Datasheet > AS1363_13

AS1363_13

更新时间： 2024-11-09 12:48:55

品牌	Logo	应用领域
艾迈斯 - AMSCO		稳压器
页数	文件大小	规格书
19页	282K
描述
1A Low Dropout Linear Voltage Regulator

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AS1363_13 数据手册

AS1363

1A Low Dropout Linear Voltage Regulator

1 General Description

The AS1363 is a low-dropout linear regulator that operates from a

+2.0V to +5.5V supply and delivers a guaranteed 500mA load

current with low 150mV dropout.

2 Key Features

Guaranteed Output Current: 500mA

Low Dropout: 150mV @ 500mA

The device is available in two versions (see Table 1). One version

has a high-accuracy output with a preset voltage (1.2V, 1.5V, 1.8V,

3.0V, 3.3V, or 4.5V). This voltage is internally trimmed and also offers

a Bypass pin. With a capacitor connected to this Bypass pin, the

PSRR and the Noise performance is improved.

2.0V to 5.5V Input Voltage

Fixed Output Voltage: 1.2V to 5.0V

User-Adjustable Output Voltage: 1.2V to 5.3V

Power OK Output

At the other version the output voltage is user-adjustable (1.2V to

5.3V) and offers an SET pin for setting the output voltage.

Low Quiescent Current: 40µA

Low Shutdown Current: 30nA

Thermal Overload Protection

Output Current Limit

Table 1. Standard Products

Model

Output Type

Adjustable

Fixed

BYP

SET

Yes

AS1363-AD

AS1363-_ _

Yes

Output discharge path during shutdown

6-pin SOT23 Package

A low supply current (65µA typ.) at maximum load is making the

device ideal for portable battery-operated equipment.

Other features are included such as an active-low open-drain reset

output that indicates when the output is out of regulation, a low-

current (30nA typ.) shutdown mode, an integrated short-circuit and a

thermal shutdown protection.

3 Applications

The device is ideal for laptops, PDAs, portable audio devices, mobile

phones, cordless phones, and any other battery-operated portable

device.

When in shutdown, a 5k (typ) discharge path is connected

between the output pin and ground. The AS1363 is available in a 6-

pin SOT23 package.

Figure 1. AS1363 - Typical Application Circuit

VOUT

1.2V to 5.3V

VIN

to 5.5V

2.0V

OUT

COUT2

.2µF

CIN

1µF

AS1363-AD

Off

SET

To Controller

POK

GND

RPOK

100k

VOUT Logic Sup-

ply Voltage

www.ams.com/LDO

Revision 1.9

1 - 19

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