Overview
The MC33269DTRKG is a low dropout, medium current, adjustable positive voltage regulator from onsemi. This device is part of the MC33269/NCV33269 series, 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 |
|---|---|---|---|---|---|
| Power Supply Input Voltage | Vin | 20 | V | ||
| Operating Ambient Temperature Range | TA | -40 | 125 | °C | |
| Storage Temperature | Tstg | -55 | 150 | °C | |
| Electrostatic Discharge Sensitivity (HBM) | ESD | 4000 | V | ||
| Output Voltage (Iout = 10 mA, TA = 25°C) | VO | 3.27 (3.3V Suffix) | 3.33 (3.3V Suffix) | 3.465 (3.3V Suffix) | V |
| Dropout Voltage (Iout = 800 mA) | Vin - Vout | 1.1 | V | ||
| Output Current | Iout | 800 | mA | ||
| Ripple Rejection (10 Vpp, 120 Hz Sinewave; Iout = 500 mA) | RR | 55 | dB | ||
| Quiescent Current (Fixed Output) | IQ | 5.5 | 8.0 | mA |
Key Features
- 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
- Available in fixed (3.3 V, 3.5 V, 5.0 V, 12 V) and adjustable versions
- Space-saving DPAK, SO-8, and SOT-223 power packages
- NCV prefix for automotive and other applications requiring unique site and control change requirements; AEC-Q100 qualified and PPAP capable
Applications
The MC33269DTRKG is suitable for various applications requiring stable and efficient voltage regulation, including:
- Low input voltage applications
- Battery-backed power supplies
- Digitally controlled voltage regulators
- Automotive and industrial systems requiring high reliability and precision voltage regulation
Q & A
- What is the maximum output current of the MC33269DTRKG?
The maximum output current is in excess of 800 mA.
- What is the typical dropout voltage of the MC33269DTRKG?
The typical dropout voltage is less than 1.0 V.
- What are the available output voltage versions for the MC33269DTRKG?
The device is available in fixed versions (3.3 V, 3.5 V, 5.0 V, 12 V) and an adjustable version.
- What are the key protective features of the MC33269DTRKG?
The device features thermal protection and short circuit protection.
- What is the operating ambient temperature range for the MC33269DTRKG?
The operating ambient temperature range is -40°C to +125°C.
- What is the storage temperature range for the MC33269DTRKG?
The storage temperature range is -55°C to +150°C.
- Does the MC33269DTRKG require an external output capacitor for stability?
- Is the MC33269DTRKG suitable for automotive applications?
- What are the available package options for the MC33269DTRKG?
The device is available in DPAK, SO-8, and SOT-223 power packages.
- What is the ripple rejection ratio of the MC33269DTRKG?
The ripple rejection ratio is 55 dB at 120 Hz with a 10 Vpp sinewave and Iout = 500 mA.
