ML4805IP, ML4810, ML4810CP Selling Leads, Datasheet
MFG:ml Package Cooled:ml D/C:dc00
ML4805IP, ML4810, ML4810CP Datasheet download
Part Number: ML4805IP
MFG: ml
Package Cooled: ml
D/C: dc00
ML4805IP, ML4810, ML4810CP
- Table of contents:
Info of ML4805IP
Info of ML4810
Info of ML4810CP
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About ML4805IP
PDF/DataSheet Download
Datasheet: ML4805IP
File Size: 128455 KB
Manufacturer: FAIRCHILD [Fairchild Semiconductor]
Download : Click here to Download
About ML4810
PDF/DataSheet Download
Datasheet: ML4810
File Size: 169031 KB
Manufacturer: MICRO-LINEAR [Micro Linear Corporation]
Download : Click here to Download
About ML4810CP
PDF/DataSheet Download
Datasheet: ML4810CP
File Size: 169031 KB
Manufacturer: MICRO-LINEAR [Micro Linear Corporation]
Download : Click here to Download
ML4810 General Description
The ML4810 and ML4811 High Frequency PWM Controllers are optimized for use in Switch Mode Power Supply designs running at frequencies to 1MHz. The ML4810/11 contain a unique overload protection circuit which helps to limit stress on the output devices and reliably performs a soft-start reset. These controllers are designed to work in either voltage or current mode and provide for input voltage feed forward.
A 1.1V threshold current limit comparator provides a cycle-by-cycle current limit. An integrating circuit "counts" the number of times the 1.1V limit was reached. A soft-start cycle is initiated if the cycle-by-cycle current limit is repeatedly activated. A reset delay function is provided on the ML4811.
These controllers are similar to the UC1825 controller, however these controllers include many features not found on the 1825. These features are set in Italics.
ML4810 Maximum Ratings
Supply Voltage (Pins 18, 16) ...................................... 25V
Output Current, Source or Sink (Pins 14, 17)
DC ............................................................................. 0.5A
Pulse (0.5ms) ............................................................. 2.0A
Analog Inputs
(Pins INV, NI, SOFT START) ............................. 0.3V to 7V
(Pins 9, 10, 11, 12, 20) ................................... 0.3V to 6V
Clock Output Current (Pins 5) ....................................5mA
Error Amplifier Output Current (Pin 3) ......................... 5mA
Junction Temperature .............................................. 150°C
Storage Temperature Range .................... 65°C to 150°C
Lead Temperature (Soldering 10 sec.) .................... 260°C
Thermal Resistance (JA)
Plastic DIP ............................................................. 65°C/W
Plastic SOIC .......................................................... 65°C/W
Output Current, Source or Sink (Pins 14, 17)
DC ............................................................................. 0.5A
Pulse (0.5ms) ............................................................. 2.0A
Analog Inputs
(Pins INV, NI, SOFT START) ............................. 0.3V to 7V
(Pins 9, 10, 11, 12, 20) ................................... 0.3V to 6V
Clock Output Current (Pins 5) ....................................5mA
Error Amplifier Output Current (Pin 3) ......................... 5mA
Junction Temperature .............................................. 150°C
Storage Temperature Range .................... 65°C to 150°C
Lead Temperature (Soldering 10 sec.) .................... 260°C
Thermal Resistance (JA)
Plastic DIP ............................................................. 65°C/W
Plastic SOIC .......................................................... 65°C/W
ML4810 Features
Integrating Soft Start Reset
High current (2A peak) dual totem pole outputs
Practical operation to 1MHz (fOSC)
5.1V ±2% trimmed bandgap reference
Under voltage lockout with 7V hysteresis
Soft Start Reset Delay (ML4811)
Oscillator synchronization function (ML4811)
Soft Start latch ensures full soft start cycle
Outputs pull low for undervoltage lockout
Accurately controlled oscillator ramp discharge current
All timing currents "slaved" to RT for precise control
High current (2A peak) dual totem pole outputs
Practical operation to 1MHz (fOSC)
5.1V ±2% trimmed bandgap reference
Under voltage lockout with 7V hysteresis
Soft Start Reset Delay (ML4811)
Oscillator synchronization function (ML4811)
Soft Start latch ensures full soft start cycle
Outputs pull low for undervoltage lockout
Accurately controlled oscillator ramp discharge current
All timing currents "slaved" to RT for precise control
ML4810 Connection Diagram
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