Overview
The ADP1713AUJZ-1.8-R7 is a low dropout linear regulator (LDO) produced by Analog Devices Inc. This component is part of the ADP1712/ADP1713/ADP1714 series, which are designed for stable operation with small output capacitors, ensuring good transient performance and efficiency. The ADP1713AUJZ-1.8-R7 is specifically configured to provide a fixed output voltage of 1.8V and can supply up to 300 mA of output current. It is optimized for use in battery-operated portable equipment due to its low ground current and shutdown current, making it an ideal choice for power management in various electronic devices.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Input Voltage Range | 2.5 V to 5.5 V | |
| Output Voltage | 1.8 V (fixed) | |
| Maximum Output Current | 300 mA | |
| Dropout Voltage | 170 mV @ 300 mA load | VOUT ≥ 3.0 V |
| Ground Current | 75 μA with 100 μA load | |
| Shutdown Current | <1 μA | |
| Line Regulation | ±0.25 %/V | VIN = (VOUT + 0.5 V) to 5.5 V, TJ = –40°C to +125°C |
| Load Regulation | ±0.004 %/mA | IOUT = 10 mA to 300 mA, TJ = –40°C to +125°C |
| Output Noise Reduction | Capacitor between BYP and GND (10 nF recommended) |
Key Features
- Low Dropout Voltage: 170 mV at 300 mA load, ensuring high efficiency over a wide input voltage range.
- Low Ground Current: 75 μA with a 100 μA load, making it suitable for battery-operated devices.
- Low Shutdown Current: Less than 1 μA, reducing power consumption in standby mode.
- High Accuracy: Initial accuracy and line/load regulation ensure stable output voltage.
- Noise Reduction: Option to connect a bypass capacitor to reduce internal reference noise.
- Soft Start Capability: External capacitor can be connected to program the soft-start time.
- Tracking Feature: Available in the ADP1714 variant, allowing the output to follow an external voltage rail or reference.
Applications
- Battery-Operated Portable Equipment: Ideal for devices requiring low power consumption and high efficiency.
- Wireless Devices: Suitable for use in wireless communication devices, sensors, and other low-power applications.
- Medical Devices: Can be used in medical devices that require stable and efficient power supply.
- Consumer Electronics: Applicable in various consumer electronics requiring low dropout voltage and high accuracy.
Q & A
- What is the input voltage range of the ADP1713AUJZ-1.8-R7?
The input voltage range is from 2.5 V to 5.5 V.
- What is the maximum output current of the ADP1713AUJZ-1.8-R7?
The maximum output current is 300 mA.
- What is the dropout voltage at 300 mA load for the ADP1713AUJZ-1.8-R7?
The dropout voltage is 170 mV at a 300 mA load.
- How can the output noise be reduced in the ADP1713AUJZ-1.8-R7?
By connecting a capacitor (10 nF recommended) between the BYP and GND pins.
- What is the ground current of the ADP1713AUJZ-1.8-R7 when driving a 100 μA load?
The ground current is 75 μA when driving a 100 μA load.
- Can the ADP1713AUJZ-1.8-R7 be used in battery-operated devices?
Yes, it is ideal for battery-operated devices due to its low ground current and shutdown current.
- What is the shutdown current of the ADP1713AUJZ-1.8-R7?
The shutdown current is less than 1 μA.
- How can the soft-start time be programmed in the ADP1713AUJZ-1.8-R7?
By connecting an external capacitor between the SS and GND pins.
- Is the ADP1713AUJZ-1.8-R7 available in adjustable output voltage versions?
No, the ADP1713AUJZ-1.8-R7 is a fixed output voltage version. However, the ADP1712 series has an adjustable version.
- What are some common applications of the ADP1713AUJZ-1.8-R7?
It is commonly used in battery-operated portable equipment, wireless devices, medical devices, and consumer electronics.
