Overview
The NCP5500DADJR2G is a linear low-dropout voltage regulator produced by onsemi. This device is part of the NCP5500 family, which includes adjustable and fixed output voltage versions. The NCP5500DADJR2G is specifically an adjustable output version, allowing users to set the output voltage over a range of 1.25 V to 5.0 V using an external voltage divider. It is designed to provide up to 500 mA of output current and features low dropout voltage, making it suitable for a wide range of applications requiring stable and efficient voltage regulation.
Key Specifications
| Parameter | Min | |||
|---|---|---|---|---|
| Input Voltage | -0.3 | - | 18 | V |
| Output Current | - | - | 500 | mA |
| Output Voltage Accuracy | - | ±2.9% | - | % |
| Dropout Voltage (at 500 mA) | - | 230 | - | mV |
| Operating Ambient Temperature Range | -40 | - | 85 | °C |
| Enable Voltage (OFF/ON) | 0.4 | - | 2.0 | V |
| Thermal Shutdown Temperature | 150 | - | 210 | °C |
Key Features
- Output current up to 500 mA
- Low dropout voltage (230 mV at 500 mA)
- Enable control pin (for NCP5500/NCV5500 versions)
- Reverse bias protection
- Short circuit protection
- Thermal shutdown
- Wide operating temperature range (-40°C to +85°C for NCP versions, -40°C to +125°C for NCV versions)
- Stable with low-cost ceramic capacitors
- Pb-free devices
- AEC-Q100 qualified and PPAP capable for automotive applications (NCV versions)
Applications
- Automotive systems
- Industrial and consumer electronics
- Post-SMPS regulation
- Point of use regulation
Q & A
- What is the maximum output current of the NCP5500DADJR2G?
The maximum output current is up to 500 mA.
- What is the output voltage range for the adjustable version of the NCP5500?
The output voltage can be adjusted over a range of 1.25 V to 5.0 V.
- What is the typical dropout voltage at 500 mA?
The typical dropout voltage at 500 mA is 230 mV.
- Does the NCP5500DADJR2G have thermal shutdown protection?
- What are the package options for the NCP5500 family?
The NCP5500 family is available in DPAK 3, DPAK 5, and SOIC-8 packages.
- Is the NCP5500DADJR2G suitable for automotive applications?
The NCV versions of the NCP5500 family are AEC-Q100 qualified and PPAP capable, making them suitable for automotive applications.
- How do I enable or disable the regulator?
The regulator can be enabled by setting the Enable pin to a voltage greater than 2.0 V and disabled by setting it to a voltage less than 0.4 V.
- What kind of capacitors are recommended for stability?
Low-cost ceramic capacitors are recommended for stability.
- What is the operating ambient temperature range for the NCP5500?
The operating ambient temperature range is -40°C to +85°C for NCP versions.
- Does the NCP5500DADJR2G have short circuit protection?
