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ADP151ACPZ-2.8-R7

更新时间： 2024-11-15 08:19:35
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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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24页 568K
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Ultralow Noise, 200 mA, CMOS Linear Regulator

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ADP151ACPZ-2.8-R7 数据手册

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Ultralow Noise, 200 mA,  
CMOS Linear Regulator  
ADP151  
TYPICAL APPLICATION CIRCUIT  
FEATURES  
V
= 2.3V  
V
= 1.8V  
IN  
OUT  
Ultralow noise: 9 µV rms  
1
2
3
VIN  
GND  
EN  
VOUT  
5
1µF  
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  
ON  
4
NC  
OFF  
NC = NO CONNECT  
Figure 1. TSOT ADP151 with Fixed Output Voltage, 1.8 V  
I
I
GND = 10 µA with 0 load  
GND = 265 μA with 200 mA load  
1
2
Low shutdown current: <1 µA  
Low dropout voltage: 140 mV at 200 mA load  
Initial accuracy: 1%  
Accuracy over line, load, and temperature: 2.5%  
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  
V
= 1.8V  
OUT  
V
= 2.3V  
OUT  
IN  
VIN  
VOUT  
A
B
C
C
IN  
1µF  
TOP VIEW  
(Not to Scale)  
ON  
EN  
GND  
OFF  
Figure 2. WLCSP ADP151 with Fixed Output Voltage, 1.8 V  
V
= 2.3V  
1µF  
V
= 1.8V  
IN  
OUT  
6
1
2
3
Internal pull-down resistor on EN input  
5-lead TSOT package  
6-lead LFCSP package  
VIN  
NC  
VOUT  
1µF  
ADP151  
TOP VIEW  
5
4
NC  
ON  
(Not to Scale)  
EN  
GND  
OFF  
4-ball, 0.4 mm pitch WLCSP  
NC = NO CONNECT. DO NOT  
CONNECT TO THIS PIN.  
APPLICATIONS  
RF, VCO, and PLL power supplies  
Mobile phones  
Figure 3. LFCSP ADP151 with Fixed Output Voltage, 1.8 V  
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 µF, 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, 6-lead LFCSP, 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. D  
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  
rightsof third parties that may result fromits 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 andregisteredtrademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
www.analog.com  
Fax: 781.461.3113 ©2010–2011 Analog Devices, Inc. All rights reserved.  
 
 
 
 
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ADP151ACPZ-2.8-R7 替代型号

型号 品牌 替代类型 描述 数据表
NCP500SQL28T1G ONSEMI

类似代替

 150 mA CMOS Low Noise Low−Dropout Voltage Regulator
NCP500SQL28T1 ONSEMI

类似代替

 150 mA CMOS Low Noise Low-Dropout Voltage Regulator
TPS78228QDRVRQ1 TI

功能相似

 150-mA, ULTRA-LOW QUIESCENT CURRENT, 1-μA IQ

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