WLED Backlight Driver -- 22” LED Monitor 11S6P WLED

WLED Backlight Driver -- 22” LED Monitor
11S6P WLED Backlight Driver
HT7953
Characteristics
 Integrated power MOSFET
 Allowable maximum input voltage : 26V
 Output voltage up to 40V driving 11 Series LEDs
 Channel phase shift PWM dimming to minimise the input, output ripple
characteristics and load transients
 Switching frequency : 500kHz / 1MHz
 6 String constant current outputs with ±1.5% current matching
 LED current adjustable up to 80mA
 Soft start function
 Protection : LED open / short failure detection, OTP, OVP, UVLO,
LX current limit
Front Side
Back side
All-in-One Solution by Holtek
Original Solution by Dell
Application Circuit