Overview
The ADP7105ACPZ-R7 is a high-performance, low-dropout (LDO) linear regulator produced by Analog Devices Inc. This CMOS-based regulator operates over a wide input voltage range of 3.3 V to 20 V and provides up to 500 mA of output current. It is available in an 8-lead, 3 mm × 3 mm LFCSP package, offering a compact and thermally efficient solution for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 3.3 V to 20 V | V |
| Maximum Output Current | 500 mA | mA |
| Output Voltage Range | 1.22 V to 19 V (adjustable) | V |
| Output Voltage Accuracy | ±0.8 % | % |
| Dropout Voltage | 350 mV at 500 mA | mV |
| Quiescent Current | 900 μA | μA |
| Noise Voltage | 15 μV rms | μV |
| Thermal Shutdown Threshold | 150 °C | °C |
| Package Type | 8-lead LFCSP |
Key Features
- Fixed and adjustable output voltage options with ±0.8% accuracy
- Low dropout voltage of 350 mV at 500 mA
- Low noise: 15 μV rms
- Power-good indicator for monitoring output voltage health
- Programmable undervoltage lockout (UVLO) for sequencing multiple power supplies
- Soft start function for controlled startup
- Over-current, over-temperature, and reverse-polarity protection
- Compact 8-lead LFCSP package for excellent thermal performance
Applications
- Industrial equipment
- Consumer electronics
- Telecommunications equipment
- Automotive electronics
- Portable devices
Q & A
- What is the input voltage range of the ADP7105ACPZ-R7? The input voltage range is from 3.3 V to 20 V.
- What is the maximum output current of the ADP7105ACPZ-R7? The maximum output current is 500 mA.
- What are the output voltage options for the ADP7105ACPZ-R7? The output voltage can be fixed or adjustable, ranging from 1.22 V to 19 V.
- What is the dropout voltage of the ADP7105ACPZ-R7 at 500 mA? The dropout voltage is 350 mV at 500 mA.
- Does the ADP7105ACPZ-R7 have built-in protection features? Yes, it includes over-current, over-temperature, and reverse-polarity protection.
- What is the quiescent current of the ADP7105ACPZ-R7? The quiescent current is 900 μA.
- What package type is the ADP7105ACPZ-R7 available in? It is available in an 8-lead LFCSP package.
- Does the ADP7105ACPZ-R7 have a power-good indicator? Yes, it includes a digital power-good output.
- Can the ADP7105ACPZ-R7 be used for adjustable output voltages? Yes, it has an adjustable version that allows output voltages ranging from 1.22 V to 19 V via an external feedback divider.
- What is the thermal shutdown threshold of the ADP7105ACPZ-R7? The thermal shutdown threshold is 150 °C.
