Overview
The ADP151ACPZ-3.3-R7 is an ultralow noise, low dropout (LDO) linear regulator produced by Analog Devices Inc. This component 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 specifically 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 | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 2.2 | 5.5 | V | |
| Output Voltage | 3.3 | V | ||
| Output Current | 200 | mA | ||
| Dropout Voltage (IOUT = 200 mA) | 135 | 200 | mV | |
| Quiescent Current (IGND) at IOUT = 0 mA | 10 | μA | ||
| Quiescent Current (IGND) at IOUT = 200 mA | 265 | μA | ||
| Shutdown Current | <1 | μA | ||
| Noise (RMS) | 9 | μV | ||
| Start-Up Time | 180 | μs |
Key Features
- Ultralow noise: 9 µV rms, making it suitable for noise-sensitive analog and RF applications.
- No noise bypass capacitor required.
- Stable with 1 µF ceramic input and output capacitors.
- Low dropout voltage: 135 mV at 200 mA load.
- Low quiescent current: 10 µA with IOUT = 0 mA and 265 µA with IOUT = 200 mA.
- Low shutdown current: <1 µA.
- Short-circuit and thermal overload protection circuits.
- Available in tiny 5-lead TSOT, 6-lead LFCSP, and 4-ball, 0.4 mm pitch, halide-free WLCSP packages.
Applications
The ADP151ACPZ-3.3-R7 is designed for use in various applications, including:
- Battery-operated portable equipment due to its low quiescent current and low dropout voltage.
- Noise-sensitive analog and RF applications where ultralow noise performance is critical.
- High-performance, space-constrained applications requiring stable operation with small ceramic capacitors.
Q & A
- What is the input voltage range of the ADP151ACPZ-3.3-R7? The input voltage range is from 2.2 V to 5.5 V.
- What is the maximum output current of the ADP151ACPZ-3.3-R7? The maximum output current is 200 mA.
- What is the typical dropout voltage at 200 mA load? The typical dropout voltage is 135 mV.
- Does the ADP151ACPZ-3.3-R7 require a noise bypass capacitor? No, it does not require a noise bypass capacitor.
- What are the package options available for the ADP151ACPZ-3.3-R7? It is available in 5-lead TSOT, 6-lead LFCSP, and 4-ball, 0.4 mm pitch, halide-free WLCSP packages.
- What is the quiescent current when the output current is 0 mA? The quiescent current is 10 µA when the output current is 0 mA.
- What is the shutdown current of the ADP151ACPZ-3.3-R7? The shutdown current is less than 1 µA.
- Does the ADP151ACPZ-3.3-R7 have short-circuit and thermal overload protection? Yes, it includes short-circuit and thermal overload protection circuits.
- What is the typical start-up time of the ADP151ACPZ-3.3-R7? The typical start-up time is 180 µs.
- What is the noise performance of the ADP151ACPZ-3.3-R7? The noise performance is 9 µV rms.
