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

CM8500A
3A BUS TERMINATOR
PIN DESCRIPTION
Pin No.
Symbol
Description
Min.
Operating Rating
Typ.
Max.
Unit
1,16 VCC1,VCC2
Voltage supply for internal circuits
2
2.5
5
V
2,15 PVDD1,PVDD2 Voltage supply for output power transistors
2
2.5
5
V
3,14 VL1,VL2
Output voltage/inductor connection (IDD1+IDD2, -3
3
A
Output RMS current)
4,13 PGND1,PGND2 Ground for output power transistors
5,9,12 AGND
Ground for internal reference voltage divider
8 AGSEN
Ground for remote sensing
6
SD
Shutdown active high. CMOS input level
0.75 X
VCC +
V
VCC
0.3V
7
VIN/2
Input for external reference voltage
0
VIN
V
10 VCCQ
Voltage reference for external voltage divider
5
V
11 VFB
Feedback node for the V_TT
5
V
BLOCK DIAGRAM
VCCQ VCC1
VCC2
SD
10
1
16
6
PVDD1
2
PVDD2
15
OSCILLATOR/
RAMP GENERATOR
3 VL1
VIN/2 7
AGND 5
AGND 9
AGND ¹²
100K
100K
ERROR AMP
+
-
20PF
-
+
RAMP AMP
COMPARATOR
8
11
AGND 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
14 VL2
4
PGND1
13
PGND2
Package
16-Pin PTSSOP (PT16)
16-Pin PSOP (PS16)
16-Pin PTSSOP (PT16)
16-Pin PSOP (PS16)
Evaluation Board (T16)
2004/12/20
Champion Microelectronic Corporation
Page 2