SGM3725 Datasheet, PDF (7/13 Pages) SG Micro Corp – 38V Step-Up LED Driver

SGM3725
FUNCTION BLOCK DIAGRAM
VIN
SGM3725
Oscillator
V_IN
Ramp
Generator
38V Step-Up LED Driver
VOUT
SW
Over-Voltage
Protection
Thermal
Shutdown
FB
LED Current
Control
Current
Sense
Gm
V_REF
COMP
PWM Control
and
Gate Drive
CTRL
Input Logic
and DAC
500kΩ
Pull-Low Resistor
Voltage
Reference
and
Dimming
Control
Current
Limit
Current
Sense
GND
7
SG Micro Corp
www.sg-micro.com