BD9132MUV_12 Datasheet, PDF (2/20 Pages) Rohm – 2.7V to 5.5V, 3.0A 1ch Synchronous Buck Converter integrated FET

BD9132MUV
●Pin Configuration
(TOP VIEW)
N.C.
ADJ
ITH ^GND
15 14 13 12 11
Datasheet
N.C. 16
EN 17
18
PGND 19
20
10 VCC
9 BST
8
7 ^PVCC
6
1 23 4 5
SW
Fig.2 Pin Configuration
●Pin Description
Pin
Pin
Pin
Function
No. name
No.
1
SW SW pin
11
2
SW SW pin
12
3
SW SW pin
13
4
SW SW pin
14
5
SW SW pin
15
6 PVCC Highside FET source pin
16
7 PVCC Highside FET source pin
17
8 PVCC Highside FET source pin
18
9
BST Bootstrapped voltage input pin
19
10 VCC VCC power supply input pin
20
●Block Diagram
Pin
name
GND
ADJ
ITH
N.C.
N.C.
N.C.
EN
PGND
PGND
PGND
Function
Ground
Output voltage detect pin
GmAmp output pin/Connected phase
compensation capacitor
Non Connection
Non Connection
Non Connection
Enable pin(High Active）
Lowside FET source pin
Lowside source pin
Lowside source pin
www.rohm.com
© ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥15ï½¥001
Fig.3 Block Diagram
2/18
TSZ02201-0J3J0AJ00140-1-2
02.MAR.2012 Rev.001