ncp15889 ON Semiconductor, ncp15889 Datasheet - Page 2

• Manufacturer Part Number: ncp15889
• Description: Single Phase Buck Controller
• Manufacturer: ON Semiconductor

COMP/EN
3.878kW
VOS
FB
R4
9
8
7
0.0015mF
4.12kW
C1
R1
0.8 V
(V
0.8 V
(V
ref
ref
1mF
-
+
)
)
R2
17.08kW
C2
0.007mF
R3
74.2W
C3
0.014mF
OV and UV
MONITOR
PGOOD
PGOOD
COMP/EN
FB
RAMP
V
Figure 1. Typical Application Diagram
CC
CLOCK
Figure 2. Detailed Block Diagram
OSC
= 4.5 V - 13.2 V
OSC
VCC
GND
±25% of V
FAULT
+
-
R9
NCP1588, NCP1589
±10% of V
VOS
BOOT
http://onsemi.com
UG
LG
LX
ref
R10
R
START
S
SOFT
ref
V
PGOOD
2
PWM
BST
OUT
LATCH
UVLO
POR
= 4.5 V - 15 V
Q
10
0.1mF
FAULT
FAULT
V
IN
= 2.5 V - 13.2 V
+
-
+
-
+
-
4.7nF
1mH
2 V
1500mF
VOCP
VCC
2x1800mF
2x0.22mF
3
4
6
1
2
5
VCC
BOOT
UG
LX
LG
GND
VOUT
1.65 V
GND