TDA4862G Siemens Semiconductor Group, TDA4862G Datasheet
TDA4862G
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TDA4862G Summary of contents
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Power-Factor Controller (PFC) IC for High Power Factor and Active Harmonic Filter Advanced Information Features • IC for sinusoidal line-current consumption • Power factor approaching 1 • Controls boost converter as an active harmonics filter • Internal start-up with low ...
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Description The TDA 4862 is excellent convenient for designing a preconverter in ballasts and switched mode power supplies with sinusoidal line current consumption and a power factor approaching unity. The TDA 4862 controls a boost converter as an active harmonics ...
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Pin Definitions and Functions Pin Symbol Function V 1 Voltage Amplifier Inverting Input; SENSE V is connected via a resistive divider to the boost converter output. SENSE With a capacitor connected Voltage Amplifier Output; AOUT V is ...
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Functional Description Introduction Conventional electronic ballasts and switching power supplies are designed with a bridge rectifier and bulk capacitor. Their disadvantage is that the circuit draws power from the line when the instantaneous AC voltage exceeds the capacitor’s voltage. This ...
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Functional Description (cont’d) MuItiplier A one quadrant multiplier is the crucial circuitry that regulates the gate driver with respect of the DC output voltage and the AC haversine input voltage of the preregulator. Both inputs are designed for good linearity ...
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Functional Description (cont’d) Undervoltage Lockout An undervoltage lockout circuitry enables the output stage when threshold V and terminates the output stage when CC threshold the standby mode the supply current is typically internal CCL ...
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Voltage Voltage Amplifier Regulation 1 V SENSE + V REF 2 V AOUT 4 V Clamp 0 MULTIN 30 k Filter SENSE 5 V Clamp Detector 0 DETIN 2 1.9 V ...
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V IN RF-Filter and 90-270 V 0.22 F Rectifier 1.3 M 100 100 nF 100 F MULTIN GND 250 H Tr1 ...
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Absolute Maximum Ratings Parameter V Supply voltage supply + Z-current CC Current into GTDRV Clamping current into GTDRV Clamping current into GTDRV Voltage at V SENSE Voltage at V AOUT Voltage at MULTIN Pin 3 I Voltage ...
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Electrical Characteristics Unless otherwise stated, Parameter Overall Supply current, OFF Supply current, ON Supply current, dynamic V turn-ON threshold CC V turn-OFF threshold CC V turn-ON/OFF CC hysteresis V clamp CC Voltage Amplifier Voltage feedback threshold Voltage feedback threshold Line ...
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Electrical Characteristics (cont’d) Unless otherwise stated, Parameter Output voltage swing high state Output voltage swing low state Overvoltage Regulator Regulation current Current Comparator Input bias current Input offset voltage Max threshold voltage 1) Delay to output Detector Upper threshold voltage ...
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Electrical Characteristics (cont’d) Unless otherwise stated, Parameter Multiplier Input bias current Dynamic voltage range MULTIN V AOUT 1) Multiplier gain Restart Timer Restart time delay Gate Driver Output voltage low state Output voltage high state Output voltage active shut down ...
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I Supply Current versus CC V Supply Voltage VSENSE V VAOUT 3 V MULTIN V ISENSE V DETIN Turn-ON/-OFF Threshold Voltage versus Junction Temperature 12 ...
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Threshold Voltage Change T Junction Temperature Pin 1 connected to Pin -10 -15 - Threshold Voltage DETIN T Junction Temperature 3.00 1/V V DETIN ...
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Current Sense Threshold Voltage Amplifier Output 1 MULTIN ISENSE 1.0 0.8 0.6 0.4 0.2 0 2.5 3.0 3.5 4.0 t Restart Time Delay DLY T Junction Temperature 240 s t DLY 220 ...
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Package Outlines Plastic Package, P-DIP-8-1 (Plastic Dual In-line Package) Sorts of Packing Package outlines for tubes, trays etc. are contained in our Data Book “Package Information”. Semiconductor Group 16 TDA 4862 Dimensions in mm 1998-02-16 ...
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Plastic Package, P-DSO-8-1 (Plastic Dual Small Outline Package) Sorts of Packing Package outlines for tubes, trays etc. are contained in our Data Book “Package Information”. SMD = Surface Mounted Device Semiconductor Group 17 TDA 4862 Dimensions in mm 1998-02-16 ...