TOP270EG Power Integrations, TOP270EG Datasheet
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TOP270EG
Specifications of TOP270EG
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TOP270EG Summary of contents
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TOP264-271 TOPSwitch-JX Family ™ Integrated Off-Line Switcher with EcoSmart for Highly Efficient Power Supplies Product Highlights EcoSmart – Energy Efficient Ideal for applications from 245 W • Energy efficient over entire load range • No-load consumption below ...
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... Rev. C 11/10 1 85-265 VAC Product Open Adapter 2 Frame 22.5 W TOP264EG/ TOP265EG/ 28.5 W TOP266EG/ TOP267EG/ 21 TOP268EG/ 22.5 W 37.5 W TOP269EG/ 24 TOP270EG/ TOP271EG/ Metal Heat Sink 1 230 VAC ±15% 85-265 VAC 4 5 Open Adapter Adapter 2 Frame 119 137 105 W 148 128 W 162 147 W 190 177 W ...
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V C CONTROL ( SHUNT REGULATOR/ ERROR AMPLIFIER - 5 (LIMIT) CURRENT LIMIT ADJUST ON/OFF EXTERNAL CURRENT LIMIT ( VOLTAGE MONITOR ( OVP LINE ...
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TOP264-271 + R 4 MΩ Input Voltage CONTROL kΩ Figure 5. Package Line Sense and Externally Set Current Limit. TOP264-271 Functional Description Like TOPSwitch-HX, TOP264-271 is an integrated switched mode ...
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The pin can also be used as a remote ON/OFF using the I The EXTERNAL CURRENT LIMIT (X) pin can be used to reduce the current limit externally to a value close to the operating ...
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TOP264-271 f + OSC Switching Frequency f - OSC DRAIN Figure 7. Switching Frequency Jitter (Idealized V modes. Please see the following sections for the details of the operation of each mode and the transitions between modes. ...
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LINE 0 V S14 S15 S13 S12 DRAIN OUT Note: S0 through S15 are the output states of the auto-restart counter Figure 8. Typical Waveforms ...
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TOP264-271 If the power supply is operating under heavy load or low input line conditions when an open loop occurs, the output voltage may not rise significantly. Under these conditions, a latching shutdown will not occur until load or line ...
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X Pin (Enabled) Output MOSFET Switching (Disabled) I (Default) LIMIT Current Limit DC (78%) MAX Maximum Duty Cycle V BG Pin Voltage -250 -200 -150 Note: This figure provides idealized functional characteristics with typical performance values. Please refer to the ...
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TOP264-271 Shutdown/Auto-Restart (for OCP, SCP, OPP) To minimize TOP264-271 power dissipation under fault conditions such as over current (OC), short-circuit (SC) or over power (OP), the shutdown/auto-restart circuit turns the power supply on and off at an auto-restart duty cycle ...
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CONTROL (C) EXTERNAL CURRENT LIMIT (X) VOLTAGE MONITOR (V) Figure 10. VOLTAGE MONITOR (V) and EXTERNAL CURRENT LIMIT (X) Pin Input Simplified Schematic. www.powerint.com 200 µA (Negative Current Sense - ON/OFF, Current Limit Adjustment, OVP Latch Reset ...
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TOP264-271 Typical Uses of FREQUENCY (F) Pin + DC D Input CONTROL Voltage Figure 11. Full Frequency Operation (132 kHz). 12 Rev. C 11/10 Input Voltage C PI-2654-071700 Figure 12. Half Frequency Operation (66 kHz ...
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Typical Uses of VOLTAGE MONITOR (V) and EXTERNAL CURRENT LIMIT (X) Pins + E Package (eSIP-7C Input Voltage CONTROL Figure 13. Three Terminal ...
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TOP264-271 Typical Uses of VOLTAGE MONITOR (V) and EXTERNAL CURRENT LIMIT (X) Pins (cont 2.5 MΩ Input Voltage CONTROL kΩ - Figure 19. Current Limit Reduction with Line Voltage. + ...
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Application Example Low No-load, High Efficiency Universal Input Adapter Power Supply The circuit shown in Figure 25 shows a 90 VAC to 265 VAC input 3.42 A output power supply, designed for operation inside a sealed ...
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TOP264-271 The clamp network is formed by VR2, C4, R5, R6, R11, R28, R29 and D2. It limits the peak drain voltage spike caused by leakage inductance to below the BV DSS TOPSwitch-JX MOSFET. This arrangement was selected over a ...
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Very Low No-load, High Efficiency Universal Input, Open Frame, Power Supply The circuit shown in Figure 26 below shows an 85 VAC to 265 VAC input 2.5 A output power supply. The goals of the design ...
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TOP264-271 Clamp Configuration – RZCD vs RCD An RZCD (Zener bleed) was selected over RCD to give higher • light load efficiency and lower no-load consumption The clamp network is formed by VR1, C4, R5 and D5. It limits the ...
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TOPSwitch-HX vs. TOPSwitch-JX Function TOPSwitch-HX CONTROL current 3.4 mA C(OFF) C(OFF duty cycle (TOP256-258 External bias current B eDIP-12 / eSOP-12 Not available packages Breakdown voltage BV Min. 700 V ...
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TOP264-271 frequency. This is particularly beneficial for average detection mode. As can be seen in Figures 27 and 28, the benefits of jitter increase with the order of the switching harmonic due to an increase in frequency deviation. The FREQUENCY ...
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... DRAIN pin and attached to the same heat sink, having a resistance value that is equal to the difference between the measured R of the device under test and the worst case DS(ON) maximum specification. Design Tools Up-to-date information on design tools can be found at the Power Integrations website: www.powerint.com does not DS 21 Rev. C 11/10 ...
