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ICE1PCS02 Datasheet(PDF) 5 Page - Infineon Technologies AG |
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ICE1PCS02 Datasheet(HTML) 5 Page - Infineon Technologies AG |
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5 / 18 page  Version 1.2 5 06 Feb 2007 CCM-PFC ICE1PCS02/G Pin Configuration and Functionality 1 Pin Configuration and Functionality 1.1 Pin Configuration Figure 1 Pin Configuration (top view) 1.2 Pin Functionality GND (Ground) The ground potential of the IC. ICOMP (Current Loop Compensation) Low pass filter and compensation of the current control loop. The capacitor which is connected at this pin integrates the output current of OTA2 and averages the current sense signal. ISENSE (Current Sense Input) The ISENSE Pin senses the voltage drop at the external sense resistor (R1). This is the input signal for the average current regulation in the current loop. It is also fed to the peak current limitation block. During power up time, high inrush currents cause high voltage drop at R1, driving currents into pin 3 which could be beyond the absolute maximum ratings. Therefore a series resistor (R2) of around 220 Ω is recommended in order to limit this current into the IC. VINS (Brown-out Sense Input) This VINS pin senses a filtered input voltage divider and detects for the input voltage Brown-out condition. A Brown-out condition of VINS<0.8V, shuts down the IC. The IC turns on at VINS>1.5V. VSENSE (Voltage Sense/Feedback) The output bus voltage is sensed at this pin via a resistive divider. The reference voltage for this pin is 5V. VCOMP (Voltage Loop Compensation) This pin provides the compensation of the output voltage loop with a compensation network to ground (see Figure 2). VCC (Power Supply) The VCC pin is the positive supply of the IC and should be connected to an external auxiliary supply. The operating range is between 10V and 21V. The turn-on threshold is at 11.2V and under voltage occurs at 10.2V. There is no internal clamp for a limitation of the power supply. GATE The GATE pin is the output of the internal driver stage, which has a capability of 1.5A source and sink current. Its gate drive voltage is internally clamped at 11.5V (typically). Pin Symbol Function 1 GND IC Ground 2 ICOMP Current Loop Compensation 3 ISENSE Current Sense Input 4 VINS Brown-out Sense Input 5 VCOMP Voltage Loop Compensation 6 VSENSE VOUT Sense (Feedback) Input 7 VCC IC Supply Voltage 8 GATE Gate Drive Output Package PG-DIP-8 / PG-DSO-8 1 6 7 8 4 3 2 5 GATE GND ICOMP ISENSE VCC VSENSE VINS VCOMP |
Similar Part No. - ICE1PCS02_07 |
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Similar Description - ICE1PCS02_07 |
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