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| 型号： | ADP121CB-3.3-EVALZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL ADP121-1 3.3V OUTPUT |
| 设计资源： | Low power, Long Range, ISM Wireless Measuring Node (CN0164) |
| 标准包装： | 1 |
| 每 IC 通道数： | 1 - 单 |
| 输出电压： | 3.3V |
| 电流 - 输出： | 150mA |
| 输入电压： | 2.3 ~ 5.5 V |
| 稳压器类型： | 正，固定式 |
| 工作温度： | -40°C ~ 125°C |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | ADP121 |
150 mA, Low Quiescent Current,
CMOS Linear Regulator
Data Sheet
FEATURES
Input voltage range: 2.3 V to 5.5 V
TYPICAL APPLICATION CIRCUITS
Output voltage range: 1.2 V to 3.3 V
V IN = 2.3V
1
VIN
VOUT 5
V OUT = 1.8V
Output current: 150 mA
C IN
C OUT
Low quiescent current
1μF
2
GND
1μF
I GND = 11 μA with 0 μA load
I GND = 30 μA with 150 mA load
Low shutdown current: <1 μA
OFF
ON
3 EN NC 4
NC = NO CONNECT
Low dropout voltage
90 mV @ 150 mA load
High PSRR
Figure 1. ADP121 TSOT with Fixed Output Voltage, 1.8 V
70 dB @ 1 kHz at V OUT = 1.2 V
70 dB @ 10 kHz at V OUT = 1.2 V
Low noise: 40 μV rms at V OUT = 1.2 V
V IN = 2.3V
C IN
1μF
VIN
VOUT
V OUT = 1.8V
C OUT
1μF
No noise bypass capacitor required
ON
Output voltage accuracy: ±1%
OFF
EN
GND
Stable with a small 1 μF ceramic output capacitor
Current limit and thermal overload protection
Logic controlled enable
5-lead TSOT package
4-ball 0.4 mm pitch WLCSP
APPLICATIONS
Mobile phones
Digital cameras and audio devices
Portable and battery-powered equipment
Post dc-to-dc regulation
Post regulation
GENERAL DESCRIPTION
The ADP121 is a quiescent current, low dropout, linear regulator
that operates from 2.3 V to 5.5 V and provides up to 150 mA of
output current. The low 135 mV dropout voltage at 150 mA
load improves efficiency and allows operation over a wide
input voltage range. The low 30 μA of quiescent current at full
load makes the ADP121 ideal for battery-operated portable
equipment.
Figure 2. ADP121 WLCSP with Fixed Output Voltage, 1.8 V
The ADP121 is available in output voltages ranging from 1.2 V
to 3.3 V. The parts are optimized for stable operation with small
1 μF ceramic output capacitors. The ADP121 delivers good
transient performance with minimal board area.
Short-circuit protection and thermal overload protection circuits
prevent damage in adverse conditions. The ADP121 is available
in a tiny 5-lead TSOT and 4-ball 0.4 mm pitch halide-free
WLCSP packages and utilizes the smallest footprint solution to
meet a variety of portable applications.
Rev. G
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 www.analog.com
Fax: 781.461.3113 ?2008–2012 Analog Devices, Inc. All rights reserved.
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