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CS1500-FSZ Scheda tecnica(PDF) 2 Page - Cirrus Logic |
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CS1500-FSZ Scheda tecnica(HTML) 2 Page - Cirrus Logic |
2 / 22 page CS1500 2 DS849A7 Jul ?$shortyear> CONFIDENTIAL Table 1. Pin Descriptions Pin Name Pin # I/O Description NC 1, 8 - NC — No connections STBY 2IN Remote On/Off Control — A voltage below 0.8 V shuts down the IC (not latched) and brings the device into low power consumption mode. The input has an internal 600 k Ω pull-up resistor to the VDD pin and should be driven with an open-collector device. IAC 3IN Rectifier Voltage Sense — A current proportional to the rectified line voltage (Vrect) is fed into this pin. The current is measured with an A/D converter. FB 4IN Link Voltage Sense — A current proportional to the output link voltage (Vlink) of the PFC is fed into this pin. The current is measured with an A/D converter. GND 5- Ground — Current return for both the input signal portion of the IC and the gate driver. GD 6OUT Gate Driver Output — The totem pole stage is able to drive the power MOSFET with a peak current of 0.5 A source and 1.0 A sink. The high-level voltage of this pin is clamped at VZ to avoid excessive gate voltages. VDD 7IN IC Supply Voltage — Supply voltage of both the input signal portion of the IC and the gate driver. |
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