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EVB-EP53A7LQI Datasheet(PDF) 2 Page - Altera Corporation |
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EVB-EP53A7LQI Datasheet(HTML) 2 Page - Altera Corporation |
2 / 19 page EP53A7LQI/EP53A7HQI Ordering Information Part Number Comment Package EP53A7LQI LOW VID Range 16-pin QFN T&R EP53A7HQI HIGH VID Range 16-pin QFN T&R EVB-EP53A7LQI EP53A7LQI Evaluation Board EVB-EP53A7HQI EP53A7HQI Evaluation Board Pin Assignments (Top View) Figure 3: EP53A7LQI Pin Out Diagram (Top View) Figure 4: EP53A7HQI Pin Out Diagram (Top View) Pin Description PIN NAME FUNCTION 1, 15, 16 NC(SW) NO CONNECT – These pins are internally connected to the common switching node of the internal MOSFETs. NC (SW) pins are not to be electrically connected to any external signal, ground, or voltage. However, they must be soldered to the PCB. Failure to follow this guideline may result in part malfunction or damage to the device. 2 PGND Power ground. Connect this pin to the ground electrode of the Input and output filter capacitors. 3 LLM LLM ( Light load mode – “LLM”) pin. Logic-High enables automatic LLM/PWM and logic- low places the device in fixed PWM operation. 4 VFB NC EP53A7LQI: Feed back pin for external resistor divider option. EP53A7HQI: No Connect 5 VSENSE Sense pin for preset output voltages. Refer to application section for proper configuration. 6 AGND Analog ground. This is the quiet ground for the internal control circuitry, and the ground return for external feedback voltage divider 7, 8 VOUT Regulated Output Voltage. Refer to application section for proper layout and decoupling. 2 www.altera.com/enpirion 01543 October 11, 2013 Rev D |
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