ML4803CS2 Fairchild Semiconductor, ML4803CS2 Datasheet
ML4803CS2
Specifications of ML4803CS2
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ML4803CS2 Summary of contents
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ML4803 8-Pin PFC and PWM Controller Combo Features Block Diagram VEAO + 7V 4 – 35µ ONE PIN ERROR AMPLIFIER I SENSE 3 PFC I LIMIT + – – REF 26k 40k ...
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ML4803 Pin Configuration Pin Description PIN NAME 1 PFC OUT PFC driver output 2 GND Ground 3 I Current sense input to the PFC current limit comparator SENSE 4 VEAO PFC one-pin error amplifier input 5 V PWM voltage feedback ...
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PRODUCT SPECIFICATION Electrical Characteristics Unless otherwise specified 15V Symbol Parameter One-pin Error Amplifier VEAO Output Current Line Regulation V OVP Comparator CC Threshold Voltage PFC I Comparator LIMIT Threshold Voltage Delay to Output DC I Comparator ...
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ML4803 Functional Description Detailed Pin Descriptions V EAO I SENSE V DC Ω I LIMIT 4 PFC OUT and PWM OUT V CC Figure 1. Optional V Ω PRODUCT SPECIFICATION V CC 1N4148 1N4148 1N5246B GND Clamp CC REV. 1.1.3 ...
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PRODUCT SPECIFICATION GND Power Factor Correction VIN DC REF – RAMP OSC CLK U4 Figure 2. Typical Trailing Edge Control Scheme. REV. 1.1.3 8/3/01 Leading/Trailing Modulation SW2 SW1 C1 RAMP ...
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ML4803 Typical Applications One Pin Error Amp VIN – REF RAMP OSC CLK U4 Figure 3. Typical Leading Edge Control Scheme. 6 Programming Resistor Value V = BOOST Rp I PGM PFC Voltage ...
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PRODUCT SPECIFICATION COMP × π × × COMP 330 COMP × × 6. ZERO f × π × × COMP 10 ...
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ML4803 PFC Start-Up and Soft Start PFC Soft Recovery Following EAO 0 V OUT 0 V BOOST 0 200ms/Div. Figure 8. PFC Soft Start 8 UVLO Generating V OVP CC 10V/div. C23 0.01µF 10V/div. PFC ...
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PRODUCT SPECIFICATION V OVP CC Figure 10. Typical Peak Current Mode Waveforms V OUT = 400V RP R COMP C COMP C ZERO REV. 1.1.3 8/3/01 Component Reduction V ISENSE V C1 RAMP GATE DRIVE OUTPUT VEAO 4 35µA 5V ...
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ML4803 C19 4.7nF 250VAC LINE F1 5A 250V C4 J1-1 R24 0.47µF BR1 470kΩ 250VAC 600V 0.5W 4A NEUTRAL J1-2 C20 4.7nF 250VAC R3 0.15Ω 3W R30 200Ω C29 0.01µ 0.1µF R13 5.8MΩ R7 ...
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PRODUCT SPECIFICATION Mechanical Dimensions 0.020 MIN (0.51 MIN) (4 PLACES) 0.170 MAX (4.32 MAX) 0.125 MIN (3.18 MIN 0.017 - 0.027 (0.43 - 0.69) (4 PLACE S ) 0.012 - 0.020 0.055 - 0.061 (0.30 - 0.51) (1.40 ...
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... NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems ...