SGM3725 Datasheet, PDF (3/13 Pages) SG Micro Corp – 38V Step-Up LED Driver

SGM3725
PIN CONFIGURATION (TOP VIEW)
SGM3725
SW ¹
38V Step-Up LED Driver
6 VIN
GND 2
5 _VOUT
FB 3
4 CTRL
TSOT-23-6
PIN DESCRIPTION
PIN NAME
FUNCTION
1
SW Converter Switching Node.
2
GND Ground.
3
FB Output Feedback Pin Regulated at 200mV.
4
CTRL
Control Pin of the Boost Regulator. Can be used to enable/disable the IC, as well as to
program the output current at 32 levels.
5 VOUT Output and Over-Voltage Protection Pin.
6
VIN IC Supply. Connect VIN to a supply voltage between 2.7V and 5.5V.
TYPICAL APPLICATION
Input Range
2.7V~5.5V
C_IN
1kΩ
Brightness control
L
D1
6
1
VIN
SW
VOUT ⁵
4
SGM3725
CTRL
FB
3
GND
2
Up to 38V Output
C_OUT
White LEDs
Up to 10 in series
Or up to 10S4P
R_SET
3
SG Micro Corp
www.sg-micro.com