ML4826IP-2, ML4828, ML4828CP Selling Leads, Datasheet
MFG:ML Package Cooled:2001+ D/C:02+
ML4826IP-2, ML4828, ML4828CP Datasheet download
Part Number: ML4826IP-2
MFG: ML
Package Cooled: 2001+
D/C: 02+
ML4826IP-2, ML4828, ML4828CP
- Table of contents:
Info of ML4826IP-2
Info of ML4828
Info of ML4828CP
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About ML4826IP-2
PDF/DataSheet Download
Datasheet: ML4826IP-2
File Size: 303995 KB
Manufacturer: MICRO-LINEAR [Micro Linear Corporation]
Download : Click here to Download
About ML4828
PDF/DataSheet Download
Datasheet: ML4828
File Size: 192242 KB
Manufacturer: MICRO-LINEAR [Micro Linear Corporation]
Download : Click here to Download
About ML4828CP
PDF/DataSheet Download
Datasheet: ML4828CP
File Size: 192242 KB
Manufacturer: MICRO-LINEAR [Micro Linear Corporation]
Download : Click here to Download
ML4828 General Description
The ML4828 is a complete BiCMOS phase modulation control IC suitable for full bridge soft switching converters. Unlike conventional PWM circuits, the phase modulation technique allows for zero voltage switching (ZVS) transitions and square wave drive across the transformer. The IC modulates the phases of the two sides of the bridge to control output power.
The ML4828 can be operated in either voltage or current mode. Both cycle-by-cycle current limit, integrating fault detection, and soft start reset are provided. The undervoltage lockout circuit features a 1.5V hysteresis with a low starting current to allow off-line start up with a bleed resistor. A shutdown function powers down the IC, putting it into a low quiescent state.
The circuit can be operated at frequencies up to 1MHz. The ML4828 contains four high current CMOS outputs which feature high slew rate with low cross conduction.
ML4828 Maximum Ratings
VCC .................................................................................. 7V
Output Current, Source or Sink (A1, A2, B1, B2)
Pulse (0.5 ms) ............................................................... 1.0A
Analog Inputs (EA+, EA, EAO,
RST, RAMP, RST).................................... 0.3V to VCC + 0.3V
RT Source Current ........................................................1mA
Error Amplifier Output Current .................................... ±2mA
Soft Start Discharge Current ......................................... 5mA
CT Charging Current ....................................................1mA
Junction Temperature ................................................ 150°C
Storage Temperature Range ...................... 65°C to 150°C
Lead Temperature (Soldering 10 sec.) ...................... 260°C
Thermal Resistance (JA)
Plastic DIP ............................................................... 67°C/W
Plastic SOIC ............................................................ 95°C/W
Output Current, Source or Sink (A1, A2, B1, B2)
Pulse (0.5 ms) ............................................................... 1.0A
Analog Inputs (EA+, EA, EAO,
RST, RAMP, RST).................................... 0.3V to VCC + 0.3V
RT Source Current ........................................................1mA
Error Amplifier Output Current .................................... ±2mA
Soft Start Discharge Current ......................................... 5mA
CT Charging Current ....................................................1mA
Junction Temperature ................................................ 150°C
Storage Temperature Range ...................... 65°C to 150°C
Lead Temperature (Soldering 10 sec.) ...................... 260°C
Thermal Resistance (JA)
Plastic DIP ............................................................... 67°C/W
Plastic SOIC ............................................................ 95°C/W
ML4828 Features
5V BiCMOS for low power and high frequency (1MHz) operation
Full bridge phase modulation zero voltage switching circuit with independent programmable delay times
Current or voltage mode operation capability
Cycle-by-cycle current limiting with integrating fault detection and restart delay
Can be externally synchronized
Four 3W CMOS output drivers
Under-voltage lockout circuit with 1.5V hysteresis
Full bridge phase modulation zero voltage switching circuit with independent programmable delay times
Current or voltage mode operation capability
Cycle-by-cycle current limiting with integrating fault detection and restart delay
Can be externally synchronized
Four 3W CMOS output drivers
Under-voltage lockout circuit with 1.5V hysteresis
ML4828 Connection Diagram
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