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What is ADP1720?

This electronic component, produced by the manufacturer "Analog Devices", performs the same function as "High-Voltage Micro-power LDO".


ADP1720 Datasheet PDF - Analog Devices

Part Number ADP1720
Description High-Voltage Micro-power LDO
Manufacturers Analog Devices 
Logo Analog Devices Logo 


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Total 9 Pages



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PRELIMINARY TECHNICAL DATA
FEATURES
Wide Input Voltage Range: 4V to 28V
Low Quiescent Current: 25µA
±1% Initial Accuracy
Very Low Dropout Voltage:
300 mV @ 50mA
Fixed 3.3V and 5V Voltage Options
Adjustable Output from 1.2V to 5.0V
Optimized for Small 1µF Ceramic Capacitors
Short Circuit Protection
Thermal Overload Protection
Spacing-saving Thermally Enhanced MSOP package
APPLICATIONS
Industrial Applications
Battery-Power Regulators
50mA High-Voltage
Micro-power LDO in MSOP
ADP1720
GENERAL DESCRIPTION
The ADP1720 is a high-voltage, micro-power, low dropout
linear regulator. Designed for robust operation, the ADP1720
includes current limiting and short-circuit protection, and
thermal overload protection . With just 25µA of quiescent
supply current and a micro-power shutdown mode, this device
is ideal for applications that require low quiescent current. The
small thermally-enhanced MSOP package and 1µF ceramic
output capacitor provides a compact solution with low thermal
resistance for high power dissipation.
The ADP1720 is available in fixed output voltages of 3.3V and
5V, or its output voltage can be adjusted over a range of 1.2V to
5V. The ADP1720 operates over the -40°C to 125°C ambient
temperature range.
TYPICAL APPLICATION CIRCUIT
Figure 1. ADP1720 typical operation circuit for fixed output
voltage options.
Figure 2. ADP1720 typical operation circuit for variable
output voltage options.
Rev. PrA
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 © 2006 Analog Devices, Inc. All rights reserved.
Rev. PrA | Page 1 of 9

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ADP1720 equivalent
PRELIMINARY TECHNICAL DATA
TYPICAL PERFORMANCE CHARACTERISTICS
ADP1720
10.010
10.005
10.000
9.995
9.990
9.985
–40
0 25 85
TEMPERATURE – oC
125
Figure 1. Output Voltage vs. Load Current
2.502
2.501
2.500
2.499
2.498
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE – oC
Figure 3. Output Voltage vs. Temperature
5.008
5.004
5.000
4.996
4.992
–40
0 25 85
TEMPERATURE – oC
125
Figure 2.Ground Current vs. Input Voltage
0.8
0.7
+125oC
0.6 +25oC
–40oC
0.5
0.4
12
16 20 24 28 32 36
INPUT VOLTAGE – V
Figure 4.Ground Current vs. Load Current
40
Rev. PrA | Page 5 of 9


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