Overview
The ADP7104ACPZ-5.0-R7 is a CMOS, low dropout linear regulator (LDO) produced by Analog Devices Inc. This regulator operates from an input voltage range of 3.3 V to 20 V and provides up to 500 mA of output current. It is designed for high-performance analog and mixed-signal circuits, offering excellent power supply rejection, low noise, and robust line and load transient response. The device is available in a compact 8-lead LFCSP (3 mm × 3 mm) package, which offers excellent thermal performance and a small footprint.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage Range | 3.3 | 20 | V | |
| Output Current | 500 | mA | ||
| Output Voltage (Fixed) | 5.0 | V | ||
| Noise Voltage (rms) | 15 | µV | ||
| PSRR at 10 kHz | 60 | dB | ||
| Thermal Shutdown Threshold | 150 | °C | ||
| Operating Junction Temperature Range | -40 | 125 | °C | |
| Package Type | 8-lead LFCSP (3x3 mm) |
Key Features
- High input voltage range: 3.3 V to 20 V
- Maximum output current: up to 500 mA
- Low noise: 15 µV rms for fixed output versions
- High PSRR performance: 60 dB at 10 kHz
- Power-good indicator
- User-programmable precision undervoltage lockout (UVLO) function
- Compact 8-lead LFCSP and SOIC packages
- Excellent thermal performance and small footprint
Applications
- Regulation for noise-sensitive applications: ADC, DAC circuits, precision amplifiers, high-frequency oscillators, clocks, and PLLs
- Communications and infrastructure
- Medical and healthcare
- Industrial and instrumentation
Q & A
- What is the input voltage range of the ADP7104ACPZ-5.0-R7? The input voltage range is from 3.3 V to 20 V.
- What is the maximum output current of the ADP7104ACPZ-5.0-R7? The maximum output current is up to 500 mA.
- What is the output noise voltage of the ADP7104ACPZ-5.0-R7? The output noise voltage is 15 µV rms.
- What is the PSRR performance of the ADP7104ACPZ-5.0-R7 at 10 kHz? The PSRR performance is 60 dB at 10 kHz.
- Does the ADP7104ACPZ-5.0-R7 have a power-good indicator? Yes, it has a power-good indicator.
- What types of packages are available for the ADP7104ACPZ-5.0-R7? It is available in 8-lead LFCSP (3x3 mm) and SOIC packages.
- What are the typical applications of the ADP7104ACPZ-5.0-R7? Typical applications include noise-sensitive circuits, communications, medical and healthcare, and industrial instrumentation.
- What is the thermal shutdown threshold of the ADP7104ACPZ-5.0-R7? The thermal shutdown threshold is 150°C.
- Can the undervoltage lockout (UVLO) be programmed on the ADP7104ACPZ-5.0-R7? Yes, the UVLO can be user-programmed.
- What is the recommended minimum capacitance for the input and output capacitors? The minimum input and output capacitance must be greater than 0.7 µF.
