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MC34652EF Datasheet(PDF) 3 Page - Freescale Semiconductor, Inc |
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MC34652EF Datasheet(HTML) 3 Page - Freescale Semiconductor, Inc |
3 / 25 page Analog Integrated Circuit Device Data Freescale Semiconductor 3 34652 TERMINAL CONNECTIONS TERMINAL CONNECTIONS Figure 3. 16-SOICN Terminal Connections Table 1. 16-SOICN Terminal Definitions A functional description of each terminal can be found in the FUNCTIONAL TERMINAL DESCRIPTION section beginning on page 9. Terminal Terminal Name Formal Name Definition 1, 8, 9, 16 VIN Negative Supply Input Voltage This is the most negative power supply input. All terminals except DISABLE are referenced to this input. 2 PG Power Good Output (Active High) This is an active high power good output signal. This terminal is referenced to VIN. 3 PG Power Good Output (Active Low) This is an active low power good output signal. This terminal is referenced to VIN. 4, 5 VOUT Output Voltage This terminal is the drain of the internal Power MOSFET and supplies a current limited voltage to the load. 6 TIMER Start-Up and Retry Delay Timer This input is used to control the time base used to generate the timing sequences at start-up and the retry delay when the device experiences any fault. 7 NC No Connect Not connected. 10 OV Overvoltage Control This terminal is used to set the upper limit of the input voltage operation range. 11 UV Undervoltage Control This terminal is used to set the lower limit of the input voltage operation range. 12 VPWR Positive Supply Input Voltage This is the most-positive power supply input. The load connects between this terminal and the VOUT terminal. 13 DISABLE Disable Input Control This terminal is used to easily disconnect or connect the load from the main power line by disabling or enabling the 34652. It can also be used to reset the fault conditions that cause a “Power No Good” signal. This terminal is referenced to VPWR. 14 ILIM Current Limit Control This terminal is used to set the overcurrent limit during normal operation. 15 ICHG Charging Current Limit Control This terminal is used to set the load’s input capacitor charging current limit, hence limiting the inrush current to a known constant value. VIN VIN ICHG ILIM DISABLE VPWR OV UV VIN VIN PG PG VOUT VOUT NC TIMER 8 2 3 4 5 7 6 9 16 15 14 13 12 10 11 1 |
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