ML4821IP, ML4822, ML4822CP-1 Selling Leads, Datasheet
MFG:ML Package Cooled:DIP-18 D/C:05+
ML4821IP, ML4822, ML4822CP-1 Datasheet download
Part Number: ML4821IP
MFG: ML
Package Cooled: DIP-18
D/C: 05+
ML4821IP, ML4822, ML4822CP-1
- Table of contents:
Info of ML4821IP
Info of ML4822
Info of ML4822CP-1
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About ML4821IP
PDF/DataSheet Download
Datasheet: ML4821IP
File Size: 108700 KB
Manufacturer: MICRO-LINEAR [Micro Linear Corporation]
Download : Click here to Download
About ML4822
PDF/DataSheet Download
Datasheet: ML4822
File Size: 206547 KB
Manufacturer: MICRO-LINEAR [Micro Linear Corporation]
Download : Click here to Download
About ML40123N
PDF/DataSheet Download
Datasheet: ML40123N
File Size: 108913 KB
Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]
Download : Click here to Download
ML4822 General Description
The ML4822 is a PFC controller designed specifically for high power applications. The controller contains all of the functions necessary to implement an average current boost PFC converter, along with a Zero Voltage Switch (ZVS) controller to reduce diode recovery and MOSFET turn-on losses.
The average current boost PFC circuit provides high power factor (>98%) and low Total Harmonic Distortion (THD). Built-in safety features include undervoltage lockout, overvoltage protection, peak current limiting, and input voltage brownout protection.
The ZVS control section drives an external ZVS MOSFET which, combined with a diode and inductor, soft switches the boost regulator. This technique reduces diode reverse recovery and MOSFET switching losses to reduce EMI and maximize efficiency.
ML4822 Maximum Ratings
Shunt Regulator Current (ICC) ................................... 55mA
Peak Driver Output Current ................................... ±500mA
Analog Inputs ..................................................... 0.3 to 7V
Junction Temperature ............................................... 150°C
Storage Temperature Range ..................... 65°C to 150°C
Lead Temperature (Soldering, 10 sec) ..................... 150°C
Thermal Resistance (JA)
Plastic DIP ............................................................... 80°C/W
Plastic SOIC ...........................................................110°C/W
Peak Driver Output Current ................................... ±500mA
Analog Inputs ..................................................... 0.3 to 7V
Junction Temperature ............................................... 150°C
Storage Temperature Range ..................... 65°C to 150°C
Lead Temperature (Soldering, 10 sec) ..................... 150°C
Thermal Resistance (JA)
Plastic DIP ............................................................... 80°C/W
Plastic SOIC ...........................................................110°C/W
ML4822 Features
Average current sensing, continuous boost, leading edge PFC for low total harmonic distortion and near unity power factor
Built-in ZVS switch control with fast response for high efficiency at high power levels
Average line voltage compensation with brownout control
Current fed gain modulator improves noise immunity and provides universal input operation
Overvoltage comparator eliminates output "runaway" due to load removal
UVLO, current limit, and soft-start
Precision 1% reference
ML4822 Connection Diagram
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