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ADP1710AUJZ-0.8-R7 PDF预览

ADP1710AUJZ-0.8-R7

更新时间: 2024-11-05 03:10:23
品牌 Logo 应用领域
亚德诺 - ADI 线性稳压器IC调节器电源电路光电二极管输出元件
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16页 422K
描述
150 mA, Low Dropout, CMOS Linear Regulator

ADP1710AUJZ-0.8-R7 数据手册

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150 mA, Low Dropout,  
CMOS Linear Regulator  
ADP1710/ADP1711  
FEATURES  
TYPICAL APPLICATION CIRCUITS  
Maximum output current: 150 mA  
Input voltage range: 2.5 V to 5.5 V  
Light load efficient  
ADP1710  
V
= 5V  
V
= 3.3V  
1µF  
IN  
1µF  
OUT  
1
2
3
5
IN  
OUT  
I
I
GND = 35 μA with zero load  
GND = 40 μA with 100 μA load  
GND  
EN  
4
NC  
Low shutdown current: <1 μA  
Low dropout voltage: 150 mV @ 150 mA load  
Initial accuracy: 1ꢀ  
NC = NO CONNECT  
Figure 1. ADP1710 with Fixed Output Voltage, 3.3 V  
Accuracy over line, load, and temperature: 2ꢀ  
Stable with small 1μF ceramic output capacitor  
16 fixed output voltage options: 0.75 V to 3.3 V (ADP1710)  
Adjustable output voltage option: 0.8 V to 5.0 V  
(ADP1710 Adjustable)  
16 fixed output voltage options with reference bypass:  
0.75 V to 3.3 V (ADP1711)  
High PSRR: 69 dB @ 1 kHz  
ADP1710  
ADJUSTABLE  
V
= 5.5V  
V
= 0.8V(1 + R1/R2)  
1µF  
IN  
OUT  
1
2
3
5
4
IN  
OUT  
ADJ  
1µF  
GND  
EN  
R1  
R2  
Low noise: 40 μVRMS  
Excellent load/line transient response  
Current limit and thermal overload protection  
Logic controlled enable  
Figure 2. ADP1710 with Adjustable Output Voltage, 0.8 V to 5.0 V  
ADP1711  
5-lead TSOT package  
V
= 5V  
V
= 3.3V  
1µF  
IN  
OUT  
1
2
3
5
IN  
OUT  
APPLICATIONS  
1µF  
Mobile phones  
GND  
EN  
Digital camera and audio devices  
Portable and battery-powered equipment  
Post dc-dc regulation  
10nF  
4
BYP  
Figure 3. ADP1711 with Fixed Output Voltage and Bypass Capacitor, 3.3 V  
GENERAL DESCRIPTION  
The ADP1710/ADP1711 are low dropout linear regulators  
that operate from 2.5 V to 5.5 V and provide up to 150 mA of  
output current. Utilizing a novel scaling architecture, ground  
current drawn is a very low 40 μA, when driving a 100 μA  
load, making the ADP1710/ADP1711 ideal for battery-  
operated portable equipment.  
The ADP1710/ADP1711 are optimized for stable operation with  
small 1 μF ceramic output capacitors, allowing for good transient  
performance while occupying minimal board space. An enable  
pin controls the output voltage on both devices. There is also an  
under-voltage lockout circuit on both devices, which disables the  
regulator if IN drops below a minimum threshold.  
The ADP1710 and the ADP1711 are each available in sixteen  
fixed output voltage options. The ADP1710 is also available in  
an adjustable version, which allows output voltages that range  
from 0.8 V to 5 V via an external divider. The ADP1711 allows  
for a reference bypass capacitor to be connected, which reduces  
output voltage noise and improves power supply rejection.  
An internal soft start gives a typical start-up time of 80 μs.  
Short-circuit protection and thermal overload protection  
circuits prevent damage to the devices in adverse conditions.  
Both the ADP1710 and the ADP1711 are available in tiny  
5­lead TSOT packages, for the smallest footprint solution to all  
your power needs.  
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  
©2006 Analog Devices, Inc. All rights reserved.  
 

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