Overview
The MC33269 series, produced by onsemi, are low dropout, medium current, fixed and adjustable, positive linear voltage regulators. These regulators are specifically designed for use in low input voltage applications, offering an economical solution for precision voltage regulation while minimizing power losses. The series includes various fixed output voltage versions (3.3 V, 3.5 V, 5.0 V, 12 V) and an adjustable version, making them versatile for a wide range of applications.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (Fixed Versions) | VO | 3.27 (3.3V), 3.465 (3.5V), 4.95 (5.0V), 11.88 (12V) | 3.3 (3.3V), 3.5 (3.5V), 5.0 (5.0V), 12 (12V) | 3.33 (3.3V), 3.535 (3.5V), 5.05 (5.0V), 12.12 (12V) | V |
| Dropout Voltage | Vin - Vout | - | 1.0 | 1.1 (Iout = 500 mA), 1.25 (Iout = 800 mA) | V |
| Output Current | Iout | - | - | 800 | mA |
| Quiescent Current (Fixed Output) | IQ | - | 5.5 (1.5 V ≤ Vout ≤ 3.5 V), 8.0 (5 V ≤ Vout ≤ 12 V) | 20 | mA |
| Ripple Rejection (10 Vpp, 120 Hz Sinewave; Iout = 500 mA) | RR | - | - | 55 | dB |
| Operating Ambient Temperature Range | TA | -40 | - | 125 | °C |
| Storage Temperature | Tstg | -55 | - | 150 | °C |
Key Features
- Fixed and adjustable output voltage versions (3.3 V, 3.5 V, 5.0 V, 12 V)
- Space-saving DPAK, SO-8, and SOT-223 power packages
- 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
- Pb-free packages available
- NCV prefix for automotive and other applications requiring unique site and control change requirements; AEC-Q100 qualified and PPAP capable
Applications
The MC33269 series is suitable for a variety of applications, including:
- Low input voltage applications
- Current regulators
- Battery-backed power supplies
- Digitally controlled voltage regulators
- Automotive and industrial systems requiring high reliability and precision voltage regulation
Q & A
- What are the available output voltage versions for the MC33269 series?
The MC33269 series offers fixed output voltage versions of 3.3 V, 3.5 V, 5.0 V, and 12 V, as well as an adjustable version.
- What is the maximum output current of the MC33269 regulator?
The maximum output current is in excess of 800 mA.
- What is the dropout voltage of the MC33269 regulator?
The dropout voltage is typically 1.0 V, with a maximum of 1.25 V at 800 mA output current.
- Does the MC33269 have thermal protection?
- What are the available package types for the MC33269?
The MC33269 is available in DPAK, SO-8, and SOT-223 power packages.
- Is the MC33269 suitable for automotive applications?
- What is the operating ambient temperature range of the MC33269?
- What is the storage temperature range for the MC33269?
- Does the MC33269 require an external output capacitor for stability?
- What is the ripple rejection ratio of the MC33269?
