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EP5362QI Datasheet(PDF) 4 Page - Altera Corporation |
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EP5362QI Datasheet(HTML) 4 Page - Altera Corporation |
4 / 18 page EP5382QI/EP5362QI/EP5352QI Pin Description VIN (Pin 1,2): Input voltage pin. Supplies power to the IC. VIN can range from 2.4V to 5.5V. Input GND: (Pin 3): Input power ground. Connect this pin to the ground terminal of the input capacitor. Refer to Layout Recommendations for further details. Output GND: (Pin 4): Power ground. The output filter capacitor should be connected to this pin. Refer to Layout recommendations for further detail. VOUT (Pin 5,6,7): Regulated output voltage. NC (Pin 8,9,10,11,12,13,14): These pins should not be electrically connected to each other or to any external signal, voltage, or ground. One or more of these pins may be connected internally. VSENSE (Pin 15): Sense pin for output voltage regulation. Connect VSENSE to the output voltage rail as close to the terminal of the output filter capacitor as possible. VFB (Pin 16): Feed back pin for external divider option. When using the external divider option (VS0=VS1=VS2= high) connect this pin to the center of the external divider. Set the divider such that VFB = 0.603V. VS0,VS1,VS2 (Pin 17,18,19): Output voltage select. VS0=pin19, VS1=pin18, VS2=pin17. Selects one of seven preset output voltages or choose external divider by connecting pins to logic high or low. Logic low is defined as VLOW ≤ 0.4V. Logic high is defined as V HIGH ≥ 1.4V. Any level between these two values is indeterminate. (refer to section on output voltage select for more detail). ENABLE (Pin 20): Output enable. Enable = logic high, disable = logic low. Logic low is defined as VLOW ≤ 0.2V. Logic high is defined as VHIGH ≥ 1.4V. Any level between these two values is indeterminate. Thermal Pad. Thermal pad to remove heat from package. Connect to surface ground pad and PCB internal ground plane. Figure 2. Pin description, top view. VOUT VFB VSENSE NC NC NC NC VOUT GND GND VIN 1 2 6 5 4 3 11 12 13 14 15 16 VIN VOUT VFB VSENSE NC NC NC NC VOUT GND GND VIN 1 2 5 4 3 11 12 13 14 15 16 VIN Thermal Pad 6 Figure 3. Pin description, bottom view. 4 www.altera.com/enpirion 03132 October 11, 2013 Rev H |
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