BD95242MUV_10 Datasheet, PDF (5/21 Pages) Rohm – 2ch Switching Regulator for Desktop PC

●Pin Configuration
Technical Note
24 23 22 21 20 19 18 17
PGND1 25
LG1 26
EXTVCC 27
REG2 28
REG1 29
VIN 30
LG2 31
PGND2 32
16 Is+1
15 FB1
14 FS1
13 AGND
FIN
12 MCTL
11 FS2
10 FB2
9 Is+2
12345678
●Pin Function Table
PIN No.
PIN name
1
SW2
2
HG2
3
BOOT2
4
EN2
5
PGOOD2
6
SS2
7
DGND
8
REF2
9
Is+2
10
FB2
11
FS2
12
MCTL
13
AGND
14
FS1
15
FB1
16
Is+1
17
REF1
18
CTL
19
SS1
20
PGOOD1
21
EN1
22
BOOT1
23
HG1
24
SW1
25
PGND1
26
LG1
27
EXTVCC
28
REG2
29
REG1
30
VIN
31
LG2
32
PGND2
reverse
FIN
PIN Function
Highside FET source pin 2
Highside FET gate drive pin 2
HG Driver power supply pin 2
Vo2 ON/OFF pin (High=ON, Low=OFF)
Vo2 Power Good Open Drain Output pin
Vo2 soft start pin
Ground
Vo2 output voltage setting pin
Current sense pin +2
Vo2 output voltage sense pin, current sense pin -2
Input pin for setting Vo2 frequency
Mode shift pin (Low=continuous, Middle=QLLM, High=SLLM)
Input pin Ground
Input pin for setting Vo1 frequency
Vo2 output voltage sense pin, current sense pin -1
Current sense pin +1
Vo1 output voltage setting pin
Linear regulator ON/OFF pin (High=ON, Low=OFF)
Vo1 soft start pin
Vo1 Power Good Open Drain Output pin
Vo1 ON/OFF pin (High=ON, Low=OFF)
HG Driver power supply pin 1
Highside FET gate drive pin 1
Highside FET source pin 1
Lowside FET source pin 1
Lowside FET gate drive pin 1
Outside power supply input pin
3.3V linear regulator output pin
5V linear regulator output pin
Power supply input pin
Lowside FET gate drive pin 2
Lowside FET source pin 2
Exposed Pad, Connect to GND
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
5/20
2010.03 - Rev.C