ncp4200 ON Semiconductor, ncp4200 Datasheet - Page 10

• Manufacturer Part Number: ncp4200
• Description: Programmable Multi-phase Synchronous Buck Converter With Pmbus
• Manufacturer: ON Semiconductor

680 W
Figure 5. Current Sense Amplifier VOS
39 k
1 k
1 V
12 V
W
W
680
100 nF
W
30
18
17
16
7
VCC
CSCOMP
CSSUM
CSREF
GND
ADP4200
+1.25 V
Figure 4. Closed−Loop Output Voltage Accuracy
V OS =
121 k
W
CSCOMP – 1 V
VCC3
ALERT
FAULT
SDA
SDL
EN
GND
IMON
IREF
RT
40
http://onsemi.com
TEST CIRCUITS
1 k
NCP4200
VID CODE
W
8 BIT
20 k
100 nF
10
W
10 k
PWM1
PWM2
PWM3
PWM4
680 W
W
VCC
SW1
SW2
SW3
SW4
OD1
12 V
10 k
1 V
Figure 6. Positioning Voltage
W
680 W
+1 F
680 W
m
30
19
14
15
7
100 nF
VCC
COMP
FB
CSREF
GND
DV FB = FB D V = 80mV – FB D V = 0 mV
+12 V
ADP4200
+
–
680 W
DAC
VID