CM8501C Datasheet, PDF (2/6 Pages) List of Unclassifed Manufacturers – 1.5A BUS TERMINATOR

PIN DESCRIPTION
Pin No.
1
3
4
Symbol
VCCA
AGND
SD
2
VCCQ
5
VFB
6
PGND
7
VL
8
PVDD
CM8501C
1.5A BUS TERMINATOR
Description
Voltage supply for internal circuits
Ground for internal reference voltage divider
Shutdown active high. CMOS input level
Voltage reference for external voltage divider
Feedback node for the V_TT
Ground for output power transistors
Output voltage/inductor connection (IDD1+IDD2,
Output RMS current)
Voltage supply for output power transistors
Operating Rating
Min.
Typ. Max. Unit
2.0
4.5 V
0.75 x
VCCA
VCCA V
+ 0.3V
2.5
V
VCCQ/2
V
-1.5
+1.5 A
2.0
4.5 V
ORDERING INFORMATION
Part Number
CM8501CIS
CM8501CGIS*
*Note: G : Suffix for Pb Free Product
Temperature Range
-40℃ to 85℃
-40℃ to 85℃
BLOCK DIAGRAM
SD
4
AGND
3
VCCQ
2
Package
8-Pin SOP (S08)
8-Pin SOP (S08)
VCCA
1
OSCILLATOR
RAMP GENERATOR
100K
100K
ERROR AMP
+
-
-
+
RAMP AMP
COMPARATOR
S
Q
R
Q
20PF
THERMO-
PROTECTION
5
VFB
6
7
PGND
VL
8
PVDD
2004/06/01 Rev. 1.1
Champion Microelectronic Corporation
Page 2