Overview
The MC33269DTRK-5.0 is a low dropout, medium current, fixed voltage regulator produced by onsemi. This device is part of the MC33269/NCV33269 series, designed for use in low input voltage applications. It offers an economical solution for precision voltage regulation while minimizing power losses. The regulator features a 1.0 V dropout composite PNP-NPN pass transistor, current limiting, and thermal shutdown, making it suitable for a variety of applications requiring stable and efficient voltage regulation.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (Iout = 10 mA, TA = 25°C) | VO | 4.9 | 5.0 | 5.1 | V |
| Dropout Voltage (Iout = 500 mA) | Vin - Vout | - | 1.0 | 1.25 | V |
| Dropout Voltage (Iout = 800 mA) | Vin - Vout | - | 1.1 | 1.35 | V |
| Ripple Rejection (10 Vpp, 120 Hz Sinewave; Iout = 500 mA) | RR | 55 | - | - | dB |
| Current Limit (Vin - Vout = 10 V) | ILimit | 800 | - | - | mA |
| Quiescent Current (Fixed Output) | IQ | - | - | 8.0 | mA |
| Minimum Required Load Current | ILoad | - | - | 0 | mA |
| Adjustment Pin Current | IAdj | - | - | 120 | µA |
| Operating Ambient Temperature Range | TA | -40 | - | 125 | °C |
| Storage Temperature | Tstg | -55 | - | 150 | °C |
| Package Type | - | - | - | DPAK | - |
Key Features
- Fixed 5.0 V output voltage
- Low dropout voltage of 1.0 V
- Output current in excess of 800 mA
- Thermal protection and short circuit protection
- Output trimmed to 1.0% tolerance
- Space-saving DPAK, SO-8, and SOT-223 power packages
- AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements
- Pb-free device
Applications
The MC33269DTRK-5.0 is suitable for various applications that require stable and efficient voltage regulation. These include:
- Low input voltage applications
- Current regulators
- Battery-backed power supplies
- Digitally controlled voltage regulators
- Automotive systems requiring AEC-Q100 qualification
Q & A
- What is the output voltage of the MC33269DTRK-5.0?
The output voltage of the MC33269DTRK-5.0 is fixed at 5.0 V. - What is the maximum output current of the MC33269DTRK-5.0?
The maximum output current is in excess of 800 mA. - What is the dropout voltage of the MC33269DTRK-5.0?
The dropout voltage is typically 1.0 V at 500 mA and 1.1 V at 800 mA. - Does the MC33269DTRK-5.0 have thermal protection?
Yes, it includes thermal protection and short circuit protection. - What are the available package types for the MC33269DTRK-5.0?
The device is available in DPAK, SO-8, and SOT-223 power packages. - Is the MC33269DTRK-5.0 suitable for automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements. - What is the operating ambient temperature range of the MC33269DTRK-5.0?
The operating ambient temperature range is from -40°C to +125°C. - What is the storage temperature range for the MC33269DTRK-5.0?
The storage temperature range is from -55°C to +150°C. - Does the MC33269DTRK-5.0 require an external output capacitor for stability?
Yes, an external output capacitor of at least 10 µF with an ESR of less than 10 Ω is required for stability. - What is the ripple rejection of the MC33269DTRK-5.0?
The ripple rejection is 55 dB at 120 Hz with a 10 Vpp sinewave and Iout = 500 mA.
