Overview
The ADP1712AUJZ-1.2-R7 is a low dropout linear regulator (LDO) produced by Analog Devices Inc. This component is designed to provide stable and efficient voltage regulation, making it ideal for a variety of applications, particularly in battery-operated portable equipment. The ADP1712 series operates from an input voltage range of 2.5 V to 5.5 V and can deliver up to 300 mA of output current. The low dropout voltage of 170 mV at a 300 mA load enhances efficiency and allows operation over a wide input voltage range.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range (VIN) | 2.5 | 5.5 | V | |
| Output Voltage (VOUT) | 1.2 | V | ||
| Output Current (IOUT) | 300 | mA | ||
| Dropout Voltage (VDROP) | 170 | mV | ||
| Operating Supply Current (IGND) | 75 | 420 | μA | |
| Shutdown Current (IGND-SD) | 0.1 | 1.0 | μA | |
| Output Voltage Accuracy | -1 | +1 | % | |
| Package | SOT-23-5 Thin, TSOT-23-5 |
Key Features
- Low Dropout Voltage: 170 mV at 300 mA load, enhancing efficiency and allowing operation over a wide input voltage range.
- Low Ground Current: As low as 75 μA when driving a 100 μA load, making it suitable for battery-operated devices.
- Programmable Soft-Start: Allows for controlled startup and voltage sequencing by connecting an external capacitor to the SS pin.
- Reference Bypass Capacitor: Available on the ADP1713, reduces output voltage noise and improves power supply rejection.
- Tracking Feature: Available on the ADP1714, allows the output to follow an external voltage rail or reference.
- Enable Function: The output can be turned on or off via the EN pin.
- Compact Package: SOT-23-5 Thin, TSOT-23-5 package, minimizing board space.
Applications
The ADP1712AUJZ-1.2-R7 is suitable for various applications, including:
- Battery-operated portable equipment due to its low ground current and low dropout voltage.
- Wireless devices and handheld electronics where power efficiency is crucial.
- Industrial control systems and medical devices requiring stable and regulated voltage supplies.
- Consumer electronics such as smartphones, tablets, and other mobile devices.
Q & A
- What is the input voltage range of the ADP1712AUJZ-1.2-R7? The input voltage range is from 2.5 V to 5.5 V.
- What is the maximum output current of the ADP1712AUJZ-1.2-R7? The maximum output current is 300 mA.
- What is the dropout voltage of the ADP1712AUJZ-1.2-R7 at 300 mA load? The dropout voltage is 170 mV.
- How can the soft-start time be programmed in the ADP1712? The soft-start time can be programmed by connecting an external capacitor to the SS pin.
- What is the purpose of the reference bypass capacitor in the ADP1713? The reference bypass capacitor reduces output voltage noise and improves power supply rejection.
- What is the tracking feature in the ADP1714? The tracking feature allows the output to follow an external voltage rail or reference.
- How is the output of the ADP1712AUJZ-1.2-R7 enabled or disabled? The output is enabled or disabled via the EN pin.
- What is the package type of the ADP1712AUJZ-1.2-R7? The package type is SOT-23-5 Thin, TSOT-23-5.
- What are some typical applications of the ADP1712AUJZ-1.2-R7? Typical applications include battery-operated portable equipment, wireless devices, industrial control systems, and consumer electronics.
- How does the ADP1712AUJZ-1.2-R7 improve power efficiency? It improves power efficiency through its low dropout voltage and low ground current.
