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ACE520SDGM+H 参数 Datasheet PDF下载

ACE520SDGM+H图片预览
型号: ACE520SDGM+H
PDF下载: 下载PDF文件 查看货源
内容描述: 双路,300mA,高PSRR线性稳压器 [Dual 300mA High PSRR Linear Regulator]
分类和应用: 稳压器
文件页数/大小: 9 页 / 663 K
品牌: ACE [ ACE TECHNOLOGY CO., LTD. ]
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ACE520
Dual 300mA High PSRR Linear Regulator
Description
ACE520 dual, low-noise, low-dropout regulator delivers at least 300mA of continuous output current.
The output voltage for each regulator is set independently by trimming. Output voltages are selectable in
100mV steps within a range of 1.2V to 3.5V. Typical output noise is 47uV
rms
,and PSRR is 73dB at 100Hz.
The ACE520 includes two independent logic-controlled shutdown inputs and allows the output of each
regulator to be turned of independently.
The ACE520 includes high accuracy voltage reference, error amplifier, current limit circuit and output
driver module.
The ACE520 has excellent load and line transient response and good temperature characteristics, which
can assure the stability of chip and power system. And it uses trimming technique to guarantee output
voltage accuracy within± 2%.
Features
Two low dropout voltage regulators
300mA output current for each LDO
25uA operating supply current per LDO
Low 47uV
RMS
output noise
Standby Mode: 0.1uA
Low 160mV dropout at 300mA load
73dB PSRR at 100Hz
Excellent Line regulation: 0.05%/V
Independent Shutdown controls
1.2V to 3.5V Factory-Preset Output
Output Current Limit
Highly Accurate:
±2%
(±1% customized)
Application
Cellular phones
Cordless phones and radio communication equipment
Battery Powered equipment
Notebook and hand-ole equipment
Wireless LAN
GPS receivers
Absolute Maximum Ratings
Parameter
Input voltage
Power Dissipation
SOT-23-6
Junction temperature
Storage temperature
Ambient Temperature
Symbol
V
IN
Max
8
250
125
- 45 to 150
-40 to 85
Unit
V
mW
O
O
O
T
J
T
S
T
A
C
C
C
Note: Exceed these limits to damage to the device. Exposure to absolute maximum rating conditions may affect device reliability.
VER 1.4
1