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AS1364-AD 参数 Datasheet PDF下载

AS1364-AD图片预览
型号: AS1364-AD
PDF下载: 下载PDF文件 查看货源
内容描述: 1A ,低压差线性稳压器 [1A, Low-Dropout Linear Voltage Regulator]
分类和应用: 稳压器
文件页数/大小: 15 页 / 563 K
品牌: AMSCO [ AUSTRIAMICROSYSTEMS AG ]
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Datasheet
AS1364
1 A , L o w - D r o p o u t L i n e a r Vo l ta g e R e g u l a t o r
1 General Description
The AS1364 is a low-dropout linear regulator (LDO)
designed to operate from 2V to 5.5V input, that delivers
a wide range of highly accurate (±0.75%) factory-
trimmed output voltages as well as adjustable output
voltages (using an external resistor-divider network).
The ultra-low dropout device requires only 140mV drop-
out voltage while delivering a guaranteed 1A load cur-
rent and is therefore perfectly suited for battery-operated
portable applications.
Additionally the AS1364 offers extremly low 10µV
RMS
(100Hz to 100kHz) or 45µV
RMS
(10Hz to 1MHz) output
voltage noise.
Table 1. Standard Products
Model
AS1364-AD
AS1364-_ _
Output Type
Adjustable
Fixed
BYP
No
Yes
SET
Yes
No
2 Key Features
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Guaranteed Output Current: 1A
Low Dropout: 140mV @ 1A
Output Voltage Accuracy: Up to ±0.75%
2.0V to 5.5V Input Voltage
Fixed V
OUT
: 1.2V to 5.0V
Adjustable V
OUT
: 1.2V to 5.3V
Low Ground Current: 35µA
Low Shutdown Current: 10nA
Low Output Noise: 45µV
RMS
(from 10Hz to 1MHz)
Thermal Overload Protection
Output Current Limit
8-pin TDFN 3x3mm Package
The device features an internal PMOS pass transistor
(for a low supply current of only 35µA), reset output, a
low-power shutdown mode, and protection from short-
circuit and thermal-overload conditions.
The AS1364 is available in an 8-pin TDFN 3x3mm pack-
age.
3 Applications
The device is ideal for laptops, PDAs, portable audio
devices, mobile phones, cordless phones, and any other
battery-operated portable device.
Figure 1. AS1364 - Typical Application Diagram
3
V
IN
C
IN
4.7µF
On
Off
IN
4
IN
2
EN
8
GND
6
OUT
5
C
OUT
4.7µF
V
OUT
AS1364
OUT
1
POK
7
SET/BYP
Reset Output
C
BYP
10nF
www.austriamicrosystems.com
Revision 1.05
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