
CM8501/A
1.5A B
US
T
ERMINATOR
PIN CONFIGURATION
PSOP-16 (PS16)/PTSSOP-16 (PT16)
2005/02/02
Rev. 1.2
Champion Microelectronic Corporation
Page 2
Top View
PSOP-8 (PS08)
Top View
1
2
3
4
8
7
6
5
VCCA
VCCQ
AGND
SD
PVDD
VL
PGND
VFB
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VCCA
NC
NC
NC
AGND
SD
VIN/2
AGSEN
NC
PVDD
VL
PGND
NC
VFB
VCCQ
NC
PIN DESCRIPTION
Pin No.
8501
Operating Rating
Typ.
8501A
Symbol
Description
Min.
Max.
Unit
1
1
VCCA
Voltage supply for internal circuits
2
2.5
5.5
V
2,3,4,9,12,16
--
NC
No Connection
5
3
AGND
Ground for internal reference voltage divider
Shutdown level
0.75 x VCCA
VCCA+0.3
6
4
SD
CMOS input level
Enable level
0
2.0
V
7
--
VIN/2
Input for external reference voltage
VCCQ/2
V
8
--
AGSEN
Ground for remote sensing
10
2
VCCQ
Voltage reference for external voltage divider
2.5
V
11
5
VFB
Feedback node for the V
TT
VCCQ/2
V
13
6
PGND
Ground for output power transistors
14
7
VL
Output voltage/inductor connection (IDD1+IDD2,
Output RMS current)
-2.0
+2.0
A
15
8
PVDD
Voltage supply for output power transistors
2
2.5
5.5
V
ORDERING INFORMATION
Part Number
Temperature Range
Package
CM8501IT
-40
℃
to 85
℃
16-Pin PTSSOP (PT16)
CM8501IS
-40
℃
to 85
℃
16-Pin PSOP (PS16)
CM8501AIS
-40
℃
to 85
℃
8-Pin PSOP (PS08)
CM8501GIT*
-40
℃
to 85
℃
16-Pin PTSSOP (PT16)
CM8501GIS*
-40
℃
to 85
℃
16-Pin PSOP (PS16)
CM8501AGIS*
-40
℃
to 85
℃
8-Pin PSOP (PS08)
*Note:
G : Suffix for Pb Free Product