cs5165 ON Semiconductor, cs5165 Datasheet - Page 8

• Manufacturer Part Number: cs5165
• Description: 5?bit Synchronous Cpu Buck Controller
• Manufacturer: ON Semiconductor

PWRGD
ENABLE
COMP
LGND
V
V
V
V
V
V
SS
ID1
ID2
ID0
ID3
ID4
FB
−8.5%
1.25 V
5 BIT
DAC
20 k
+
+8.5%
−
V
65 μs
Delay
CC
Enable
Comparator
7.0 μA
−
+
−
Error Amplifier
+
+
−
1.0 V
Circuit Bias
PWM
Comparator
2.0 μA
60 μA
+
+
−
−
V
Comparator
FB
5.0 V
Figure 2. Block Diagram
Low
http://onsemi.com
V
PWM COMP
Blanking
CC
Monitor
8
2.5 V
0.7 V
Extended
Off−Time
Off−Time
Timeout
Timeout
Normal
Maximum
On−Time
+
−
+
−
Timeout
SS High
Comparator
SS Low
Comparator
+
−
Time−Out
(30 μs)
Timer
Off−Time
Timeout
R
S
FAULT
3.95 V
3.87V
Latch
Q
Q
R
S
FAULT
FAULT
PWM
Latch
Edge Triggered
Q
Q
GATE(H) = ON
GATE(H) = OFF
R
S
One Shot
C
OFF
Q
V
PGND
V
CC1
CC
V
V
V
C
PGND
GATE(H)
GATE(L)
CC
OFF