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參數(shù)資料
| 型號(hào)： | AN7700 |
| 廠商： | Panasonic Corporation |
| 英文描述： | 5V@3A RoHS Compliant: Yes |
| 中文描述： | 低壓降三針穩(wěn)壓器1.2 - A型 |
| 文件頁數(shù)： | 19/21頁 |
| 文件大?。?/td> | 169K |
| 代理商： | AN7700 |
Voltage Regulators
AN7700, AN7700F, AN7700SP Series
19
I
Usage Notes
1. Input short-circuit protection circuit
When the DC input pin (pin1) and the ground pin
(pin2) of our conventional three-pin regulators (AN7800
series, etc.) were short-circuited at normal use condi-
tions in some cases, the voltage of the output pin (pin3)
becomes higher than that of the DC input pin and elec-
trons charged in the output capacitor C
OUT
flow into the
input side, resulting in break of the element.
In those cases, it was necessary for you to connect a
general silicon diode as shown in the figure on the right.
In the AN7700/AN7700F/AN7700SP series, however,
it is not necessary to connect the protection diode be-
cause these series have a built-in protection circuit to
safeguard the element from discharge current.
2. Capacitor for external compensation
To maintain the stability, insert a 33-mF capacitor as
close to pin 3 and pin 2 as possible. In case of using at low
temperature, decrease in capacity of the aluminum elec-
trolytic capacitor and increase of ESR of this capacitor
may lead to oscillation.
In the AN7700/AN7700F/AN7700SP series, for the
output capacitor C
OUT
, it is recommended to use an
aluminum electrolytic capacitor or tantalum capacitor
whose equivalent series resistance (ESR) has the tem-
perature characteristic within the recommended area
shown on the right.
3. Others
Cautions for the input voltage that exceeds the
operating supply voltage:
1) The overvoltage protection is activated with the ASO
protection circuit when V
IN
=
30 V is applied, and
the output shuts down occasionally. (3-V type to
10-V type)
2) Please note that at
I
OUT
<
2 mA, the output voltage
rises and may
exceed the maximum of the operation
range. (12-V type to 24-V type)
Not required
1
V
IN
V
OUT
C
OUT
33
μ
F
C
IN
0.33
μ
F
2
3
I
OUT
(A)
E
)
0.01
0
0.1
10
100
1.0
1 000
0.2
0.4
0.6
0.8
1.0
1.2
1.4
10 000
Usable range
10
(typ.)
AN7703/F
AN77033SP
AN77035SP
AN7704/F
AN7705/F/SP
AN7706/F/SP
AN7707/F/SP
AN7708/F/SP
AN7709/F/SP
AN7710/F/SP
AN7712/F/SP
AN7715/F/SP
AN7718/F
AN7720/F
AN7724/F
4 V to 14 V
4.3 V to 14 V
4.5 V to 14 V
5 V to 15 V
6 V to 16 V
7 V to 17 V
8 V to 18 V
9 V to 19 V
10 V to 20 V
11 V to 21 V
13 V to 23 V
16.5 V to 26.5 V
19.5 V to 29.5 V
21.5 V to 29.5 V
25.5 V to 29.5 V
Part No.
V
IN
V
=
Refer to the
table below.
I
OUT
=
0 A to 1 A
C
OUT
=
33
μ
F
Output capacitor ESR
(Equivalent series resistance) T
a
=
25
°
C
C
OUT
33
μ
F
ESR
1
2
3
GND
C
IN
0.33
μ
F
V
IN
I
OUT
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AN7700F | Low-dropout three-pin voltage regulator 1.2-A type |
| AN7700SP | Low-dropout three-pin voltage regulator 1.2-A type |
| AN7703 | Low-dropout three-pin voltage regulator 1.2-A type |
| AN77033SP | Low-dropout three-pin voltage regulator 1.2-A type |
| AN77035SP | Low-dropout three-pin voltage regulator 1.2-A type |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AN7700F | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Low-dropout three-pin voltage regulator 1.2-A type |
| AN7700SP | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Low-dropout three-pin voltage regulator 1.2-A type |
| AN7700SPSERIES | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:AN7700SP Series - Low-dropout three-pin voltage regulator 1.2-A type |
| AN-7701 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:FL7701 Design Tool Flow |
| AN7703 | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Low-dropout three-pin voltage regulator 1.2-A type |
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