TOP266EG/VG POWERINT [Power Integrations, Inc.], TOP266EG/VG Datasheet
TOP266EG/VG
Related parts for TOP266EG/VG
TOP266EG/VG Summary of contents
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... PWM control, oscillator, thermal shutdown circuit, fault protection and other control circuitry onto a monolithic device. 1 85-265 VAC 4 Product Open Adapter 2 Frame 22.5 W TOP264EG/ TOP265EG/ 28.5 W TOP266EG/ TOP267EG/VG 21 TOP268EG/VG 22.5 W 37.5 W TOP269EG/VG 24 TOP270EG/ TOP271EG/ CONTROL C ...
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TOP264-271 Functional Block Diagram ....................................................................................................................................... 3 Pin Functional Description ...................................................................................................................................... 3 TOP264-271 Functional Description ........................................................................................................................ 4 CONTROL (C) Pin Operation .................................................................................................................................... 5 Oscillator and Switching Frequency .......................................................................................................................... 5 Pulse Width Modulator ............................................................................................................................................ 5 Maximum Duty Cycle ............................................................................................................................................... 6 Error Amplifier ...
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V C CONTROL ( SHUNT REGULATOR/ ERROR AMPLIFIER - 5 (LIMIT) CURRENT LIMIT ADJUST ON/OFF EXTERNAL CURRENT LIMIT ( VOLTAGE MONITOR ( OVP OV/ ...
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TOP264-271 + R 4 MΩ Input Voltage CONTROL kΩ Figure 4. 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 6. 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 7. 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 ...
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CONTROL (C) EXTERNAL CURRENT LIMIT (X) VOLTAGE MONITOR (V) Figure 9. 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 10. Full Frequency Operation (132 kHz). 12 Rev. B 03/10 Input Voltage C PI-2654-071700 Figure 11. Half Frequency Operation (66 kHz ...
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Typical Uses of VOLTAGE MONITOR (V) and EXTERNAL CURRENT LIMIT (X) Pins + V Package (eDIP-12 Input S 7 Voltage CONTROL ...
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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 18. 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 24 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 25 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 package Not available Breakdown voltage BV Min. 700 ...
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TOP264-271 frequency. This is particularly beneficial for average detection mode. As can be seen in Figures 26 and 27, 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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CONTROL and SOURCE pins of TOP264-271 and away from the drain and clamp component traces. The primary side clamp circuit should be positioned such that the loop area from the transformer end (shared with DRAIN) and ...
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TOP264-271 Maximize Copper Area for Optimum Heat Sinking RLS1 RPL1 U1 RIL CBP Input Filter Capacitor Figure 28. Layout Considerations for TOPSwitch-JX Using V-Package and Operating at 132 kHz. Input Filter Capacitor ...
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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 Peak ...
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TOP264-271 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 ...
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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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TOP264-271 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 ...
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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 www.powerint.com ...
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TOP264-271 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 ...
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VOLTAGE Figure 30. Duty Cycle Measurement. 120 100 Dynamic Impedance CONTROL Pin Voltage (V) Figure 31. CONTROL Pin I-V Characteristic 0-15 V NOTES: 1. This test circuit is not ...
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TOP264-271 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 ...
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Typical Performance Characteristics (cont.) 1.1 1.0 0.9 -50 - Junction Temperature (°C) Figure 36. Breakdown Voltage vs. Temperature. 1.2 1.0 0.8 0.6 0.4 0.2 0 -50 - Junction Temperature (°C) Figure 38. Internal Current ...
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TOP264-271 Typical Performance Characteristics (cont.) 6 5.5 5 4.5 4 3 100 200 VOLTAGE-MONITOR Pin Current (µA) Figure 42. VOLTAGE-MONITOR Pin vs. Current. 1.2 1.0 0.8 0.6 0.4 0.2 0 -50 - Junction ...
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Typical Performance Characteristics (cont.) 10000 1000 100 10 0 100 200 300 Drain Pin Voltage (V) Figure 48. C vs. DRAIN Voltage. OSS www.powerint.com Scaling Factors: TOP271 1.62 TOP270 1.42 TOP269 1.17 TOP268 1.00 TOP267 0.85 TOP266 0.61 TOP265 0.42 ...
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TOP264-271 2 0.403 (10.24) 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 FRONT VIEW 10° Ref. All Around 0.021 (0.53) 0.019 (0.48) 0.048 (1.22) 0.046 (1.17) 0.378 (9.60) Ref. 0.019 ...
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Pin #1 I.D. 0.316 [8.03] (Laser Marked) Ref 0.004 [0.10 0.350 [8.89 TOP VIEW 0.356 [9.04] Ref. 0.019 [0.48] Ref. H 0.031 [0.80] ...
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Revision Notes A Release data sheet. B Added eDIP parts. B Page 4 “latching” changed to “hysteretic”. Table 4 updated. For the latest updates, visit our website: www.powerint.com Power Integrations reserves the right to make changes to its products at ...