Overview
The ADP121-AUJZ25R7 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 up to 150 mA of output current. It is particularly suited for battery-operated portable equipment due to its low quiescent current of 30 μA at full load. The ADP121-AUJZ25R7 is available in a 5-lead TSOT package, offering a compact footprint for various portable applications.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Voltage Range | VIN | TJ = −40°C to +125°C | 2.3 | 5.5 | V | |
| Operating Supply Current | IGND | IOUT = 0 μA | 11 | 21 | μA | |
| IOUT = 10 mA | 15 | 29 | μA | |||
| IOUT = 150 mA | 30 | 40 | μA | |||
| Output Voltage | VOUT | 2.5 | V | |||
| Maximum Output Current | IOUT | 150 | mA | |||
| UnderVoltage LockOut (UVLO) | UVLORISE | Input Voltage Rising | 2.25 | V | ||
| UVLOFALL | Input Voltage Falling | 1.5 | V | |||
| UVLOHYS | Hysteresis | 120 | mV | |||
| Output Noise | OUTNOISE | 10 Hz to 100 kHz, VIN = 5 V, VOUT = 2.5 V | 52 | μV rms | ||
| Power Supply Rejection Ratio (PSRR) | PSRR | 10 kHz, VIN = 5 V, VOUT = 2.5 V | 66 | dB | ||
| Minimum Operating Temperature | -40 | °C | ||||
| Maximum Operating Temperature | 125 | °C | ||||
| Package Type | TSOT-23-5 |
Key Features
- Low Dropout Voltage: 135 mV at 150 mA load, enhancing efficiency and allowing operation over a wide input voltage range.
- Low Quiescent Current: 30 μA at full load, ideal for battery-operated portable equipment.
- Stable Operation: Optimized for use with small 1 μF ceramic output capacitors, providing excellent transient performance.
- Protection Features: Includes short-circuit protection and thermal overload protection to prevent damage in adverse conditions.
- Compact Package: Available in a tiny 5-lead TSOT and 4-ball 0.4 mm pitch halide-free WLCSP packages, suitable for space-constrained applications.
- High PSRR: Power Supply Rejection Ratio of up to 66 dB at 10 kHz, ensuring stable output voltage.
Applications
- Battery-Operated Devices: Ideal for portable equipment such as smartphones, tablets, and other handheld devices due to its low quiescent current and compact package.
- Wearable Electronics: Suitable for wearables like smartwatches and fitness trackers where space and power efficiency are critical.
- IoT Devices: Can be used in Internet of Things (IoT) devices that require stable and efficient voltage regulation.
- Medical Devices: Applicable in medical devices where low noise and high stability are essential.
Q & A
- What is the input voltage range of the ADP121-AUJZ25R7?
The input voltage range is from 2.3 V to 5.5 V.
- What is the maximum output current of the ADP121-AUJZ25R7?
The maximum output current is 150 mA.
- What is the typical quiescent current of the ADP121-AUJZ25R7 at full load?
The typical quiescent current at full load is 30 μA.
- What type of protection features does the ADP121-AUJZ25R7 have?
The ADP121-AUJZ25R7 includes short-circuit protection and thermal overload protection.
- What is the output voltage of the ADP121-AUJZ25R7?
The output voltage is fixed at 2.5 V.
- What is the Power Supply Rejection Ratio (PSRR) of the ADP121-AUJZ25R7?
The PSRR is up to 66 dB at 10 kHz.
- What type of package is the ADP121-AUJZ25R7 available in?
The ADP121-AUJZ25R7 is available in a 5-lead TSOT package.
- What is the operating temperature range of the ADP121-AUJZ25R7?
The operating temperature range is from -40°C to +125°C.
- Is the ADP121-AUJZ25R7 RoHS compliant?
Yes, the ADP121-AUJZ25R7 is RoHS compliant.
- What type of capacitors is the ADP121-AUJZ25R7 optimized for?
The ADP121-AUJZ25R7 is optimized for use with small 1 μF ceramic output capacitors.
