TOP100-4 Power Integrations Inc., TOP100-4 Datasheet
TOP100-4
Related parts for TOP100-4
TOP100-4 Summary of contents
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... TOP100-4 TOPSwitch Family Three-terminal Off-line PWM Switch Product Highlights Low Cost Replacement for Discrete Switchers • fewer components - cuts cost, increases reliability • Source-connected tab and Controlled MOSFET turn-on reduce EMI and EMI filter costs • Allows for a 50% smaller and lighter solution • ...
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... TOP100 CONTROL Z C SHUNT REGULATOR/ ERROR AMPLIFIER - + 5 OSCILLATOR D MAX CLOCK SAW R E Figure 2. Functional Block Diagram. Pin Functional Description DRAIN Pin: Output MOSFET drain connection. Provides internal bias current during start-up operation via an internal switched high- voltage current source. Internal current sense point. ...
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... Charging C T 5 Off DRAIN the total external capacitance T connected to the CONTROL pin Figure 5. Start-up Waveforms for (a) Normal Operation and (b) Auto-restart. TOP100 Slope = PWM Gain -16%/mA 6 (mA) Switching (a) I CD2 Discharging CD1 Discharging Cycles 95% 5% Off ...
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... TOP100-4 TOPSwitch Family Functional Description (cont.) The first time V reaches the upper C threshold, the high-voltage current source is turned off and the PWM modulator and output transistor are activated, as shown in Figure 5(a). During normal operation (when the output voltage is regulated) feedback control current supplies the V ...
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... CONTROL pin below the power-up reset threshold resets the latch and allows TOPSwitch to resume normal power supply operation regulated in hysteretic mode when C the power supply is latched off. TOP100-4 V C(reset PI-1119-110194 High-voltage Bias Current Source This current source biases TOPSwitch ...
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... TOP100-4 General Circuit Operation Primary Feedback Regulation The circuit shown in Figure simple bias supply using the TOP100. This flyback power supply employs primary-side regulation from a transformer bias winding. This approach is best for low-cost applications requiring isolation and operation within a narrow range of load variation ...
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... The circuit shown in Figure highly accurate secondary- regulated flyback power supply that will operate from 85 to 132 VAC input voltage. A TL431 shunt regulator directly senses and accurately regulates the output voltage. The effective output TOP100 120 F ...
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... TOP100-4 BR1 200 CIRCUIT PERFORMANCE: Load Regulation - ±0.2% C6 0.1 F Meets CISPR-22 Class Figure 9. Schematic Diagram 100/110 VAC Input Power Supply Utilizing the TOP102 and Accurate Optocoupler Feedback. EMI AC FILTER IN C1 220 nF 200 V BR1 200 V TYPICAL PERFORMANCE: Power Factor = 0 ...
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... Drain Voltage Characteristic curve). Kelvin-connected bypass capacitor and/or compensation network PC Board Bias/Feedback Input Bias/Feedback Return TOP100-4 When power is first applied, C3 charges to typically 5.7 volts before TOPSwitch starts. C3 then provides TOPSwitch bias current until the output voltage becomes regulated. When the output voltage becomes regulated, ...
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... TOP100-4 DRAIN Voltage ............................................ -0.3 to 350 V CONTROL Voltage ..................................... - 0 Storage Temperature ...................................... -65 to 125 C (2) Operating Junction Temperature ................. -40 to 150 C (3) Lead Temperature ................................................. 260 C Specification Symbol CONTROL FUNCTIONS Output f Frequency OSC Maximum DC Duty Cycle MAX Minimum DC Duty Cycle MIN PWM Gain PWM Gain ...
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... TOP101 di/dt = 280 mA 25˚C j TOP102 di/dt = 400 mA 25˚C j TOP103 di/dt = 520 mA 25˚C j TOP104 di/dt = 600 mA 25˚ See Figure 13 S2 open TOP100-4 Min Typ Max Units 4.7 V 0.6 1 1.2 Hz 0.88 1.25 1.50 2.15 2.20 3.10 A 2.85 4.00 3.30 4.60 150 ns 100 ...
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... TOP100-4 Specification Symbol OUTPUT ON-State R Resistance DS(ON) OFF-State I Current DSS Breakdown BV Voltage DSS Rise t Time r Fall t Time f SUPPLY DRAIN Supply Voltage Shunt Regulator V Voltage C(SHUNT) Shunt Regulator Temperature Drift I CD1 CONTROL Supply/ Discharge Current I CD2 12 E 7/96 Conditions (Unless Otherwise Specified) See Figure 14 ...
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... Otherwise Specified) See Figure 14 VS2 = SOURCE = -40 to 125 C j See Note S1/Open S1/Open ) 100 C and the energizing voltage across the transformer primary is TOP100-4 Min Typ Max Units Volts 16 -2.3 -1. -1.2 -0.64 -0. 0.85 Hz ...
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... TOP100 90% DRAIN VOLTAGE 10 Figure 12. TOPSwitch Duty Cycle Measurement. DRAIN SOURCE CONTROL TOPSwitch NOTE: This test circuit is not applicable for current limit or output characteristic measurements. Figure 14. TOPSwitch General Test Circuit 7/96 TYPICAL CONTROL PIN I-V CHARACTERISTIC 120 100 90% ...
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... TOP100-4 that the continuous DRAIN voltage waveform may be observed. recommended that the turned on first and the DRAIN power supply second if continuous drain voltage waveforms are to be observed ...
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... TOP100-4 Typical Performance Characteristics (cont.) OUTPUT CHARACTERISTICS 5 T CASE = CASE = 100 Drain Voltage ( 7/96 Scaling Factors: TOP104 1.00 TOP103 0.87 TOP102 0.67 TOP101 0.47 TOP100 0. DRAIN CAPACITANCE POWER 100 Scaling Factors: TOP104 1.00 TOP103 0.87 TOP102 0.67 TOP101 0.47 TOP100 0. ...
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... TOP100-4 Plastic TO-220 Notes: 1. Package dimensions conform to JEDEC specification TO-220 AB for standard flange mounted, peripheral lead package; .100 inch lead spacing (Plastic) 3 leads (issue J, March 1987) 2. Controlling dimensions are inches. 3. Pin numbers start with Pin 1, and continue from left to right when viewed from the top ...
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... TOP100 7/96 NOTES ...
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... NOTES TOP100 7/96 ...
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... TOP100-4 Power Integrations reserves the right to make changes to its products at any time to improve reliability or manufacturability. Power Integrations does not assume any liability arising from the use of any device or circuit described herein, nor does it convey any license under its patent rights or the rights of others. ...