参数资料
型号: ISL6430
厂商: Intersil Corporation
英文描述: Single Sync Buck PWM Controller for Broadband Gateway Applications
中文描述: 单同步降压PWM控制器,宽带网关应用
文件页数: 2/12页
文件大小: 400K
代理商: ISL6430
10
ISL6430 DC-DC Converter Application Circuit
The figure below shows an application circuit of a DC-DC
Converter for a microprocessor application. Detailed
information on the circuit, including a complete Bill-of-
Materials and circuit board description, can be found in
application note AN9974. See Intersil’s home page on the
web: www.intersil.com.
ISL6430
RT
FB
COMP
SS
REF
-
+
GND
+
-
OSC
VCC
VIN
C1-3
L1
C6-9
0.1
F
2x 1
F
0.1
F
1
F
15k
1k
3x 680
F
4x 1000
F
UGATE
OCSET
PHASE
BOOT
SPARE
CR1
Q1
3.01k
1000pF
CR2
C13
R1
R3
R4
C15
R5
C14
C12
C17-18
C19
R6
C20
4148
U1
RTN
12VCC
14
2
10
9
8
7
4
5
1
3
SPARE
PGND
LGATE
12
11
PVCC
13
JP1
Q2
1206
MBR
340
VOUT
RTN
ENABLE
R2
1k
COMP
TP1
PHASE
TP2
6
R7
10k
MONITOR AND
PROTECTION
+
-
+
-
C16
0.01
F
33pF
SPARE
Component Selection Notes:
C1-C3 - 3 each 680
F 25W VDC, Sanyo MV-GX or equivalent
C6-C9 - 4 each 1000
F 6.3W VDC, Sanyo MV-GX or equivalent
L1 - Core: Micrometals T50-52B; Winding: 10 Turns of 17AWG
CR1 - 1N4148 or equivalent
CR2 - 3A, 40V Schottky, Motorola MBR340 or equivalent
Q1, Q2 - Intersil MOSFET; RFP25N05
FIGURE 11. DC-DC CONVERTER APPLICATION CIRCUIT
ISL6430
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