Overview
The ADP151ACBZ-1.2-R7, produced by Analog Devices Inc., is an ultralow noise, low dropout (LDO) linear regulator. This device operates from an input voltage range of 2.2 V to 5.5 V and provides up to 200 mA of output current. It is designed for stable operation with small 1 µF ceramic input and output capacitors, making it ideal for high-performance, space-constrained applications. The ADP151 is particularly suited for noise-sensitive analog and RF applications due to its innovative circuit topology that achieves ultralow noise performance without the need for a noise bypass capacitor.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage Range | VIN | 2.2 | 5.5 | V | |
| Output Voltage | VOUT | 1.2 | 1.2 | V | |
| Output Current | IOUT | 200 | mA | ||
| Dropout Voltage (IOUT = 200 mA) | VDROPOUT | 135 | 230 | mV | |
| Quiescent Current (IOUT = 0 mA) | IGND | 10 | µA | ||
| Quiescent Current (IOUT = 200 mA) | IGND | 265 | µA | ||
| Shutdown Current | < 1 | µA | |||
| Noise (rms) | 9 | µV | |||
| Operating Temperature Range | TJ | -40 | 125 | °C | |
| Package Types | TSOT, LFCSP, WLCSP |
Key Features
- Ultralow Noise: Achieves 9 µV rms noise without the need for a noise bypass capacitor, making it ideal for noise-sensitive analog and RF applications.
- Low Dropout Voltage: 135 mV dropout voltage at 200 mA load, improving efficiency and allowing operation over a wide input voltage range.
- Low Quiescent Current: 265 µA of operating supply current at 200 mA load, suitable for battery-operated portable equipment.
- Stable Operation with Small Capacitors: Designed for stable operation with 1 µF ceramic input and output capacitors.
- Multiple Output Voltage Options: Available in 16 fixed output voltage options ranging from 1.1 V to 3.3 V.
- Protection Circuits: Includes short-circuit and thermal overload protection circuits to prevent damage in adverse conditions.
- Compact Packages: Available in tiny 5-lead TSOT, 6-lead LFCSP, and 4-ball WLCSP packages for the smallest footprint solution.
Applications
- Noise-Sensitive Analog and RF Applications: Ideal for applications requiring low noise, such as audio, medical devices, and RF circuits.
- Battery-Operated Portable Equipment: Suitable for devices like smartphones, tablets, and other portable electronics due to its low quiescent current and low dropout voltage.
- High-Performance, Space-Constrained Applications: Used in applications where small footprint and high performance are critical, such as in IoT devices and wearables.
Q & A
- What is the input voltage range of the ADP151ACBZ-1.2-R7?
The input voltage range is from 2.2 V to 5.5 V.
- What is the maximum output current of the ADP151ACBZ-1.2-R7?
The maximum output current is 200 mA.
- What is the typical noise performance of the ADP151ACBZ-1.2-R7?
The typical noise performance is 9 µV rms.
- Does the ADP151ACBZ-1.2-R7 require a noise bypass capacitor?
No, it does not require a noise bypass capacitor due to its innovative circuit topology.
- What are the available package types for the ADP151ACBZ-1.2-R7?
The available package types are TSOT, LFCSP, and WLCSP.
- What is the quiescent current of the ADP151ACBZ-1.2-R7 at full load?
The quiescent current is typically 265 µA at 200 mA load.[
- Does the ADP151ACBZ-1.2-R7 have built-in protection circuits?
Yes, it includes short-circuit and thermal overload protection circuits.[
- What is the operating temperature range of the ADP151ACBZ-1.2-R7?
The operating temperature range is from -40°C to 125°C.[
- Can the ADP151ACBZ-1.2-R7 be used in battery-operated devices?
Yes, it is suitable for battery-operated portable equipment due to its low quiescent current and low dropout voltage.[
- How many fixed output voltage options are available for the ADP151?
The ADP151 is available in 16 fixed output voltage options ranging from 1.1 V to 3.3 V.[
