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34653 Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc |
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34653 Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc |
3 / 24 page Analog Integrated Circuit Device Data Freescale Semiconductor 3 34653 PIN CONNECTIONS PIN CONNECTIONS Figure 3. 8-SOICN Pin Connections Table 1. 8-SOICN Pin Definitions A functional description of each pin can be found in the FUNCTIONAL PIN DESCRIPTION section beginning on page 8. Pin Pin Name Formal Name Definition 1 PG Power Good Output (Active High) This is an active high power good output signal. This pin is referenced to VIN. 2 PG Power Good Output (Active Low) This is an active low power good output signal. This pin is referenced to VIN. 3 VOUT Voltage Output This pin is the drain of the internal Power MOSFET and supplies a current limited voltage to the load. 4 VIN Negative Supply Voltage Input This is the most negative power supply input. All pins except DISABLE are referenced to this input. 5 VPWR Positive Supply Voltage Input This is the most-positive power supply input. The load connects between this pin and the VOUT pin. 6 DISABLE Disable Input Control This pin is used to easily disconnect or connect the load from the main power line by disabling or enabling the 34653. It can also be used to reset the fault conditions that cause a “Power No Good” signal. This pin is referenced to VPWR. 7 ILIM Current Limit Control This pin is used to set the overcurrent limit during normal operation. 8 ICHG Charging Current Limit Control This pin is used to set the load’s input capacitor charging current limit, hence limiting the inrush current to a known constant value. ICHG ILIM DISABLE VPWR VIN PG PG VOUT 2 3 4 8 7 6 5 1 |
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