TN5D51A Sanyo Semiconductor Corporation, TN5D51A Datasheet - Page 3

• Manufacturer Part Number: TN5D51A
• Description: Separately-excited Step-down Switching Regulator 12v Output Type
• Manufacturer: Sanyo Semiconductor Corporation

Block Diagram
Pin Functions
Application Circuit Example
Pin No.
1
2
3
4
5
GND
V IN
SS
SW OUT
Symbol
GND
V IN
SS
FB
1
5
2
GND
V IN
SOFTSTART
Power Supply Input (Maximum 57V)
GND
Pulse Voltage Output
Feedback from Output Voltage
For Soft Start Capacitor Connection and Standby Mode Switching
+
Voltage
Protect
Under
Band Gap
1
5
2
Temperature
V IN
SS
GND
Protect
Over
OSC
Function
+
--
TN5D51A
SW OUT
AMP
Over Current
FB
Protect
3
4
+
--
COMP
OUTPUT
SENSE
+
Pch MOSFET
V OUT
GND
3
4
No. A1031-3/11
SW OUT
FB