STR2W152D Datasheet, PDF (6/9 Pages) Sanken electric – Current Mode Control PWM Regulator ICs For Switching Power Supplies

STR2W152D and
STR2W153D
Current Mode Control PWM Regulator ICs
For Switching Power Supplies
Functional Block Diagram
VCC
4
UVLO
Reg
V_REG
OVP
Startup
TSD
D/ST
1
NC
7
PWM
Oscillator
SQ
R
OCP
DRV
V_CC
FB/OLP
6
OLP
Slope
compensation
Drain peak current
compensation
Feedback
control
LEB
3
S/OCP
GND ₅
Pin-out Diagram
D/ST
1
S/OCP
VCC
GND
FB/OLP
NC
3
4
5
6
7
STR2W100D Pin List Table
Number Name
Function
1
D/ST MOSFET drain pin and input of the startup current
3
S/OCP MOSFET source and input of Overcurrent Protection (OCP) signal
4
VCC
Power supply voltage input for Control Part and input of Overvoltage
Protection (OVP) signal
5
GND Ground
6
FB/OLP
Feedback signal input for constant voltage control signal and input of
Overload Protection (OLP) signal
7
NC No connection
STR2W100D-DS
SANKEN ELECTRIC CO., LTD.
6
May 14, 2012