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参数资料
| 型号： | HIP6521EVAL1 |
| 厂商： | Intersil Corporation |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | PWM and Triple Linear Power Controller |
| 中文描述： | PWM和三线性功率控制器 |
| 文件页数： | 12/13页 |
| 文件大小： | 154K |
| 代理商： | HIP6521EVAL1 |
12
HIP6521 DC-DC Converter Application Circuit
Figure 9 shows an application circuit of a power supply for a
microprocessor computer system. The power supply provides
the system memory voltage (V
OUT1
), the AGP bus voltage
(V
OUT4
), the clock voltage (V
OUT2
), and the chip set core
voltage(V
OUT3
)from+5V
DUAL
.Fordetailedinformationonthe
circuit,includingaBill-of-Materialsandcircuitboarddescription,
see Application Note AN9908. Also see Intersil’s web page
(www.intersil.com) or Intersil AnswerFAX (321-724-7800)
Document No. 99908 for the latest information.
GND
VCC
+5V
DUAL
PGND
LGATE
UGATE
OCSET
PHASE
FB
COMP
V
OUT2
FB2
DRIVE2
Q3
DRIVE3
FB3
DRIVE4
C16
1000
μ
F
V
OUT3
V
OUT4
C13
1000
μ
F
C9-12
4x1000
μ
F
HIP6521
Q4
L2
+
+
+
+
C4
1
μ
F
L1
C1-3
C6
1
μ
F
C5
R1
V
OUT1
R6
1.50K
C14
C15
22nF
C8
330
μ
F
1.2
μ
H
3x1200
μ
F
1000pF
2
.
5
μ
H
10pF
GND
(2.5V)
(1.8V)
(1.5V)
FB4
+3.3V
IN
R8
698
R7
45.3K
12K
Q5
U1
1
2
13
14
5
15
16
4
3
12
9
10
6
8
11
(2.5V)
FIGURE 9. POWER SUPPLY APPLICATION CIRCUIT FOR A MICROPROCESSOR COMPUTER SYSTEM
Q1,2
HUF76129D3S
+3.3V
DUAL
FZT649
2SD1802
2SD1802
+
R3
5.90K
R2
12.7K
R5
7.15K
R4
9.09K
R10
8.45K
R9
7.50K
BOOT
7
C7
0.47
μ
F
D1
MA732
S3
S5
To FB2
To FB4
To OCSET
HIP6521
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|---|---|
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