Overview
The ADP121-ACBZ33R7 is a low dropout linear regulator produced by Analog Devices Inc. This component is part of the ADP121 series, known for its high efficiency and stability in a wide range of applications. The ADP121-ACBZ33R7 operates from an input voltage range of 2.3 V to 5.5 V and provides a fixed output voltage of 3.3 V with a maximum output current of 150 mA. It is particularly suited for battery-operated portable equipment due to its low quiescent current of 30 μA at full load.
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 | 3.3 | V | |||
| Output Current Range | IOUT | 0 | 150 | mA | ||
| Dropout Voltage | VDO | IOUT = 150 mA | 135 | mV | ||
| Quiescent Current | IGND | IOUT = 150 mA | 30 | 40 | μA | |
| Operating Temperature Range | TJ | −40 | +125 | °C | ||
| Power Supply Rejection Ratio (PSRR) | PSRR | 10 kHz, VIN = 5 V, VOUT = 3.3 V | 60 | dB | ||
| Output Noise | OUTNOISE | 10 Hz to 100 kHz, VIN = 5 V, VOUT = 3.3 V | 65 | μV rms |
Key Features
- Low Dropout Voltage: The ADP121-ACBZ33R7 features a low dropout voltage of 135 mV at 150 mA load, enhancing efficiency and allowing operation over a wide input voltage range.
- Low Quiescent Current: With a quiescent current of 30 μA at full load, this regulator is ideal for battery-operated portable equipment.
- Stable Operation with Small Capacitors: Optimized for use with small 1 μF ceramic capacitors, the ADP121 provides excellent transient performance.
- Short-Circuit and Thermal Protection: The regulator includes short-circuit protection and thermal overload protection circuits to prevent damage in adverse conditions.
- Compact Packaging: Available in a tiny 4-ball 0.4 mm pitch halide-free WLCSP package, making it suitable for space-constrained applications.
Applications
The ADP121-ACBZ33R7 is designed for use in a variety of portable and battery-operated devices, including:
- Battery-powered handheld devices
- Wireless communication devices
- Medical devices
- Consumer electronics requiring low power consumption and high efficiency
Q & A
- What is the input voltage range of the ADP121-ACBZ33R7?
The input voltage range is from 2.3 V to 5.5 V.
- What is the fixed output voltage of the ADP121-ACBZ33R7?
The fixed output voltage is 3.3 V.
- What is the maximum output current of the ADP121-ACBZ33R7?
The maximum output current is 150 mA.
- What is the dropout voltage at 150 mA load?
The dropout voltage is 135 mV at 150 mA load.
- What is the quiescent current at full load?
The quiescent current is 30 μA at full load.
- Does the ADP121-ACBZ33R7 have built-in protection features?
Yes, it includes short-circuit protection and thermal overload protection circuits.
- What type of packaging is available for the ADP121-ACBZ33R7?
It is available in a 4-ball 0.4 mm pitch halide-free WLCSP package.
- What is the operating temperature range of the ADP121-ACBZ33R7?
The operating temperature range is from −40°C to +125°C.
- Is the ADP121-ACBZ33R7 suitable for battery-operated devices?
Yes, it is ideal for battery-operated portable equipment due to its low quiescent current.
- What is the power supply rejection ratio (PSRR) of the ADP121-ACBZ33R7?
The PSRR is 60 dB at 10 kHz, VIN = 5 V, and VOUT = 3.3 V.
