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ISL62882IRTZ Datasheet(PDF) 4 Page - Intersil Corporation |
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ISL62882IRTZ Datasheet(HTML) 4 Page - Intersil Corporation |
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4 / 42 page  ISL62882, ISL62882B 4 FN6890.4 June 21, 2011 25 30 VCCP Input voltage bias for the internal gate drivers. Connect +5V to the VCCP pin. Decouple with at least 1µF of an MLCC capacitor to VSSP1 and VSSP2 pins respectively. 26 32 LGATE2 Output of the Phase-2 low-side MOSFET gate driver. Connect the LGATE2 pin to the gate of the Phase-2 low-side MOSFET. 27 33 VSSP2 Current return path for the Phase-2 converter low-side MOSFET gate driver. Connect the VSSP2 pin to the source of the Phase-2 low-side MOSFET through a low impedance path, preferably in parallel with the trace connecting the LGATE2 pin to the gate of the Phase-2 low-side MOSFET. 28 34 PHASE2 Current return path for the Phase-2 high-side MOSFET gate driver. Connect the PHASE2 pin to the node consisting of the high-side MOSFET source, the low-side MOSFET drain, and the output inductor of Phase-2. 29 35 UGATE2 Output of the Phase-2 high-side MOSFET gate driver. Connect the UGATE2 pin to the gate of the Phase-2 high-side MOSFET. 30 36 BOOT2 Connect an MLCC capacitor across the BOOT2 and the PHASE2 pins. The boot capacitor is charged through an internal boot diode connected from the VCCP pin to the BOOT2 pin, each time the PHASE2 pin drops below VCCP minus the voltage dropped across the internal boot diode. 31 thru 37 38 thru 44 VID0 thru VID6 VID input with VID0 = LSB and VID6 = MSB. 38 45 VR_ON Voltage regulator enable input. A high level logic signal on this pin enables the regulator. 39 46 DPRSLPVR Deeper sleep enable signal. A high level logic signal on this pin indicates that the microprocessor is in deeper sleep mode. 40 47 CLK_EN# Open drain output to enable system PLL clock. It goes low 13 switching cycles after Vcore is within 10% of Vboot. -48 NC No connect. pad pad BOTTOM The bottom pad of ISL62882B is electrically connected to the GND pin inside the IC. Functional Pin Descriptions (Continued) ISL62882 ISL62882B SYMBOL DESCRIPTION |
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