Overview
Features and Benefits
- Maximum output current: 300 mA
- Input voltage range: 2.5 V to 5.5 V
- Light load efficient
IGND = 75 μA with 100 μA load - Low shutdown current: <1 μA
- Very low dropout voltage: 170 mV @ 300 mA load
- Initial accuracy: ±1%
- Accuracy over line, load, and temperature: ±2%
- 16 fixed output voltage options with tracking: 0.75 V to 3.3 V
- Low output noise: 40 μV rms
- High PSRR: 72 dB @ 1 kHz
- Stable with small 2.2 μF ceramic output capacitor
- See data sheet for additional features
Product Details
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 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.
APPLICATIONS
- Mobile phones
- Digital camera and audio devices
- Portable and battery-powered equipment
- Post dc-dc regulation
Product Categories
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (3)
Documentation & Resources
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FAQs7/26/2017
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Ask The Applications Engineer—37: Low-Dropout Regulators5/1/2007 Analog Dialogue
Tools & Simulations
Design Tool
ADI Linear Regulator Design Tool and Parametric Search
Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
| Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
|---|---|---|---|---|
| ADP1714AUJZ-1.2-R7 | Material Declaration | Reliability Data | 5-Lead TSOT | |
| ADP1714AUJZ-2.5-R7 | Material Declaration | Reliability Data | 5-Lead TSOT | |
| ADP1714AUJZ-3.3-R7 | Material Declaration | Reliability Data | 5-Lead TSOT | |
| Wafer Fabrication Data |
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Evaluation Boards
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.