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参数资料
| 型号： | FA7738P |
| 厂商： | FUJI ELECTRIC CO LTD |
| 元件分类： | 稳压器 |
| 英文描述： | 5.5 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封装： | DIP-8 |
| 文件页数： | 10/19页 |
| 文件大小： | 484K |
| 代理商： | FA7738P |
18
FA7738N/P
11. Example of representative characteristics
(1)Input voltage：20～30V, Output voltage：5V
·Parts list
Ref.
Description
Type name
Maker
Ref.
Description
Type name
Maker
IC
FA7738N
Fuji
CV
Ceramic Capacitor
0.1uF
D1
Schottky Diode
SD833-06
Fuji
CB
Ceramic Capacitor
0.1uF
L1
Inductor
CDRH104R-47uH
SUMIDA
C1
Ceramic Capacitor
220pF
CIN
Electrolytic Capacitor
220uF/35V
Panasonic
RT
Resistor
22kΩ(fosc=200kHz)
Cout
Electrolytic Capacitor
220uF/6.3V
Panasonic
R1
Resistor
40kΩ
CREG
Ceramic Capacitor
0.1uF
R3
Rsisitor
10kΩ
·Typical Operating Characteristics
Output Voltage vs.Input Voltage
4.80
4.85
4.90
4.95
5.00
5.05
5.10
5.15
5.20
18
20
22
24
26
28
30
32
Input Voltage [V]
O
ut
put
V
ol
tage
[V
]
Io=0A
Io=0.4A
Io=0.8A
Io=1.2A
Efficiency vs. Input Voltage
80
81
82
83
84
85
86
87
88
89
90
18
20
22
24
26
28
30
32
Input Voltage [V]
E
ffi
ci
en
cy
[%
]
Io=0.4A
Io=0.8A
Io=1.2A
Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
Output Current [A]
E
ffi
ci
en
cy
[%
]
Vin=24V
Output Voltage vs. Output Curent
4.80
4.85
4.90
4.95
5.00
5.05
5.10
5.15
5.20
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
Output Current [A]
O
ut
put
V
ol
tage
[V
]
Vin=24V
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