Table of Contents
Related Manuals for Power integrations TOP100-4
Summary of Contents for Power integrations TOP100-4
- Page 1 TOP100-4 TOPSwitch Three-terminal Off-line PWM Switch DRAIN SOURCE CONTROL TOPSwitch TOPSwitch SELECTION GUIDE OUTPUT POWER RANGE ORDER PFC/ FLYBACK PART BOOST NUMBER 100/110 V 48 V 100/110 July 2009...
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Page 2: Pin Functional Description
TOP100-4 CONTROL DRAIN INTERNAL SUPPLY SHUTDOWN/ AUTO-RESTART SHUNT REGULATOR/ ERROR AMPLIFIER ÷ 8 5.7 V 4.7 V 5.7 V POWER-UP RESET EXTERNALLY TRIGGERED SHUTDOWN LIMIT I FB THERMAL SHUTDOWN CONTROLLED TURN-ON GATE DRIVER OSCILLATOR D MAX CLOCK LEADING EDGE BLANKING... - Page 3 TOP100-4 TOPSwitch Family Functional Description TOPSwitch is a self biased and protected linear control current-to-duty cycle Auto-restart converter with an open drain output. High efficiency is achieved through the D MAX use of CMOS and integration of the Slope = PWM Gain -16%/mA maximum number of functions possible.
- Page 4 TOP100-4 V IN V IN DRAIN V OUT I OUT ••• ••• V C(reset) 45 mA ••• ••• PI-1119-110194 Figure 6. Typical Waveforms for (1) Normal Operation, (2) Auto-restart, (3) Latching Shutdown, and (4) Power Down Reset. Shutdown/Auto-restart removing and restoring input power, or...
- Page 5 TOP100-4 General Circuit Operation Primary Feedback Regulation the integrated high-voltage MOSFET current will flow into the control pin. The circuit shown in Figure 7 is a simple transistor within the TOP100 (U1). The Increasing control pin current decreases 5 V, 5 W bias supply using the TOP100.
- Page 6 TOP100-4 3.3 µH UG8BT 7.5 V 39 Ω 68 Ω 680 µF 120 µF P6KE91 25 V 25 V NEC2501 UF4004 1N5234B 6.2 V 200 V 27 µF 200 V 20 mH 1N4148 CIRCUIT PERFORMANCE: Line Regulation - ±0.5% (85-132 VAC) 1 nF 0.1 µF...
- Page 7 TOP100-4 3.3 µH MUR610CT 15 V 200 Ω 120 µF 1000 µF P6KE91 1/2 W 25 V 35 V 47 µF 200 V BYV26B 1N4148 NEC2501 200 V 33 mH 0.1 µF CIRCUIT PERFORMANCE: 510 Ω Line Regulation - ±0.2% 49.9 kΩ...
- Page 8 TOP100-4 General Circuit Operation (cont.) Boost PFC Pre-regulator by the boost inductance and parasitic When power is first applied, C3 charges TOPSwitch can also be used as a fixed capacitance. R1 generates a pre- to typically 5.7 volts before TOPSwitch...
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Page 9: Absolute Maximum Ratings
TOP100-4 ABSOLUTE MAXIMUM RATINGS DRAIN Voltage ..........-0.3 to 350 V Thermal Impedance (θ ) ........70°C/W ........2 °C/W CONTROL Voltage ........- 0.3 V to 9 V Thermal Impedance (θ Storage Temperature ........-65 to 125°C Operating Junction Temperature .... -
Page 10: Circuit Protection
TOP100-4 Conditions (Unless Otherwise Specified) Specification Symbol Units See Figure 14 SOURCE = 0 V = -40 to 125°C SHUTDOWN/AUTO-RESTART (cont.) UV Lockout S1 open Threshold Voltage Auto-restart S1 open Hysteresis Voltage Auto-restart S1 open Duty Cycle Auto-restart S1 open... - Page 11 TOP100-4 Conditions (Unless Otherwise Specified) Specification Symbol Units See Figure 14 SOURCE = 0 V = -40 to 125°C OUTPUT TOP100 = 25°C 10.5 12.4 = 110 mA = 100°C TOP101 = 25°C = 190 mA = 100°C TOP102 = 25°C ON-State Ω...
- Page 12 TOP100-4 Conditions (Unless Otherwise Specified) Specification Symbol Units See Figure 14 VS2 = 16 V R1 = 0 Ω SOURCE = 0 V = -40 to 125°C LOW INPUT VOLTAGE OPERATION (See Note 3) DRAIN Supply Volts See Note 4...
- Page 13 TOP100-4 TYPICAL CONTROL PIN I-V CHARACTERISTIC Latched Shutdown DRAIN Trigger Current (45 mA) DC = VOLTAGE Dynamic Impedance Slope PI-1215-091794 Figure 12. TOPSwitch Duty Cycle Measurement. CONTROL Pin Voltage (V) Figure 13. TOPSwitch CONTROL Pin I-V Characteristic. 470 Ω DRAIN...
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Page 14: Typical Performance Characteristics
TOP100-4 BENCH TEST PRECAUTIONS FOR EVALUATION OF ELECTRICAL CHARACTERISTICS The following precautions should be The control pin voltage will be oscillating that the continuous DRAIN voltage waveform may be observed. It is followed when testing TOPSwitch by at a low frequency from 4.7 to 5.7 V and... -
Page 15: Output Characteristics
TOP100-4 Typical Performance Characteristics (cont.) OUTPUT CHARACTERISTICS C OSS vs. DRAIN VOLTAGE 1000 Scaling Factors: TOP104 1.00 T CASE = 25°C TOP103 0.87 T CASE = 100°C TOP102 0.67 TOP101 0.47 TOP100 0.27 Scaling Factors: TOP104 1.00 TOP103 0.87 TOP102 0.67 TOP101 0.47... - Page 16 TOP100-4 Y03A Plastic TO-220/3 inches .460-.480 11.68-12.19 10.16-10.54 .400-.415 5.99-6.60 .236-.260 6.10 - REF. .240 - REF. Notes: .520-.560 13.21-14.22 1. Package dimensions conform to JEDEC specification TO-220 AB for .028-.038 .71-.97 standard flange mounted, peripheral .045-.055 1.14-1.40 lead package; .100 inch lead spacing (Plastic) 3 leads (issue J, March 1987) 2.29-2.79...
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