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TOP264-271 Maximize Copper Area for Optimum Heat Sinking RLS1 RPL1 U1 RIL CBP Input Filter Capacitor Figure 29. Layout Considerations for TOPSwitch-JX Using V Package and Operating at 132 kHz. Maximize Copper Area for Optimum Heat ...
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Input Filter Capacitor CBP C RLS2 RLS1 RPL1 ROV Figure 31. Layout Considerations for TOPSwitch-JX Using E Package and Operating at 132 kHz. www.powerint.com Clamp Isolation Barrier Circuit Capacitor T1 R6 HS1 ...
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TOP264-271 Absolute Maximum Ratings (2) DRAIN Pin Peak Voltage .......................................................... -0 725 V DRAIN Pin Peak Current: TOP264 ....................................................... 2.08 A DRAIN Pin Peak Current: TOP265 ........................................................2.72 A DRAIN Pin Peak Current: TOP266 ....................................................... 4.08 A DRAIN Pin ...
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Parameter Symbol Control Functions (cont.) External Bias Current I B CONTROL Current Duty Cycle C(OFF) Dynamic Impedance Z C Dynamic Impedance Temperature Drift CONTROL Pin Internal Filter Pole Upper Peak Current to k Set Current Limit Ratio ...
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TOP264-271 Parameter Symbol Voltage Monitor (V) and External Current Limit (X) Inputs (cont.) Output Overvoltage Latching Shutdown I OV(LS) Threshold Current V Pin Remote V ON/OFF Voltage V(TH) X Pin Remote ON/OFF and Latch Reset I Negative Threshold REM(N) Current ...
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Parameter Symbol Circuit Protection Self Protection Current Limit I LIMIT (See Note C) Initial Current Limit I INIT Power Coefficient P COEFF Leading Edge t Blanking Time LEB Current Limit Delay t IL(D) Thermal Shutdown Temperature Thermal Shutdown Hysteresis Power-Up ...
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TOP264-271 Parameter Symbol Output ON-State R Resistance DS(ON) DRAIN Supply Voltage OFF-State Drain I Leakage Current DSS Breakdown BV Voltage DSS Rise Time t R Fall Time t F Supply Voltage Characteristics I CD1 Control Supply/ Discharge Current I CD2 ...
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NOTES: A. Derived during test from the parameters DC B. For specifications with negative values, a negative temperature coefficient corresponds to an increase in magnitude with increasing temperature, and a positive temperature coefficient corresponds to a decrease in magnitude with ...
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TOP264-271 VOLTAGE Figure 32. Duty Cycle Measurement. 120 100 Dynamic Impedance CONTROL Pin Voltage (V) Figure 33. CONTROL Pin I-V Characteristic 0-15 V NOTES: 1. This test circuit is ...
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Typical Performance Characteristics 1.1 1 0.9 0.8 0.7 0.6 0.5 0.4 Normalized Current Limit 0.3 Notes: 1. Maximum and Minimum levels are 0.2 based on characterization 125 -200 ...
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TOP264-271 Typical Performance Characteristics (cont.) 1.1 1.0 0.9 -50 - Junction Temperature (°C) Figure 38. Breakdown Voltage vs. Temperature. 1.2 1.0 0.8 0.6 0.4 0.2 0 -50 - Junction Temperature (°C) Figure 40. Internal ...
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Typical Performance Characteristics (cont.) 6 5.5 5 4.5 4 3 100 200 VOLTAGE-MONITOR Pin Current (µA) Figure 44. VOLTAGE-MONITOR Pin vs. Current. 1.2 1.0 0.8 0.6 0.4 0.2 0 -50 - Junction Temperature ...
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TOP264-271 Typical Performance Characteristics (cont.) 10000 1000 100 10 0 100 200 300 Drain Pin Voltage (V) Figure 50. C vs. DRAIN Voltage. OSS 34 Rev. C 11/10 Scaling Factors: TOP271 1.62 TOP270 1.42 TOP269 1.17 TOP268 1.00 TOP267 0.85 ...
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A 0.397 (10.08 0.325 (8.25) 0.320 (8.13) Pin #1 I.D. 0.070 (1.78) Ref. 0.050 (1.27) 3 0.020 M 0. FRONT VIEW 10° Ref. All Around 0.021 (0.53) 0.019 (0.48) 0.048 (1.22) 0.046 (1.17) ...
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TOP264-271 Pin #1 I.D. 0.316 [8.03] (Laser Marked) Ref 0.004 [0.10 0.213 [5.41] 0.350 [8.89 TOP VIEW 0.356 [9.04] Ref. 0.019 [0.48] Ref. ...
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0.400 [10.16] Pin #1 I.D. (Laser Marked) 0.059 [1.50] 0.460 [11.68] 0.008 [0.20 2X, 6 Lead Tips 0.023 [0.58] 12× 0.018 [0.46] 0.010 (0.25 ...
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TOP264-271 Part Ordering Information TOP 264 Rev. C 11/10 • TOPSwitch Product Family • JX Series Number • Package Identifier E Plastic eSIP-7C V Plastic eDIP-12 K Plastic eSOP-12 • Pin Finish G Halogen Free ...
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Notes TOP264-271 39 Rev. C 11/10 ...
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... The products and applications illustrated herein (including transformer construction and circuits external to the products) may be covered by one or more U.S. and foreign patents, or potentially by pending U.S. and foreign patent applications assigned to Power Integrations. A complete list of Power Integrations patents may be found at www.powerint.com. Power Integrations grants its customers a license under certain patent rights as set forth at http://www ...