BD9528MUV データシートの表示（PDF） - ROHM Semiconductor
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BD9528MUV Datasheet PDF : 34 Pages
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BD9528MUV
●Pin Configuration
Technical Note
PGND1
25
LG1
26
Vo1 27
REG2
28
REG1
29
VIN
30
LG2
31
PGND2
32
24 23 22 21 20 19 18 17
FIN
MCTL2
16
15 FS1
14 FB1
13 AGND
12 REF
11 FB2
10 FS2
CTL
9
12345678
Input
MCTL1
MCTL2
Low
Low
Low
High
High
Low
High
High
Control Mode
SLLM
QLLM
Forced Continuous Mode
Forced Continuous Mode
※MCTL pin is connected to AGND pin with 500kΩ
resistor ( pull down) internal IC
●Pin Function Table
PIN No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
reverse
PIN name
SW2
HG2
BOOT2
EN2
PGOOD2
SS2
Vo2
ILIM2
CTL
FS2
FB2
REF
AGND
FB1
FS1
MCTL2
ILIM1
MCTL1
SS1
PGOOD1
EN1
BOOT1
HG1
SW1
PGND1
LG1
Vo1
REG2
REG1
VIN
LG2
PGND2
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,OPEN=OFF)
Vo2 Power Good Open Drain Output pin
Vo2 Soft start pin
Vo2 Output voltage sense pin
OCP setting pin 2
Linear regulator ON/OFF pin
(High,OPEN=ON, Low=OFF)
Input pin for setting Vo2 frequency
Vo2 output voltage feedback pin
Output voltage setting pin
Input pin Ground
Vo1 output voltage feedback pin
Input pin for setting Vo1 frequency
Mode switch pin 2 ( OPEN = L )
OCP setting pin 1
Mode switch pin 1 ( OPEN = L )
Vo1 Soft start pin
Vo1 Power Good Open Drain Output pin
Vo1 ON/OFF pin
(High=ON, Low,OPEN=OFF)
HG Driver power supply pin
Highside FET gate drive pin 1
Highside FET source pin 1
Lowside FET source pin 1
Lowside FET gate drive pin 1
Vo1 Output voltage sense 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 Pad1, connect to GND
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2010.03 - Rev.A
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