Overview
The ADP7182AUJZ-5.0-R7 is a high-performance, low dropout (LDO) linear regulator produced by Analog Devices Inc. This CMOS regulator is designed to operate from a wide input voltage range of −2.7 V to −28 V and provides up to −200 mA of output current. It is particularly suited for regulating high-performance analog and mixed signal circuits operating from high voltage rails. The ADP7182 features an advanced proprietary architecture that ensures high power supply rejection and low noise, along with excellent line and load transient response.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Voltage Range | VIN | −2.7 | −28 | V | ||
| Operating Supply Current | IGND | IOUT = 0 μA | −33 | −53 | μA | |
| IOUT = −10 mA | −100 | −150 | μA | |||
| IOUT = −200 mA | −650 | −850 | μA | |||
| Shutdown Current | IGND-SD | EN = GND, VIN = −2.7 V to −28 V | −2 | −8 | μA | |
| Output Voltage Accuracy | VOUT | Fixed Output Voltage | ±1.5% | % | ||
| Power Supply Rejection Ratio | PSRR | 1 MHz, VIN = −4.3 V, VOUT = −3 V | 32 | dB | ||
| 10 kHz, VIN = −4.3 V, VOUT = −3 V | 66 | dB | ||||
| Output Noise | 18 | μV rms | ||||
| Package Type | 5-Lead TSOT |
Key Features
- High input voltage range: −2.7 V to −28 V
- Up to −200 mA of output current
- High power supply rejection ratio (PSRR): up to 66 dB at 10 kHz
- Low noise: 18 μV rms independent of output voltage
- Positive or negative enable logic for maximum flexibility
- Small footprint: available in 5-lead TSOT, 6- and 8-lead LFCSP packages
- High accuracy: ±1.5% output voltage accuracy for fixed output versions
- Low dropout voltage and excellent line and load transient response
Applications
The ADP7182AUJZ-5.0-R7 is ideal for various high-performance applications, including:
- Communications and infrastructure
- Medical and healthcare devices
- Industrial and instrumentation systems
- Analog and mixed signal circuits requiring high voltage rails
Q & A
- What is the input voltage range of the ADP7182AUJZ-5.0-R7?
The input voltage range is from −2.7 V to −28 V. - How much output current can the ADP7182AUJZ-5.0-R7 provide?
The regulator can provide up to −200 mA of output current. - What is the power supply rejection ratio (PSRR) of the ADP7182AUJZ-5.0-R7?
The PSRR can be up to 66 dB at 10 kHz. - What is the output noise of the ADP7182AUJZ-5.0-R7?
The output noise is 18 μV rms independent of the output voltage. - What types of enable logic does the ADP7182AUJZ-5.0-R7 support?
The regulator supports both positive and negative enable logic. - In what packages is the ADP7182AUJZ-5.0-R7 available?
It is available in 5-lead TSOT, 6- and 8-lead LFCSP packages. - What is the output voltage accuracy for fixed output versions of the ADP7182AUJZ-5.0-R7?
The output voltage accuracy is ±1.5% for fixed output versions. - What are some typical applications of the ADP7182AUJZ-5.0-R7?
Typical applications include communications and infrastructure, medical and healthcare devices, industrial and instrumentation systems, and high-performance analog and mixed signal circuits. - How does the ADP7182AUJZ-5.0-R7 handle line and load transient response?
The regulator achieves excellent line and load transient response with a small 2.2 μF ceramic output capacitor. - What is the recommended capacitance for the ADP7182AUJZ-5.0-R7?
The minimum input and output capacitance must be greater than 1.5 μF, with X7R and X5R type capacitors recommended.
