TOP101AI POWERINT [Power Integrations, Inc.], TOP101AI Datasheet
![no-image](/images/no-image-200.jpg)
TOP101AI
Related parts for TOP101AI
TOP101AI Summary of contents
Page 1
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 • ...
Page 2
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 ...
Page 3
TOPSwitch Family Functional Description TOPSwitch is a self biased and protected linear control current-to-duty cycle converter with an open drain output. High efficiency is achieved through the use of CMOS and integration of the maximum number of functions possible. CMOS ...
Page 4
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 ...
Page 5
DRAIN 0 V OUT 0 I OUT Figure 6. Typical Waveforms for (1) Normal Operation, (2) Auto-restart, (3) Latching Shutdown, and (4) Power Down Reset. Shutdown/Auto-restart ...
Page 6
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 ...
Page 7
BR1 C1 200 200 0.1 F DRAIN F1 SOURCE 3.15 A CONTROL L U1 TOP101YAI N J1 Figure 8. Schematic Diagram 100/110 VAC Input Power Supply Utilizing the ...
Page 8
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 ...
Page 9
General Circuit Operation (cont.) Boost PFC Pre-regulator TOPSwitch can also be used as a fixed frequency, discontinuous mode boost pre-regulator to improve Power Factor and reduce Total Harmonic Distortion (THD) for applications such as power supplies and electronic ballasts. The ...
Page 10
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 ...
Page 11
Specification Symbol SHUTDOWN/AUTO-RESTART (cont.) UV Lockout Threshold Voltage Auto-restart Hysteresis Voltage Auto-restart Duty Cycle Auto-restart Frequency CIRCUIT PROTECTION Self-protection I Current Limit LIMIT Leading Edge t Blanking Time LEB Current Limit t Delay ILD Thermal Shutdown Temperature Latched Shutdown I ...
Page 12
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 ...
Page 13
Specification Symbol LOW INPUT VOLTAGE OPERATION (See Note 3) DRAIN Supply Voltage CONTROL Pin Charging Current Auto-restart Duty Cycle Auto-restart Frequency NOTES: 1. For specifications with negative values, a negative temperature coefficient corresponds to an increase in magnitude with increasing ...
Page 14
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 ...
Page 15
BENCH TEST PRECAUTIONS FOR EVALUATION OF ELECTRICAL CHARACTERISTICS The following precautions should be followed when testing TOPSwitch by itself outside of a power supply. The schematic shown in Figure 14 is suggested for laboratory testing of TOPSwitch. When the DRAIN ...
Page 16
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 ...
Page 17
Y03A mm DIM inches .460-.480 11.68-12. .400-.415 10.16-10.54 C .236-.260 5.99-6.60 6.10 - REF. D .240 - REF. 13.21-14.22 E .520-.560 .028-.038 .71-. .045-.055 1.14-1.40 H .090-.110 2.29-2.79 4.19-4.70 J .165-.185 1.14-1.40 K .045-.055 2.41-2.92 L ...
Page 18
TOP100 7/96 NOTES ...
Page 19
NOTES TOP100 7/96 ...
Page 20
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 ...