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| 型号： | ADP1714AUJZ-3.0-R7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 3V .3A 5TSOT |
| 产品培训模块： | Power Line Monitoring |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 3V |
| 输入电压： | 最高 5.5V |
| 电压 - 压降（标准）： | 0.17V @ 300mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA（最小值） |
| 电流 - 限制（最小）： | 380mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 供应商设备封装： | TSOT-23-5 |
| 包装： | 标准包装 |
| 产品目录页面： | 794 (CN2011-ZH PDF) |
| 其它名称： | ADP1714AUJZ-3.0-R7DKR |
300 mA, Low Dropout
CMOS Linear Regulator
ADP1712/ADP1713/ADP1714
FEATURES
Maximum output current: 300 mA
TYPICAL APPLICATION CIRCUITS
ADP1712
Input voltage range: 2.5 V to 5.5 V
V IN = 5V
1
IN
OUT
5
V OUT = 3.3V
Light load efficient
2.2μF
2.2μF
I GND = 75 μA with 100 μA load
Low shutdown current: <1 μA
2
3
GND
EN
SS
4
10nF
Very low dropout voltage: 170 mV @ 300 mA load
Initial accuracy: ±1%
Figure 1. ADP1712 with Fixed Output Voltage and Soft-Start Capacitor, 3.3 V
Accuracy over line, load, and temperature: ±2%
16 fixed output voltage options with soft start:
0.75 V to 3.3 V (ADP1712)
Adjustable output voltage option: 0.8 V to 5.0 V
V IN = 5.5V
2.2μF
1
2
ADP1712
ADJUSTABLE
IN OUT
GND
V OUT = 0.8V(1 + R1/R2)
5
2.2μF
(ADP1712 Adjustable)
16 fixed output voltage options with reference bypass:
3
EN
ADJ
4
R1
R2
0.75 V to 3.3 V (ADP1713)
16 fixed output voltage options with tracking:
0.75 V to 3.3 V (ADP1714)
Figure 2. ADP1712 with Adjustable Output Voltage, 0.8 V to 5.0 V
Low output noise: 40 μV rms
High PSRR: 72 dB @ 1 kHz
Stable with small 2.2 μF ceramic output capacitor
V IN = 3V
2.2μF
1
2
ADP1713
IN OUT
GND
5
V OUT = 0.75V
2.2μF
Excellent load/line transient response
10nF
Current limit and thermal overload protection
3
EN
BYP
4
Logic controlled enable
5-lead TSOT package
Figure 3. ADP1713 with Fixed Output Voltage and Bypass Capacitor, 0.75 V
APPLICATIONS
V IN = 3V
ADP1714
V OUT
V OUT (V)
Mobile phones
2.2μF
1
IN
OUT
5
2.2μF
3
Digital camera and audio devices
2
GND
2
Portable and battery-powered equipment
Post dc-dc regulation
3
EN
TRK
4
0V TO 5V
1
0
1 2 3 4 5
V TRK (V)
Figure 4. ADP1714 with Output Voltage Tracking
GENERAL DESCRIPTION
The ADP1712/ADP1713/ADP1714, available in a tiny, 5-lead
TSOT package, are low dropout linear regulators that operate
from 2.5 V to 5.5 V and provide up to 300 mA of output current.
The low 170 mV dropout voltage at a 300 mA load improves
efficiency and allows operation over a wide input voltage range.
Using a novel scaling architecture, ground current is a very low
75 μA when driving a 100 μA load, making the ADP1712/
ADP1713/ADP1714 ideal for battery-operated portable equipment.
The ADP1712/ADP1713/ADP1714 are available in 16 fixed
output voltage options. The ADP1712 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 ADP1712 fixed version
allows an external capacitor to be connected to program the
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.
soft-start time. The ADP1713 allows a reference bypass capacitor
to be connected, which reduces output voltage noise and
improves power supply rejection. The ADP1714 includes a
tracking feature, which allows the output to follow an external
voltage rail or reference.
The ADP1712/ADP1713/ADP1714 are optimized for stable
operation with small 2.2 μF ceramic output capacitors, allowing
good transient performance while occupying minimal board
space. An enable pin controls the output voltage on all devices,
and an undervoltage lockout circuit disables the regulator if IN
drops below a minimum threshold. The parts also have short
circuit protection and thermal overload protection, which
prevent damage to the devices in adverse conditions.
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 ?2007–2009 Analog Devices, Inc. All rights reserved.
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