Overview
The NCP5501DT33RKG is a linear low-dropout voltage regulator (LDO) produced by onsemi. This device is part of the NCP5500/NCP5501/NCV5500/NCV5501 family, which provides up to 500 mA of output current over a fixed output voltage range. Specifically, the NCP5501DT33RKG is configured to provide a fixed output voltage of 3.3 V. It features a low dropout voltage, making it suitable for applications requiring a broad input voltage range and high efficiency.
The regulator includes an internal PNP pass transistor, which allows for low dropout voltage and stable operation at full load current. It also incorporates several protection features, including short circuit current protection, thermal shutdown, and reverse bias protection.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage (Vin) | −0.3 | 16 | V | |
| Output Voltage (Vout) | 3.138 | 3.3 | 3.462 | V |
| Output Current (Iout) | 500 | mA | ||
| Dropout Voltage (VDO) at 500 mA | 230 | mV | ||
| Line Regulation | −1.0 | 0.1 | 1.0 | % |
| Load Regulation | −1.0 | 0.35 | 1.0 | % |
| Operating Ambient Temperature Range | −40 | 85 | °C | |
| Thermal Shutdown Temperature | 150 | 210 | °C |
Key Features
- Low Dropout Voltage: 230 mV at 500 mA, ensuring efficient operation at low input voltages.
- High Accuracy: Output voltage accuracy better than 2.9%.
- Integral Protection Features: Short circuit current protection, thermal shutdown, and reverse bias protection.
- Stable with Low Cost Ceramic Capacitors: Suitable for use with inexpensive ceramic capacitors.
- Wide Operating Temperature Range: From −40°C to +85°C for NCP versions.
- Pb-Free Package: Compliant with lead-free requirements.
- Enable Control Pin (NCP5500/NCV5500): Allows for on/off control of the regulator.
Applications
- Automotive: Qualified for demanding automotive applications requiring extended temperature operation and site and change control.
- Industrial and Consumer: Suitable for various industrial and consumer electronics applications.
- Post SMPS Regulation: Used for post-switch-mode power supply regulation to provide a stable DC output.
- Point of Use Regulation: Ideal for point-of-use voltage regulation in complex systems.
Q & A
- What is the maximum output current of the NCP5501DT33RKG?
The maximum output current is 500 mA.
- What is the fixed output voltage of the NCP5501DT33RKG?
The fixed output voltage is 3.3 V.
- What is the typical dropout voltage at 500 mA?
The typical dropout voltage at 500 mA is 230 mV.
- Does the NCP5501DT33RKG have an enable control pin?
No, the NCP5501DT33RKG does not have an enable control pin; this feature is available in the NCP5500 and NCV5500 versions.
- What are the integral protection features of the NCP5501DT33RKG?
The device includes short circuit current protection, thermal shutdown, and reverse bias protection.
- What is the operating ambient temperature range for the NCP5501DT33RKG?
The operating ambient temperature range is from −40°C to +85°C.
- Is the NCP5501DT33RKG Pb-free?
- What type of capacitors can be used with the NCP5501DT33RKG?
The device is stable with low-cost ceramic capacitors.
- What are some typical applications for the NCP5501DT33RKG?
Typical applications include automotive, industrial, consumer electronics, post-SMPS regulation, and point-of-use regulation.
- What is the thermal shutdown temperature of the NCP5501DT33RKG?
The thermal shutdown temperature is between 150°C and 210°C.
