Datasheet > AN77L00/AN77L00M

AN77L00/AN77L00M

更新时间： 2022-01-23 19:02:00

品牌	Logo	应用领域
松下 - PANASONIC		稳压器
页数	文件大小	规格书
8页	83K
描述
Series 3-Pin Low Power Loss Voltage Regulator

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数据手册

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AN77L00/AN77L00M 数据手册

Voltage Regulators

AN77L00/AN77L00M Series

AN77L00 series

AN77L00M Series

[Power Dissipation (TO-92 Package)]

P_D—Ta

[Power Dissipation (TO-243 Package)]

P_D—Ta

1.0

0.5

1.0

Single Unit

R_thj– a=190˚C/W

P_D=658mW (25˚C)

0.5

75 85 100 125 150

Ambient Temperature Ta (˚C)

Note) SM to printed board (glass epoxy board of 20 × 20 × 1.7mm with copper film of 1cm²or more)

■ Precautions on Use

1. Input Short-Circuit Protection Circuit

Not required

For the conventional Matsushita 3-pin regulators (such as

of the AN8000 series), when DC input pin3 is short-

circuited with GND w in the normal operation condition,

the potential of output pinq becomes higher than that of

DC input pin and the electric charges which is charged in

output capacitor C_Oflows in the input side, resulting in the

breakage of elements.

(2)

V_I

V_O

(1)

–

(3)

In the above case, the common silicon diode is connected

as shown in the right figure (the dotted line). However, for

the AN77L00/M series, since the protection circuit, which

protects the elements from the discharging current, is

incorporated in the internal circuit, the protection diode is

not required.

C_I

0.33µF

C_O

10µF

Pin number in

is for the AN77L00M series.

Pin number in ( ) is for the AN77L00 series.

2. Capacitor for External Compensation

In order to secure the safety, the capacitor of 10 µF is

required in the output side and it should be added as near

as possible to output pin1 and GND 2. When it is used

under low temperature, oscillation may occur due to the

decrease of the aluminum electrolytic capacitor and

increase of ESR.

Recommended Range

For the AN77L00/M, it is recommended that the tantalum

capacitor or aluminum electrolytic capacitor whose serial-

connected resistance equivalent with that of output

capacitor C_Ohas temperature characteristics within the

recommended range specified in the right.

100

Output Current I_O(mA)

1...5 6 78

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