ISL6520A Intersil Corporation, ISL6520A Datasheet - Page 9

• Manufacturer Part Number: ISL6520A
• Description: Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
• Manufacturer: Intersil Corporation

ISL6520A DC-DC Converter Application Circuit
Figure 8 shows an application circuit of a DC-DC Converter.
Detailed information on the circuit, including a complete Bill-
Component Selection Notes:
C
C
D1 - 30mA Schottky Diode, MA732 or Equivalent
IN
OUT
- Each 330mF 6.3WVDC, Sanyo 6TPB330M or Equivalent.
- Each 330mF 6.3WVDC, Sanyo 6TPB330M or Equivalent.
+5V
6.19kΩ
10.0kΩ
8200pF
1.00kΩ
COMP/OCSET
9
470pF
FB
0.1µF
U
7
6
ISL6520A
1
REF
FIGURE 8. 5V to 3.3V 15A DC-DC CONVERTER
OSC
+
-
PROTECTION
MONITOR
AND
5
VCC
3
+
-
GND
60.4Ω
ISL6520A
3.16kΩ
2 x 330µF
C
18000pF
IN
1
2
4
8
of-Materials and circuit board description, can be found in
Application Note AN9932.
+
BOOT
UGATE
PHASE
L
Q
LGATE
1
1
- 3.1µH Inductor, Panasonic P/N ETQ-P6F2ROLFA or Equivalent.
, Q
2
- Intersil MOSFET; HUF76143.
Q
Q
1
2
0.1µF
D
1
L
1
2 x 1µF
3 x 330µF
C
OUT
+
0.1µF
V
OUT