Overview
The ADP121-AUJZ15R7 is a low dropout, linear voltage regulator produced by Analog Devices Inc. This regulator is designed to operate from an input voltage range of 2.3 V to 5.5 V and provides an output current of up to 150 mA. It is particularly suited for battery-operated portable equipment due to its low quiescent current of 30 μA at full load. The ADP121-AUJZ15R7 is available in a 5-lead TSOT package and is optimized for stable operation with small 1 μF ceramic output capacitors, ensuring good transient performance and minimal board area.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Voltage Range | VIN | TJ = −40°C to +125°C | 2.3 | 5.5 | V | |
| Output Voltage | VOUT | 1.5 | V | |||
| Output Current | IOUT | 150 | mA | |||
| Quiescent Current | IGND | IOUT = 150 mA | 30 | 40 | μA | |
| Dropout Voltage | VDO | IOUT = 150 mA | 135 | mV | ||
| Undervoltage Lockout (Rising) | UVLORISE | 2.25 | V | |||
| Undervoltage Lockout (Falling) | UVLOFALL | 1.5 | V | |||
| Output Noise (10 Hz to 100 kHz) | OUTNOISE | VIN = 5 V, VOUT = 1.5 V | 52 | μV rms | ||
| Power Supply Rejection Ratio (PSRR) | PSRR | 10 kHz, VIN = 5 V, VOUT = 1.5 V | 66 | dB | ||
| Package Type | 5-Lead TSOT | |||||
| Operating Temperature Range | TJ | −40 | +125 | °C |
Key Features
- Low dropout voltage of 135 mV at 150 mA load, enhancing efficiency and allowing operation over a wide input voltage range.
- Low quiescent current of 30 μA at full load, making it ideal for battery-operated portable equipment.
- Available in output voltages ranging from 1.2 V to 3.3 V.
- Optimized for stable operation with small 1 μF ceramic output capacitors, ensuring good transient performance and minimal board area.
- Short-circuit protection and thermal overload protection circuits to prevent damage in adverse conditions.
- Compact 5-lead TSOT and 4-ball 0.4 mm pitch halide-free WLCSP packages, suitable for a variety of portable applications.
Applications
- Battery-operated portable equipment such as smartphones, tablets, and handheld devices.
- Wireless communication devices, including Bluetooth and Wi-Fi modules.
- Medical devices, such as portable diagnostic equipment and wearable health monitors.
- Consumer electronics, including digital cameras and audio players.
- Industrial control systems and IoT devices requiring low power consumption and high efficiency.
Q & A
- What is the input voltage range of the ADP121-AUJZ15R7?
The input voltage range is from 2.3 V to 5.5 V.
- What is the maximum output current of the ADP121-AUJZ15R7?
The maximum output current is up to 150 mA.
- What is the quiescent current of the ADP121-AUJZ15R7 at full load?
The quiescent current at full load is 30 μA.
- What is the dropout voltage of the ADP121-AUJZ15R7 at 150 mA load?
The dropout voltage at 150 mA load is 135 mV.
- What type of protection features does the ADP121-AUJZ15R7 have?
The ADP121-AUJZ15R7 has short-circuit protection and thermal overload protection circuits.
- What are the available output voltages for the ADP121 series?
The ADP121 series is available in output voltages ranging from 1.2 V to 3.3 V.
- What type of package is the ADP121-AUJZ15R7 available in?
The ADP121-AUJZ15R7 is available in a 5-lead TSOT package.
- What is the operating temperature range of the ADP121-AUJZ15R7?
The operating temperature range is from −40°C to +125°C.
- Is the ADP121-AUJZ15R7 suitable for battery-operated devices?
Yes, it is ideal for battery-operated portable equipment due to its low quiescent current.
- What kind of capacitors are recommended for use with the ADP121-AUJZ15R7?
The ADP121-AUJZ15R7 is optimized for stable operation with small 1 μF ceramic output capacitors.
