SAMSUNGELECTRO-MECHANICS
Halfbridge Inverter Driver IC (SEM2005)
FEATURES
- High Frequency Voltage Mode PWM Control
- Latched Mode Protection
- Totem Pole Output
- Built-in Low Frequency PWM Generator
- Built-in UVLO function- Adjustable Shut-down time
- Easy Burst Dimming Control
- Variable Protection function
PIN DESCRIPTION
Pin No Symbol I/O Description
1 SDT I Shut Down Timing apacitor 03 07}
2 OVP I Over Voltage Detection Input
3 OLP I Open Lamp Detection Input
4 FB I Error Amplifiers] Inverting Input
5 ERO O Error Amplifiers] Output
6 SGND I/O Signal Ground
7 PGND I/O Power Ground
8 NOUT O N-type MOSFET Driver Output
9 POUT O P-type MOSFET Driver Output
10 VCC I Power Supply
11 EN I On/Off Control Er Ir
12 CT I/O Oscillator Timing Capacitor 03 07}
13 BCT I/O Burst Dimming® OSC Timing Cap. 03 07}
14 BDIM I Burst Dimming Input
15 RT I Oscillator Timing Resistor 0307}
16 Vref o 5V/10mA Reference Voltage Output