NCP1575 ON Semiconductor, NCP1575 Datasheet - Page 3

• Manufacturer Part Number: NCP1575
• Description: Low Voltage Synchronous Buck Controller
• Manufacturer: ON Semiconductor

12 V
D1
5.6 V Zener
BZX84C5V6
R1
15
Option
C4
205
open
R3
Figure 3. 12 V Only Applications Diagram, 12 V to 2.5 V Conversion at 6 A
R7
15
D2
BAV99LT1
C11
0.1 mF
1.0 mH
L1
U1
V
R
NC
COMP
CC
OSC
NCP1575
GATE(H)
GATE(L)
+
C1
1000 mF/16 V
GND
V
FB
3.3 k
http://onsemi.com
R5
NCP1575
3
0.98 V
+
C9
10000 pF
C2
1000 mF/16 V
0.033 mF
4700 pF
C3*
5.1 k
C10
R6
Q1
NTD30N02
Q4
NTD30N02
*C3 value is dependent on MOSFET
gate drive current. Incorrect values
may cause poor V
excessive power dissipation in D1.
2.4 mH
1000 mF
L2
C5
CC
+
1000 mF
regulation or
C6
+
104
C8
2.5 V/
6.0 A