Overview
The MC33269D-5.0 is a low dropout, medium current, positive voltage regulator produced by onsemi. This device is specifically designed for use in low input voltage applications, offering 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 | 4.95 | 5.0 | 5.05 | V |
| Dropout Voltage (Iout = 500 mA) | Vin - Vout | 1.0 | 1.1 | 1.25 | V |
| Output Current | Iout | - | - | 800 | mA |
| 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 (Fixed Output) | ILoad | 0 | - | - | mA |
| Adjustment Pin Current | IAdj | - | - | 120 | µA |
| Operating Ambient Temperature Range | TA | -40 | - | 125 | °C |
| Storage Temperature | Tstg | -55 | - | 150 | °C |
Key Features
- Low dropout voltage of 1.0 V, ensuring efficient voltage regulation.
- Output current in excess of 800 mA, suitable for medium current applications.
- Thermal protection and short circuit protection for enhanced reliability.
- Output voltage trimmed to 1.0% tolerance for precision regulation.
- Space-saving DPAK, SO-8, and SOT-223 power packages.
- AEC-Q100 qualified and PPAP capable for automotive and other critical applications.
- Pb-free devices, compliant with environmental regulations.
Applications
- Low input voltage applications requiring precision voltage regulation.
- Automotive systems, especially those requiring AEC-Q100 qualification.
- Battery-backed power supplies and digitally controlled voltage regulators.
- General-purpose power supply designs where low dropout and high current are necessary.
- Industrial and consumer electronics where reliable and efficient voltage regulation is crucial.
Q & A
- What is the maximum output current of the MC33269D-5.0?
The maximum output current is in excess of 800 mA.
- What is the dropout voltage of the MC33269D-5.0?
The dropout voltage is 1.0 V for an output current of 500 mA.
- What are the available package types for the MC33269D-5.0?
The device is available in DPAK, SO-8, and SOT-223 power packages.
- Is the MC33269D-5.0 suitable for automotive applications?
- What is the operating ambient temperature range of the MC33269D-5.0?
The operating ambient temperature range is -40°C to +125°C.
- Does the MC33269D-5.0 have thermal protection?
- What is the ripple rejection ratio of the MC33269D-5.0?
The ripple rejection ratio is 55 dB for a 10 Vpp, 120 Hz sinewave at an output current of 500 mA.
- Is the MC33269D-5.0 Pb-free?
- What is the minimum required load current for the fixed output version?
The minimum required load current is 0 mA for the fixed output version.
- What is the adjustment pin current for the adjustable version?
The adjustment pin current is 120 µA for the adjustable version.
