ML4825MJ, ML4826, ML4826-2 Selling Leads, Datasheet
MFG:350 Package Cooled:CDIP D/C:F/ML
ML4825MJ, ML4826, ML4826-2 Datasheet download
Part Number: ML4825MJ
MFG: 350
Package Cooled: CDIP
D/C: F/ML
ML4825MJ, ML4826, ML4826-2
- Table of contents:
Info of ML4825MJ
Info of ML4826
Info of ML4826-2
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About ML40123N
PDF/DataSheet Download
Datasheet: ML40123N
File Size: 108913 KB
Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]
Download : Click here to Download
About ML4826
PDF/DataSheet Download
Datasheet: ML4826
File Size: 441813 KB
Manufacturer: FAIRCHILD [Fairchild Semiconductor]
Download : Click here to Download
About ML4826-2
PDF/DataSheet Download
Datasheet: ML4826-2
File Size: 58745 KB
Manufacturer: FAIRCHILD
Download : Click here to Download
ML4826 General Description
The ML4826 is a high power controller for power factor corrected, switched mode power supplies. PFC allows the use of smaller, lower cost bulk capacitors, reduces power line loading and stress on the switching FETs, and results in a power supply that fully complies with IEC1000-3-2 specifications.
The ML4826 includes circuits for the implementation of a leading edge, average current "boost" type power factor correction and a trailing edge, pulse width modulator (PWM) with dual totem-pole outputs.
An over-voltage comparator shuts down the PFC section in the event of a sudden decrease in load. The PFC section also includes peak current limiting and input voltage brown-out protection. The PWM section can be operated in current or voltage mode at up to 250kHz and includes a duty cycle limit to prevent transformer saturation.
ML4826 Maximum Ratings
| Parameter | Min | Max. | Units |
| VCCShunt Regulator Current |
55 | mA | |
| ISENSEVoltage |
-3 | 5 | V |
| Voltage on Any Other Pin | GND 0.3 | VCCZ+ 0.3 |
V |
| IREF |
20 | mA | |
| IACInput Current |
10 | mA | |
| Peak PFC OUT Current, Source or Sink | 500 | mA | |
| Peak PWM OUT Current, Source or Sink | 500 | mA | |
| PFC OUT, PWM 1, PWM 2 Energy Per Cycle | 1.5 | mJ | |
| Junction Temperature | 150 | ||
| Storage Temperature Range | -65 | 150 | |
| Lead Temperature (Soldering, 10 sec) | 260 | ||
| Thermal Resistance (JA) Plastic DIP |
67 | /W |
ML4826 Features
• Internally synchronized PFC and PWM in one IC
• Low total harmonic distortion
• Low ripple current in the storage capacitor between the PFC and PWM sections
• Average current, continuous boost, leading edge PFC
• High efficiency trailing edge PWM with dual totem-pole outputs
• Average line voltage compensation with brown-out control
• PFC overvoltage comparator eliminates output "runaway" due to load removal
• Current-fed multiplier for improved noise immunity
• Overvoltage protection, UVLO, and soft start
• Low total harmonic distortion
• Low ripple current in the storage capacitor between the PFC and PWM sections
• Average current, continuous boost, leading edge PFC
• High efficiency trailing edge PWM with dual totem-pole outputs
• Average line voltage compensation with brown-out control
• PFC overvoltage comparator eliminates output "runaway" due to load removal
• Current-fed multiplier for improved noise immunity
• Overvoltage protection, UVLO, and soft start
ML4826 Connection Diagram
ML4826-2 Parameters
- Internally synchronized PFC and PWM in one IC
- Low total harmonic distortion
- Low ripple current in the storage capacitor between the PFC and PWM sections
- Average current, continuous boost, leading edge PFC
- High efficiency trailing edge PWM with dual totem-pole outputs
- Average line voltage compensation with brown-out control
- PFC overvoltage comparator eliminates output "runaway" due to load removal
- Current-fed multiplier for improved noise immunity
- Overvoltage protection, UVLO, and soft start
ML4826-2 General Description
Power Factor Correction (PFC) and PWM Controller Combo
ML4826-2 Features
- Internally synchronized PFC and PWM in one IC
- Low total harmonic distortion
- Low ripple current in the storage capacitor between the PFC and PWM sections
- Average current, continuous boost, leading edge PFC
- High efficiency trailing edge PWM with dual totem-pole outputs
- Average line voltage compensation with brown-out control
- PFC overvoltage comparator eliminates output "runaway" due to load removal
- Current-fed multiplier for improved noise immunity
- Overvoltage protection, UVLO, and soft start
ML4826-2 Typical Application
ML4826-2 Datasheet
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