Overview
The MC33262DR2G is an active power factor correction controller produced by onsemi. It is specifically designed for use as a preconverter in electronic ballast and off-line power converter applications. This integrated circuit features an internal startup timer, a one quadrant multiplier for near unity power factor, a zero current detector for critical conduction operation, a transconductance error amplifier, and a quickstart circuit for enhanced startup. The device also includes a trimmed internal bandgap reference, a current sensing comparator, and a totem pole output suited for driving a power MOSFET.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (Max) | 36 | V |
| Supply Current (Max) | 20 | mA |
| Power Dissipation | 800 | mW |
| Operating Temperature Range | -40°C to +105°C | °C |
| Storage Temperature Range | -65°C to +150°C | °C |
| Package Type | SOIC-8 | |
| Mounting Method | Surface Mount | |
| Output Current (Source or Sink) | 500 mA | mA |
| Undervoltage Lockout (UVLO) Threshold | 11.5 - 14.5 V | V |
| Minimum Operating Voltage After Turn-On (VCC Decreasing) | 7.0 - 9.0 V | V |
Key Features
- Overvoltage comparator to eliminate runaway output voltage due to load removal
- Internal startup timer for stand-alone applications
- One quadrant multiplier for near unity power factor
- Zero current detector to ensure critical conduction operation
- Transconductance error amplifier
- Quickstart circuit for enhanced startup
- Trimmed 2% internal bandgap reference
- Totem pole output with high state clamp for MOSFET gate protection
- Undervoltage lockout with 6.0 V of hysteresis
- Low startup and operating current
- Supersedes functionality of SG3561 and TDA4817
- Pb-Free and Halide-Free device
Applications
The MC33262DR2G is specifically designed for use in:
- Electronic ballast applications
- Off-line power converter applications
Q & A
- What is the primary function of the MC33262DR2G?
The MC33262DR2G is an active power factor correction controller designed for use as a preconverter in electronic ballast and off-line power converter applications.
- What are the key features of the MC33262DR2G?
Key features include an overvoltage comparator, internal startup timer, one quadrant multiplier, zero current detector, transconductance error amplifier, quickstart circuit, trimmed internal bandgap reference, and totem pole output with high state clamp.
- What is the maximum supply voltage for the MC33262DR2G?
The maximum supply voltage is 36 V.
- What is the operating temperature range of the MC33262DR2G?
The operating temperature range is -40°C to +105°C.
- What type of package is the MC33262DR2G available in?
The MC33262DR2G is available in an SOIC-8 package.
- What is the purpose of the undervoltage lockout (UVLO) feature?
The UVLO feature ensures that the device does not operate below a certain voltage threshold, preventing potential damage or malfunction.
- Does the MC33262DR2G support Pb-Free and Halide-Free packaging?
- What are some of the protective features included in the MC33262DR2G?
Protective features include an overvoltage comparator, input undervoltage lockout with hysteresis, cycle-by-cycle current limiting, multiplier output clamp, and a drive output high state clamp for MOSFET gate protection.
- What is the maximum output current of the MC33262DR2G?
The maximum output current is 500 mA.
- Can the MC33262DR2G be used in high-temperature environments?
