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ADP130 PDF预览

ADP130

更新时间: 2024-11-26 04:31:39
品牌 Logo 应用领域
亚德诺 - ADI 稳压器
页数 文件大小 规格书
20页 505K
描述
350 mA, Low VIN, Low Quiescent Current, CMOS Linear Regulator

ADP130 数据手册

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350 mA, Low VIN, Low Quiescent Current,  
CMOS Linear Regulator  
ADP130  
TYPICAL APPLICATION CIRCUITS  
FEATURES  
350 mA maximum output current  
Input voltage supply range  
V
= 1.8V  
V
= 1.2V  
IN  
OUT  
1
2
3
VIN  
5
VOUT  
+
+
1µF  
1µF  
ADP130  
GND  
V
V
BIAS = 2.3 V to 5.5 V  
IN = 1.2 V to 3.6 V  
2.3 V < VIN < 3.6 V, VIN can be tied to VBIAS  
Very low dropout voltage: 17 mV @ 100 mA load  
Low quiescent current: 25 μA @ no load  
Low shutdown current: <1 μA  
V
= 3.6V  
BIAS  
EN  
4
VBIAS  
+
1µF  
Figure 1.  
1ꢀ accuracy @ 25°C  
Excellent PSRR performance: 70 dB @ 10 kHz  
Excellent load/line transient response  
Optimized for small 1 ꢁF ceramic capacitors  
Current limit and thermal overload protection  
Logic controlled enable  
V
= 2.8V  
+
V
OUT  
= 1.8V  
IN  
1
2
3
VIN  
5
4
VOUT  
+
1µF  
1µF  
ADP130  
GND  
5-lead TSOT package  
V
= 5V  
1µF  
BIAS  
+
EN  
VBIAS  
APPLICATIONS  
Mobile phones  
Figure 2.  
Digital camera and audio devices  
Portable and battery-powered equipment  
Post dc-to-dc regulation  
GENERAL DESCRIPTION  
The ADP130 is a low quiescent current, low dropout linear regu-  
lator. It is designed to operate in dual-supply mode with an input  
voltage as low as 1.2 V to increase efficiency and provide up to  
350 mA of output current. The low 17 mV dropout voltage at  
a 100 mA load improves efficiency and allows operation over  
a wider input voltage range.  
The ADP130 is available in the following 31 fixed output voltage  
options:  
0.80 V to 2.00 V in 50 mV steps  
1.875 V, 2.25 V, 2.50 V, 2.775 V, 2.80 V, and 3.0 V  
The ADP130 has a typical internal soft start time of 200 μs. Short-  
circuit protection and thermal overload protection circuits  
prevent damage in adverse conditions. The ADP130 is available  
in a tiny 5-lead TSOT package for the smallest footprint solution to  
meet a variety of portable power applications.  
A dual-supply power solution typically improves conversion  
efficiency over a single-supply solution because the higher VBIAS  
supply powers the part, and the lower VIN supply delivers current  
to the load. The power dissipated in the device is thereby reduced.  
The ADP130 is optimized for stable operation with small 1 μF  
ceramic output capacitors. The ADP130 delivers good transient  
performance with minimal board area.  
Rev. 0  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2008 Analog Devices, Inc. All rights reserved.  
 

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