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ADP151AUJZ-3.3-R7

更新时间： 2024-11-24 06:36:23
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PC
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24页 526K
描述
Ultralow Noise,200 mA, CMOS Linear Regulator

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Ultralow Noise,200 mA,  
CMOS Linear Regulator  
ADP151  
TYPICAL APPLICATION CIRCUIT  
FEATURES  
Ultralow noise: 9 μV rms  
V
= 2.3V  
V
= 1.8V  
IN  
OUT  
5
1
2
3
VIN  
GND  
EN  
VOUT  
NC  
No noise bypass capacitor required  
Stable with 1 μF ceramic input and output capacitors  
Maximum output current: 200 mA  
Input voltage range: 2.2 V to 5.5 V  
Low quiescent current  
1µF  
1µF  
ON  
4
OFF  
NC = NO CONNECT  
Figure 1. TSOT ADP151 with Fixed Output Voltage, 1.8 V  
IGND = 10 μA with 0 load  
1
2
IGND = 265 ꢀA with 200 mA load  
Low shutdown current: <1 μA  
Low dropout voltage: 140 mV at 200 mA load  
Initial accuracy: 1ꢁ  
V
= 1.8V  
OUT  
V
= 2.3V  
OUT  
IN  
VIN  
VOUT  
A
C
C
IN  
1µF  
TOP VIEW  
(Not to Scale)  
ON  
Accuracy over line, load, and temperature: 2.5ꢁ  
16 fixed output voltage options: 1.1 V to 3.3 V  
PSRR performance of 70 dB at 10 kHz  
Current limit and thermal overload protection  
Logic controlled enable  
EN  
GND  
OFF  
B
Figure 2. WLCSP ADP151 with Fixed Output Voltage, 1.8 V  
Internal pull-down resistor on EN input  
5-lead TSOT package  
4-ball, 0.4mm pitch WLCSP  
APPLICATIONS  
RF, VCO, and PLL power supplies  
Mobile phones  
Digital camera and audio devices  
Portable and battery-powered equipment  
Post dc-to-dc regulation  
Portable medical devices  
GENERAL DESCRIPTION  
The ADP151 is an ultralow noise, low dropout, linear regulator  
that operates from 2.2 V to 5.5 V and provides up to 200 mA of  
output current. The low 140 mV dropout voltage at 200 mA  
load improves efficiency and allows operation over a wide input  
voltage range.  
The ADP151 is specifically designed for stable operation with  
tiny 1 ꢀF, 30% ceramic input and output capacitors to meet  
the requirements of high performance, space constrained  
applications.  
The ADP151 is capable of 16 fixed output voltage options,  
ranging from 1.1 V to 3.3 V.  
Using an innovative circuit topology, the ADP151 achieves  
ultralow noise performance without the necessity of a bypass  
capacitor, making it ideal for noise-sensitive analog and RF  
applications. The ADP151 also achieves ultralow noise per-  
formance without compromising PSRR or transient line and  
load performance. The low 265 μA of quiescent current at  
200 mA load makes the ADP151 suitable for battery-operated  
portable equipment.  
Short-circuit and thermal overload protection circuits prevent  
damage in adverse conditions. The ADP151 is available in tiny  
5-lead TSOT and 4-ball, 0.4 mm pitch, halide-free WLCSP  
packages for the smallest footprint solution to meet a variety of  
portable power application requirements.  
The ADP151 also includes an internal pull-down resistor on the  
EN input.  
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  
©2010 Analog Devices, Inc. All rights reserved.  
 
 
 
 
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ADP151AUJZ-3.3-R7 替代型号

型号 品牌 替代类型 描述 数据表
ADM7160AUJZ-3.3-R7 ADI

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TLV70033DDCT TI

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 200-mA Low-IQ Low-Dropout Regulator for Portable Devices

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