ncp1582a ON Semiconductor, ncp1582a Datasheet - Page 2

• Manufacturer Part Number: ncp1582a
• Description: Low Voltage Synchronous Buck Controllers
• Manufacturer: ON Semiconductor

COMP/DIS
FB
6
7
0.8 V
(V
REF
+
−
)
Figure 2. Typical VGA Card Application Diagram
NCP1582, NCP1582A, NCP1583
Ramp
Figure 3. Detailed Block Diagram
Clock
FB
COMP/DIS
OSC
OSC
+
−
http://onsemi.com
GND
V
12 V
CC
FAULT
R
S
PHASE
2
BST
PWM
OUT
BG
TG
Q
LATCH
UVLO
POR
FAULT
FAULT
3.3 V
SCP
−
−
+
+
SCP Trip Voltage
−
+
2 V
2 V
V
V
CC
OUT
5
1
2
8
4
3
V
BST
TG
PHASE
BG
GND
CC