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ADP3335ACP-2.85-RL PDF预览

ADP3335ACP-2.85-RL

更新时间: 2024-11-23 14:40:47
品牌 Logo 应用领域
亚德诺 - ADI 光电二极管输出元件调节器
页数 文件大小 规格书
16页 233K
描述
High Accuracy Ultralow Quiescent Current, 500 <span style="text-transform: lowercase;">m</span>A, anyCAPÂ&reg; Low Dropout Package: 8 ld LFCSP (3x3mm); No of Pins: 8; Temperature Range: Industrial; Container: 5000/Reel

ADP3335ACP-2.85-RL 数据手册

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High Accuracy, Ultralow IQ, 500 mA,  
anyCAP® Low Dropout Regulator  
ADP3335  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
High accuracy over line and load: 0.9ꢀ @ 25°C,  
1.8ꢀ over temperature  
Ultralow dropout voltage: 200 mV (typ) @ 500 mA  
Requires only CO = 1.0 µF for stability  
anyCAP = stable with any type of capacitor  
(Including MLCC)  
Q1  
OUT  
NR  
IN  
ADP3335  
R1  
R2  
THERMAL  
PROTECTION  
CC  
DRIVER  
gm  
SD  
+
BANDGAP  
REF  
Current and thermal limiting  
Low noise  
Low shutdown current: < 10 nA (typ)  
2.6 V to 12 V supply range  
–40°C to +85°C ambient temperature range  
GND  
Figure 1.  
5
NR  
APPLICATIONS  
PCMCIA cards  
Cellular phones  
Camcorders, cameras  
Networking systems, DSL/cable modems  
Cable set-top box  
ADP3335  
3
2
1
OUT  
IN  
7
8
OUT  
OUT  
V
V
OUT  
IN  
SD  
IN  
+
+
C
IN  
1µF  
C
OUT  
1µF  
GND  
4
6
ON  
OFF  
MP3/CD players  
Figure 2. Typical Application Circuit  
DSP supplies  
GENERAL DESCRIPTION  
The ADP3335 is a member of the ADP333x family of precision,  
low dropout, anyCAP voltage regulators. It operates with an  
input voltage range of 2.6 V to 12 V, and delivers a continuous  
load current up to 500 mA. The ADP3335 stands out from  
conventional low dropout regulators (LDOs) by using an  
enhanced process enabling it to offer performance advantages  
beyond its competition. Its patented design requires only a  
1.0 µF output capacitor for stability. This device is insensitive to  
output capacitor equivalent series resistance (ESR), and is stable  
with any good quality capacitor—including ceramic (MLCC)  
types for space-restricted applications. The ADP3335 achieves  
exceptional accuracy of 0.ꢀ9 at room temperature and 1.ꢁ9  
over temperature, line, and load.  
The dropout voltage of the ADP3335 is only 200 mV (typical) at  
500 mA. This device also includes a safety current limit, thermal  
overload protection, and a shutdown feature. In shutdown  
mode, the ground current is reduced to less than 1 µA. The  
ADP3335 has a low quiescent current of ꢁ0 µA (typical) in light  
load situations.  
Rev. A  
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  
registered trademarks 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  
Fax: 781.326.8703  
www.analog.com  
© 2004 Analog Devices, Inc. All rights reserved.  

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完全替代

High Accuracy, Ultralow IQ, 500 mA, anyCAP Low Dropout Regulator

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