ml4810cs Microsemi Corporation, ml4810cs Datasheet
ml4810cs
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ml4810cs Summary of contents
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High Frequency Power Supply Controller 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 ...
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ML4810, ML4811 PIN CONFIGURATION ML4810 16-Pin DIP (P16) 16-Pin SOIC (S16W) INV E/A OUT RESET RAMP 7 10 SOFT START 8 9 ...
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ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. Supply Voltage (Pins 18, 16) ...................................... 25V Output Current, ...
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ML4810, ML4811 ELECTRICAL CHARACTERISTICS PARAMETER ERROR AMPLIFIER (Continued) CMRR PSRR Output Sink Current Output Source Current Output High Voltage Output Low Voltage Unity Gain Bandwidth Slew Rate PWM COMPARATOR Pin 8 Bias Current Duty Cycle Range Pin 3 Zero DC ...
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FUNCTIONAL DESCRIPTION SOFT START AND CURRENT LIMIT The ML4810/11 offers a unique system of fault detection and reset. Most PWM controllers use a two threshold method which relies on the buildup of current in the output inductor during a fault. ...
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ML4810, ML4811 OSCILLATOR The ML4811 oscillator charges the external capacitor (C with a current (I ) equal to 3/R . When the capacitor SET T voltage reaches the upper threshold (Ramp Peak), the comparator changes state and the capacitor discharges ...
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ERROR AMPLIFIER The ML4811 error amplifier is a 5.5MHz bandwidth 12V/ sec slew rate op-amp with provision for limiting the positive output voltage swing (Output Inhibit line) for ease in implementing the soft start function. 4.70 2.20 1.00 0.47 0.22 ...
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ML4810, ML4811 3 2 SOURCE 1 SINK 0 0 OUT (A) Figure 13. Saturation Curves 100 200 300 TIME (ns) Figure 15. Rise/Fall Time (C 8 1.0 1.5 Figure 14. Rise/Fall Time (C ...
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ML4810, ML4811 9 ...
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ML4810, ML4811 PHYSICAL DIMENSIONS 16 PIN 0.02 MIN (0.50 MIN) (4 PLACES) 0.170 MAX (4.32 MAX) 0.125 MIN (3.18 MIN) 0.400 - 0.414 (10.16 - 10.52) 16 PIN 0.024 - 0.034 (0.61 - 0.86) ...
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PHYSICAL DIMENSIONS 20 PIN 0.060 MIN (1.52 MIN) (4 PLACES) 0.170 MAX (4.32 MAX) 0.125 MIN (3.18 MIN) 0.498 - 0.512 (12.65 - 13.00) 20 PIN 0.024 - 0.034 0.050 BSC (0.61 - 0.86) ...
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... ML4810, ML4811 ORDERING INFORMATION PART NUMBER ML4810CP ML4810CS ML4811CP ML4811CS is a registered trademark of Micro Linear Corporation © Micro Linear 1997 Products described in this document may be covered by one or more of the following patents, U.S.: 4,897,611; 4,964,026; 5,027,116; 5,281,862; 5,283,483; 5,418,502; 5,508,570; 5,510,727; 5,523,940; 5,546,017; 5,559,470; 5,565,761; 5,592,128; 5,594,376; Japan: 2598946; 2619299. Other patents are pending. ...