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TPS65165 Datasheet(PDF) 6 Page - Texas Instruments |
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TPS65165 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 26 page www.ti.com TPS65165 SLVS723 – DECEMBER 2006 PIN ASSIGNMENT (continued) TERMINAL FUNCTIONS (continued) TERMINAL I/O DESCRIPTION NAME NO. Logic control input to enable High Voltage Stress Test. With HVS=low the high voltage stress test is disabled. HVS 17 I With HVS=high the high voltage stress test is enabled. Drive pin for the negative charge pump converter generating VGL. Using a single stage charge pump inverts DRVN 18 I/O the voltage present at the main boost converter Vs and regulates it down to the desired voltage programmed by the feedback divider. SS 20 O Softstart for the main boost converter generating Vs. Connect a capacitor to this pin to set the softstart time. FBN 21 I Feedback of the negative charge pump converter. Reference output. Connect a 220-nF capacitor directly from REF pin to AGND to minimize possible noise REF 22 O coupling into the reference of the IC. AGND 23 I Analog Ground , positive and negative charge pump ground. VIN 24 I Supply pin for the IC. Bypass this pin with a 1- µF capacitor directly to GND. EN 25 I Enable pin of the IC. EN=high enables the IC. EN= low disables the IC. This pin must be terminated. PGND 27, 28 Power Ground for the boost converter. SW 29, 30 I/O Switch pin of the boost regulator generating Vs This resistor sets the voltage of the boost converter Vs when the High Voltage Stress test is enabled. RHVS 32 I (HVS=high). With HVS=high the RHVS pin is pulled to GND which sets the output voltage for the boost converter. When HVS is disabled (HVS=low) the RHVS pin is high impedance. COMP 33 O Compensation for the regulation loop of the boost converter generating Vs. FB 34 I Feedback of the boost converter generating Vs. VGH 35 O This is the output voltage of the internal high voltage switch, controlled by the CTRL signal. DRN 36 I/O Connect the discharge resistor for the Gate voltage shaping to this pin. FBP 37 I This is the feedback for the positive charge pump converter generating VGH Output of the positive charge pump which is internally connected to the high voltage switch Q2. Connect a POUT 38 O 1- µF output capacitor to this pin as well as the feedback divider to set the output voltage for the positive charge pump respectively for VGH. Positive terminal of the flying capacitor for the positive charge pump. Typically a 330-nF flying capacitor is C1P 39 I/O required. Negative terminal of the flying capacitor for the positive charge pump. Typically a 330-nF flying capacitor is C1N 40 I/O required. 6 Submit Documentation Feedback |
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