BD9132MUV_14 Datasheet, PDF (2/26 Pages) Rohm – Synchronous Buck Converter with Integrated FET

BD9132MUV
Pin Configuration
(TOP VIEW)
N.C.
ADJ
ITH ^GND
15 14 13 12 11
N.C. 16
EN 17
18
PGND 19
20
10 VCC
9 BST
8
7 ^PVCC
6
1 23 4 5
SW
Figure 2. Pin Configuration
Pin Description
Pin
Pin
Pin
Function
No. name
No.
1
SW Power switch node
11
2
SW Power switch node
12
3
SW Power switch node
13
4
SW Power switch node
14
5
SW Power switch node
15
6 PVCC Power switch supply pin
16
7 PVCC Power switch supply pin
17
8 PVCC Power switch supply pin
18
9
BST Bootstrapped voltage input pin
19
10 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 pin
Output voltage detection pin
GmAmp output pin/connected to phase
compensation capacitor
No connection
No connection
No connection
Enable pin(Active high）
Power switch ground pin
Power switch ground pin
Power switch ground pin
VCC
PVCC
VCC
PVCC
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TSZ22111・15・001
Figure 3. Block Diagram
2/22
TSZ02201-0J3J0AJ00140-1-2
03.Oct.2014 Rev.002