Overview
The ADP151AUJZ-3.0-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 can provide up to 200 mA of output current. It is designed for noise-sensitive analog and RF applications, achieving superior noise performance without the need for a noise bypass capacitor. The ADP151 is suitable for battery-operated portable equipment due to its low quiescent current and low shutdown current consumption.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 2.2 | - | 5.5 | V |
| Output Current | - | - | 200 | mA |
| Output Voltage Options | 1.1 | - | 3.3 | V |
| Dropout Voltage (IOUT = 200 mA) | - | 135 | 230 | mV |
| Quiescent Current (IOUT = 200 mA) | - | 265 | - | μA |
| Shutdown Current | - | <1 | - | μA |
| Noise Performance | - | 9 | - | μV rms |
| Operating Temperature Range | -40 | - | 125 | °C |
| Current Limit Threshold | 220 | - | 400 | mA |
| Thermal Shutdown Temperature | - | 150 | - | °C |
Key Features
- Ultralow noise performance of 9 µV rms, making it ideal for noise-sensitive analog and RF applications.
- No need for a noise bypass capacitor due to innovative circuit topology.
- Stable operation with small 1 µF, ±30% ceramic input and output capacitors.
- Low quiescent current of 265 μA at full load and low shutdown current consumption of less than 1 μA.
- Low dropout voltage of 135 mV at 200 mA load, improving efficiency and allowing operation over a wide input voltage range.[
- Internal pull-down resistor on the EN input and soft-start to limit inrush current.[
- Short-circuit and thermal overload protection circuits to prevent damage in adverse conditions.[
- Available in 5-lead TSOT, 6-lead LFCSP, and 4-ball WLCSP packages for compact footprint solutions.[
Applications
- Noise-sensitive analog and RF applications.
- Battery-operated portable equipment due to low quiescent current and low shutdown current consumption.[
- High-performance, space-constrained applications requiring stable operation with small ceramic capacitors.[
- General power management in devices requiring low noise and high efficiency.[
Q & A
- What is the input voltage range of the ADP151AUJZ-3.0-R7?
The input voltage range is from 2.2 V to 5.5 V.
- What is the maximum output current of the ADP151AUJZ-3.0-R7?
The maximum output current is 200 mA.
- What is the typical noise performance of the ADP151AUJZ-3.0-R7?
The typical noise performance is 9 µV rms.
- Does the ADP151AUJZ-3.0-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 output voltage options for the ADP151AUJZ-3.0-R7?
The output voltage options range from 1.1 V to 3.3 V.[
- What is the quiescent current of the ADP151AUJZ-3.0-R7 at full load?
The quiescent current at full load is typically 265 μA.[
- What is the dropout voltage of the ADP151AUJZ-3.0-R7 at 200 mA load?
The dropout voltage at 200 mA load is typically 135 mV.[
- Does the ADP151AUJZ-3.0-R7 have thermal overload protection?
Yes, it includes thermal overload protection that limits the junction temperature to a maximum of 150°C.[
- What types of packages are available for the ADP151AUJZ-3.0-R7?
The ADP151AUJZ-3.0-R7 is available in 5-lead TSOT, 6-lead LFCSP, and 4-ball WLCSP packages.[
- What are some common applications for the ADP151AUJZ-3.0-R7?
Common applications include noise-sensitive analog and RF applications, battery-operated portable equipment, and high-performance, space-constrained applications.[
