ml4880 Microsemi Corporation, ml4880 Datasheet - Page 2

• Manufacturer Part Number: ml4880
• Description: Portable Pc/pcmcia Power Controller
• Manufacturer: Microsemi Corporation

ML4880
PIN CONFIGURATION
PIN DESCRIPTION
2
PIN# NAME
10 SHDN C
12 V
11 SHDN A
1
2
3
4
5
6
7
8
9
CLAMP B
CLAMP A
I
I
I
GND
GND
V
V
SENSE
SENSE
SENSE
FB
FB
FB
A
B
C
C
A
B
FUNCTION
Gate clamp, regulator B
Gate clamp, regulator A
Current sense, regulator C
Current sense, regulator A
Current sense, regulator B
Ground
Ground
Feedback node, buck regulator B
Feedback node, buck regulator A
Shutdown input, regulator C
Shutdown input, regulator A
Feedback node, regulator C
CLAMP B
CLAMP A
SHDN C
SHDN A
I
I
I
SENSE
SENSE
SENSE
V
V
V
GND
GND
FB
FB
FB
C
A
A
C
B
B
24-Pin SOIC (S24)
1
2
3
4
5
6
7
8
9
10
11
12
ML4880
TOP VIEW
PIN# NAME
13 PDRV A
14 NDRV A
15 V
16 V
17 NDRV C
18 SHDN B
19 PDRV B
20 NDRV B
21 PWR GND C Power Ground, regulator C
22 PWR GND B Power Ground, regulator B
23 PWR GND A Power Ground, regulator A
24 CLAMP
24
23
22
21
20
19
18
17
16
15
14
13
REG
IN
CLAMP
PWR GND A
PWR GND B
PWR GND C
NDRV B
PDRV B
SHDN B
NDRV C
V
V
NDRV A
PDRV A
IN
REG
FUNCTION
P-channel drive, regulator A
N-channel drive, regulator A
Linear regulator output
Power supply input voltage
N-channel drive, regulator C
Shutdown input, regulator B
P-channel drive, regulator B
N-channel drive, regulator B
Charge pump capacitor input