Overview
The ADP121-ACBZ12R7, produced by Analog Devices Inc., is a low dropout, linear voltage regulator designed for high efficiency and low power consumption. This regulator operates within an input voltage range of 2.3 V to 5.5 V and can provide 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 is available in various output voltages ranging from 1.2 V to 3.3 V, making it versatile for different 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 | |
| Output Voltage | VOUT | 1.2 | 3.3 | V | ||
| Output Current | IOUT | 150 | mA | |||
| Quiescent Current | IGND | IOUT = 150 mA | 30 | 40 | μA | |
| Dropout Voltage | VDO | IOUT = 150 mA | 135 | mV | ||
| Operating Temperature | 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, 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.
- Internal undervoltage lockout circuit to ensure predictable behavior during power-up.
- Enable feature via the EN pin to control the output voltage.
- Short-circuit protection and thermal overload protection to prevent damage in adverse conditions.
- Compact packaging options including 5-lead TSOT and 4-ball 0.4 mm pitch WLCSP packages.
Applications
The ADP121-ACBZ12R7 is suitable for a variety of applications, particularly in battery-operated portable devices such as mobile phones, tablets, and other handheld electronics. It is also used in wearable devices, IoT devices, and other low-power consumer electronics where high efficiency and low quiescent current are critical.
Q & A
- What is the input voltage range of the ADP121-ACBZ12R7? The input voltage range is from 2.3 V to 5.5 V.
- What is the maximum output current of the ADP121-ACBZ12R7? The maximum output current is 150 mA.
- What is the quiescent current of the ADP121-ACBZ12R7 at full load? The quiescent current is 30 μA at full load.
- What are the available output voltages for the ADP121-ACBZ12R7? The available output voltages range from 1.2 V to 3.3 V.
- Does the ADP121-ACBZ12R7 have built-in protection features? Yes, it includes short-circuit protection and thermal overload protection.
- How is the output voltage controlled in the ADP121-ACBZ12R7? The output voltage can be controlled using the EN pin.
- What type of capacitors is the ADP121-ACBZ12R7 optimized for? It is optimized for use with small 1 μF ceramic capacitors.
- What are the packaging options for the ADP121-ACBZ12R7? It is available in 5-lead TSOT and 4-ball 0.4 mm pitch WLCSP packages.
- What is the operating temperature range of the ADP121-ACBZ12R7? The operating temperature range is from −40°C to +125°C.
- Does the ADP121-ACBZ12R7 have an undervoltage lockout feature? Yes, it has an internal undervoltage lockout circuit.
