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PI3301-20-LGIZ Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers |
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PI3301-20-LGIZ Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers |
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4 / 42 page  vicorpower.com Rev 1.4 Cool-Power ® 800 735.6200 11/2012 Page 4 of 42 PI33XX-X0 PGD VS1 Block 4 VIN Block 3 PGND Block 2 SGND ADJ TRK SDA SCL ADR0 ADR1 K J H G F E D C B A 13 12 5 4 3 1 14 2 10 9 8 7 6 11 SGND Block 1 VOUT Block 5 Pin Description Name Number Description SGND Block 1 Signal ground: Internal logic ground for EA, TRK, SYNCI, SYNCO, ADJ and I 2C (options) communication returns. SGND and PGND are star connected within the regulator package. PGND Block 2 Power ground: VIN and VOUT power returns VIN Block 3 Input voltage: and sense for UVLO, OVLO and feed forward ramp VOUT Block 5 Output voltage: and sense for power switches and feed-forward ramp VS1 Block 4 Switching node: and ZVS sense for power switches PGD A1 Parallel Good: Used for parallel timing management intended for lead regulator. EAO A2 Error amp output: External connection for additional compensation and current sharing. EN A3 Enable Input: Regulator enable control. Asserted high or left floating – regulator enabled; Asserted low, regulator output disabled. Polarity is programmable via I 2C interface. REM A5 Remote Sense: High side connection. Connect to output regulation point. ADJ B1 Adjust input: An external resistor may be connected between ADJ pin and SGND or VOUT to trim the output voltage up or down. TRK C1 Soft-start and track input: An external capacitor may be connected between TRK pin and SGND to decrease the rate of rise during soft-start. NC K3, A4 No Connect: Leave pins floating. SYNCO K4 Synchronization output: Outputs a low signal for ½ of the minimum period for synchronization of other converters. SYNCI K5 Synchronization input: Synchronize to the falling edge of external clock frequency. SYNCI is a high impedance digital input node and should always be connected to SGND when not in use. SDA D1 Data Line: Connect to SGND for PI33XX-10 and -11. For use with PI33XX-20 and -21 only. SCL E1 Clock Line: Connect to SGND for PI33XX-10 and -11. For use with PI33XX-20 and -21 only. ADR1 H1 Tri-state Address : No connect for PI33XX-10 and -11. For use with PI33XX-20 and -21 only. ADR0 G1 Tri-state Address : No connect for PI33XX-10 and -11. For use with PI33XX-20 and -21 only. Package Pin-Out Block 1: B2-4, C2-4, D2-3, E2-3, F1-3, G2-3, H2-3, J1-3, K1-2 Block 2: A8-10, B8-10, C8-10, D8-10, E4-10, F4-10, G4-10, H4-10, J4-10, K6-10 Block 3: G12-14, H12-14, J12-14, K12-14 Block 4: A12-14, B12-14, C12-14, D12-14, E12-14, Block 5: A6-7, B6-7, C6-7, D6-7 123-Lead LGA (10mm x 14mm) Top view |
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