Overview
The ADP170AUJZ-1.8-R7 is a low voltage input, low quiescent current, low-dropout (LDO) linear regulator produced by Analog Devices Inc. This device operates from an input voltage range of 1.6 V to 3.6 V and provides up to 300 mA of output current. It is designed for high efficiency and stability, making it ideal for battery-operated portable equipment and other applications requiring low power consumption and high performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 1.6 to 3.6 | V |
| Output Voltage | 1.8 | V |
| Output Current | Up to 300 | mA |
| Dropout Voltage | 66 mV at 300 mA | mV |
| Quiescent Current | 23 µA at 0 mA load | µA |
| Output Voltage Accuracy | ±1% | % |
| Power Supply Rejection Ratio (PSRR) | 70 dB at 10 kHz, 73 dB at 1 kHz | dB |
| Noise | 30 µV rms at VOUT = 0.8 V | µV rms |
| Package Type | 5-lead TSOT |
Key Features
- High power supply rejection ratio (PSRR) of 70 dB at 10 kHz and 73 dB at 1 kHz, ensuring clean output voltage.
- Low dropout voltage of 66 mV at 300 mA, enhancing efficiency and allowing operation over a wide input voltage range.
- Low quiescent current of 23 µA at a 0 mA load, making it suitable for battery-operated devices.
- Stable operation with small 1 µF ceramic output capacitors, reducing PCB component count.
- Logic-controlled enable and adjustable output voltage option (for ADP171 model).
- Current limit and thermal overload protection to prevent damage in adverse conditions.
- Compact 5-lead TSOT package for minimal board space.
Applications
- Mobile phones and other portable communication devices.
- Digital cameras and audio devices.
- Portable and battery-powered equipment.
- DSP/FPGA/microprocessor power supplies.
- Post dc-dc regulation in various electronic systems.
Q & A
- What is the input voltage range of the ADP170AUJZ-1.8-R7?
The input voltage range is from 1.6 V to 3.6 V.
- What is the maximum output current of the ADP170AUJZ-1.8-R7?
The maximum output current is up to 300 mA.
- What is the dropout voltage of the ADP170AUJZ-1.8-R7 at 300 mA load?
The dropout voltage is 66 mV at 300 mA load.
- What is the quiescent current of the ADP170AUJZ-1.8-R7 at a 0 mA load?
The quiescent current is 23 µA at a 0 mA load.
- What is the power supply rejection ratio (PSRR) of the ADP170AUJZ-1.8-R7?
The PSRR is 70 dB at 10 kHz and 73 dB at 1 kHz.
- Does the ADP170AUJZ-1.8-R7 have built-in protection features?
Yes, it includes current limit and thermal overload protection.
- What type of package does the ADP170AUJZ-1.8-R7 come in?
The device comes in a compact 5-lead TSOT package.
- Is the ADP170AUJZ-1.8-R7 suitable for battery-operated devices?
Yes, it is suitable due to its low quiescent current and high efficiency.
- Can the output voltage of the ADP170AUJZ-1.8-R7 be adjusted?
No, the ADP170AUJZ-1.8-R7 has a fixed output voltage. However, the ADP171 model offers adjustable output voltage.
- What are some typical applications of the ADP170AUJZ-1.8-R7?
Typical applications include mobile phones, digital cameras, portable and battery-powered equipment, and DSP/FPGA/microprocessor power supplies.
