CM8500A Datasheet, PDF (2/13 Pages) List of Unclassifed Manufacturers – 3A BUS TERMINATOR

PIN DESCRIPTION
Pin No.
Symbol
Description
1,16 VCC1,VCC2
2,15 PVDD1,PVDD2
3,14 VL1,VL2
4,13
5,9,12
8
6
PGND1,PGND2
AGND
AGSEN
SD
Voltage supply for internal circuits
Voltage supply for output power transistors
Output voltage/inductor connection
(IDD1+IDD2, Output RMS current)
Ground for output power transistors
Ground for internal reference voltage divider
Ground for remote sensing
Shutdown active high. CMOS input level
7
VIN/2
10 VCCQ
11 VFB
Input for external reference voltage
Voltage reference for external voltage divider
Feedback node for the V_TT
BLOCK DIAGRAM
VCCQ VCC1
VCC2
SD
10
1
16
6
CM8500A
3A BUS TERMINATOR
Min.
2
2
-3
Operating Rating
Typ.
Max.
Unit
2.5
5
V
2.5
5
V
3
A
0.75 X
VCC
0
VCC +
V
0.3V
VIN
V
5
V
5
V
PVDD1
2
PVDD2
15
OSCILLATOR/
RAMP GENERATOR
3 VL1
VIN/2 7
AGND 5
AGND ⁹
AGND12
100K
100K
ERROR AMP
+
-
20PF
-
+
RAMP AMP
COMPARATOR
8
AGND
11
VFB
ORDERING INFORMATION
Part Number
CM8500AIT
CM8500AIS
CM8500AGIT*
CM8500AGIS*
CM8500ATEVAL
*Note: G : Suffix for Pb Free Product
Temperature Range
-40℃ to 85
-40℃ to 85
-40℃ to 85
-40℃ to 85
S
Q
R
Q
4
PGND1
14 VL2
13
PGND2
Package
16-Pin PTSSOP (PT16)
16-Pin PSOP (PS16)
16-Pin PTSSOP (PT16)
16-Pin PSOP (PS16)
Evaluation Board (T16)
2008/01/16
Champion Microelectronic Corporation
Page 2