BD3523HFN, BD35230HFN, BD35231HFN
Technical Note
9/20
www.rohm.com
2009.04 - Rev.B
© 2009 ROHM Co., Ltd. All rights reserved.
●Pin Layout
●Pin Function Table
PIN No. PIN name PIN Function PIN No. PIN name PIN Function
1 VCC Power Supply Pin 1 VCC Power Supply Pin
2 EN Enable Input Pin 2 EN Enable Input Pin
3 NRCS
In-rush Current Protection (NRCS)
Capacitor Connection Pin
3 NRCS
In-rush Current Protection (NRCS)
Capacitor Connection Pin
4 VIN Input Voltage Pin 4 VIN Input Voltage Pin
5 VO Output Voltage Pin 5 VO Output Voltage Pin
6 VO Output Voltage Pin 6 VOS Output Voltage Control Pin
7 FB Reference Voltage Feedback Pin 7 FB Reference Voltage Feedback Pin
8 GND Ground Pin 8 GND Ground Pin
- FIN Connected to heatsink and GND - FIN Connected to heatsink and GND
BD3523HFN BD35230HFN/BD35231HFN
GND
FB
6
Vcc
EN
NRCS
VIN
4
3
2
1
FIN
Vo
5
6
7
8
V
o
GND
FB
6
FIN
Vos
5
6
7
8
V
o
Vcc
EN
NRCS
V
IN
4
3
2
1
BD3523HFN BD35230HFN/BD35231HFN