Overview
The ADP151ACBZ-2.85-R7 is an ultralow noise, low dropout (LDO) linear regulator produced by Analog Devices Inc. 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 noise-sensitive analog and RF applications, making it ideal for use in battery-operated portable equipment and other high-performance, space-constrained applications.
Key Specifications
| Parameter | Symbol | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Voltage Range | VIN | 2.2 | 5.5 | V | ||
| Output Current | IOUT | 200 | mA | |||
| Output Voltage | VOUT | 1.1 | 2.85 | 3.3 | V | |
| Dropout Voltage | VDROPOUT | IOUT = 200 mA | 135 | mV | ||
| Noise | VNOISE | 9 | µV rms | |||
| Quiescent Current | IGND | IOUT = 0 mA | 10 | µA | ||
| Quiescent Current | IGND | IOUT = 200 mA | 265 | µA | ||
| Shutdown Current | ISHDN | <1 | µA | |||
| Operating Temperature Range | TJ | -40 | 125 | °C |
Key Features
- Ultralow Noise: 9 µV rms, making it suitable for noise-sensitive analog and RF applications.
- No Noise Bypass Capacitor Required: Achieves ultralow noise performance without the need for a bypass capacitor.
- Stable Operation with Small Capacitors: Stable with 1 µF ceramic input and output capacitors.
- Low Dropout Voltage: 135 mV at 200 mA load, improving efficiency and allowing operation over a wide input voltage range.
- Low Quiescent Current: 10 µA with IOUT = 0 mA and 265 µA with IOUT = 200 mA.
- Low Shutdown Current: Less than 1 µA.
- Short-Circuit and Thermal Overload Protection: Prevents damage in adverse conditions.
- Multiple Package Options: Available in 5-lead TSOT, 6-lead LFCSP, and 4-ball WLCSP packages.
Applications
- Noise-Sensitive Analog and RF Applications: Ideal for use in applications requiring low noise, such as audio equipment, medical devices, and RF circuits.
- Battery-Operated Portable Equipment: Suitable for devices that require low power consumption and high efficiency.
- High-Performance, Space-Constrained Applications: Used in applications where small footprint and high performance are critical.
Q & A
- What is the input voltage range of the ADP151ACBZ-2.85-R7?
The input voltage range is from 2.2 V to 5.5 V.
- What is the maximum output current of the ADP151ACBZ-2.85-R7?
The maximum output current is 200 mA.
- What is the typical noise performance of the ADP151ACBZ-2.85-R7?
The typical noise performance is 9 µV rms.
- Does the ADP151ACBZ-2.85-R7 require a noise bypass capacitor?
No, it does not require a noise bypass capacitor.
- What are the package options available for the ADP151ACBZ-2.85-R7?
It is available in 5-lead TSOT, 6-lead LFCSP, and 4-ball WLCSP packages.
- What is the quiescent current of the ADP151ACBZ-2.85-R7 at zero load?
The quiescent current is 10 µA at zero load.
- What is the dropout voltage of the ADP151ACBZ-2.85-R7 at 200 mA load?
The dropout voltage is 135 mV at 200 mA load.
- Does the ADP151ACBZ-2.85-R7 have built-in protection features?
- What is the operating temperature range of the ADP151ACBZ-2.85-R7?
The operating temperature range is from -40°C to 125°C.
- How do you enable and disable the output of the ADP151ACBZ-2.85-R7?
The output can be enabled and disabled using the EN pin. When EN is high, VOUT turns on, and when EN is low, VOUT turns off.
