a preset TSCR400 0.1mA and ● TSCR402CX6: 20mA TSCR402 20mA nominal that can be adjusted with an ● Continuous output current up to 65mA with an external resistor up to 65mA. It is designed for driving external resistor LEDs in strings and will reduce current at increasing ● Easy paralleling of drivers to increase current temperatures to self-protect. Operating as a series ● Supply voltage up to 40V linear CCR for LED string current control, it can be ● Good temperature coefficient vs. output current used in multiple applications, as long as the maximum ● Compliant to RoHS Directive 2011/65/EU and in supply voltage to the device is <40V. accordance to WEEE 2002/96/EC. The output current at higher temperatures is the result ● Halogen-Free according to IEC 61249-2-21 of the negative temperature coefficient of -0.07%/°C of
APPLICATION
the LED driver. ● Automotive Interior Lighting ● Architectural LED lighting ● Signage, Advertising, Decorative Lighting ● Retail Lighting in Fridges, Freezer Cases and Vending Machines ● Emergency lighting (e.g. steps lighting, exit way signs etc.)
SOT-26 Pin Definition:
1. GND 6. REXT 2. OUT 5. OUT 3. OUT 4. VS
Notes:
MSL 1 (Moisture Sensitivity Level) per J-STD-020
TYPICAL APPLICATION CIRCUIT
Vs Supply Vref RINT (Optional) REXT VBG Regulator TSCR400 GND OUT TSCR402 LED String 1 Version: B1708