KA3511D Fairchild Semiconductor, KA3511D Datasheet
KA3511D
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KA3511D Summary of contents
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... KA3511 requires few external components to accomplish a complete housekeeping circuits for SMPS. The KA3511 is available in a 22-pin dual in-line package. ORDERING INFORMATION Device KA3511 KA3511D FEATURES • Complete PWM control and house keeping circuitry • Few external components • Precision voltage reference trimmed to 2% • ...
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KA3511/D BLOCK DIAGRAM ...
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INTELLIGENT VOLTAGE MODE PWM IC PIN DESCRIPTION : KA3511 E/A(-) C C Pin No. Name I Supply voltage CC 2 COMP O ...
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... KA3511/D PIN DESCRIPTION : KA3511D C1 E #24 #1 Vcc COMP Pin No. Name I Supply voltage CC 2 COMP O E/A output 3 E/A(-) I E/A (-) input 4 E/A(+) I E/A (+) input 5 TREM – Remote on/off delay 6 REM I Remote on/off input 7 RT – Oscillation freq. setting – Oscillation freq. setting C 9 DET ...
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INTELLIGENT VOLTAGE MODE PWM IC Pin No. Name 1 V Supply voltage. Operating range is 14V~30V COMP Error amplifier output connect to non-inverting input of pulse width modulator comparator. 3 E/A(-) Error amplifier inverting input. ...
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... KA3511/D ABSOLUTE MAXIMUM RATINGS Characteristic Supply voltage Collector output voltage Collector output current Power dissipation(KA3511D) Power dissipation(KA3511) Operating temperature Storage temperature TEMPERATURE CHARACTERISTICS Characteristic Temperature coefficient of Vref (- INTELLIGENT VOLTAGE MODE PWM Symbol Value 200 ...
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INTELLIGENT VOLTAGE MODE PWM IC ELECTRICAL CHARACTERISTICS (V Characteristic REFERENCE SECTION Reference output voltage Line regulation Load regulation Temperature coefficient of Vref Short-circuit output current OSCILLATOR SECTION Oscillation frequency Frequency change with (1) temperature DEAD TIME CONTROL SECTION Input bias ...
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KA3511/D ELECTRICAL CHARACTERISTICS (continued) Characteristic Over voltage protection for 5V Over voltage protection for 12V Input threshold voltage for PT Under voltage protection for 3.3V Under voltage protection for 5V Under voltage protection for 12V Charging current for UVP delay ...
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INTELLIGENT VOLTAGE MODE PWM IC APPLICATION INFORMATIONS 300K 100K 10K 100 Figure 1. Oscillator Frequency vs. Timing Resistance Feedback Dead-time control Output Q1 Output Q2 CT=0. 0 10K ...
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KA3511/D HOUSEKEEPING CIRCUIT 11k 33k 1.8k + 0.1uF 1k 12k 0.01uF + 2.2uF Note) The KA3511 requires few external components to accomplish a complete housekeeping circuits for SMPS. INTELLIGENT VOLTAGE MODE PWM Standby 1 Supply ...
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INTELLIGENT VOLTAGE MODE PWM IC TYPICAL CHARACTERISTICS 0.014 0.012 0.010 0.008 0.006 0.004 0.002 0.000 Supply Voltage [V] PIN19(Dead Time Control Voltage)-Duty Cycle 50 40 31. 0.0 0.5 1.0 1.5 ...
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KA3511/D OVP for 1.15 1.20 Vpt [V] UVP for 3.6 3.8 4.0 4.2 Pin 14 (V5) Voltage [V] Remote ON Charging Current -0.000016 -0.000018 -0.000020 -0.000022 ...
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INTELLIGENT VOLTAGE MODE PWM IC Remote ON Open Voltage Detecting V5 Voltage 4.0 4.2 4.4 Pin 14 (5V) Voltage [V] Short Circuit Current -0.032 -0.033 ...
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KA3511/D Error Amp Sink Current 0.002 0.00 -0.002 -0.004 -0.006 -0.008 INTELLIGENT VOLTAGE MODE PWM 80 100 120 140 Reference Voltage Supply Voltage [V] 40 ...
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INTELLIGENT VOLTAGE MODE PWM IC EXPERIMENTAL RESULT Figure 3. Rising Time of +5Vdc Output Voltage Figure 4. PG Signal Delay Time KA3511/D CH1 : PS-ON CH2 : +5Vdc Output CH3 : PG Signal CH1 : PS-ON CH2 : +5Vdc Output ...
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KA3511/D INTELLIGENT VOLTAGE MODE PWM Figure 5. Power Down Warning Figure 6. No Load Protection CH1 : PS-ON CH2 : +5Vdc Output CH3 : PG Signal CH1 : +3.3Vdc Output CH2 : +5Vdc Output CH3 : +12Vdc Output ...
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INTELLIGENT VOLTAGE MODE PWM IC Figure 7. Vcc, +5Vdc Output vs. PG Signal (High) Figure 8. Vcc, +5Vdc Output vs. PG Signal (Low) KA3511/D CH1 : Vcc CH2 : +5Vdc Output CH3 : PG Signal CH1 : Vcc CH2 : ...
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KA3511/D APPLICATION CIRCUIT 47K INTELLIGENT VOLTAGE MODE PWM 70K R5 IC1 1 22 103 Vcc ...
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INTELLIGENT VOLTAGE MODE PWM IC PACKAGE DIMENSION KA3511/D ...
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KA3511/D PACKAGE DIMENSION INTELLIGENT VOLTAGE MODE PWM ...
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... 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 which, (a) are intended for surgical implant into the body, ...