PI3420-00-LGIZ Datasheet, PDF (5/30 Pages) Vicor Corporation – 8 V to 18 Vin, 15 A Cool-Power ZVS Buck Regulator

PI34xx-00
Pin Description
Name
SGND
PGND
VIN
VOUT
VS1
PGD
EAO
EN
REM
ADJ
TRK
NC
SYNCO
SYNCI
SDA
SCL
ADR1
ADR0
Location
Block 1
Block 2
Block 3
Block 5
Block 4
A1
A2
A3
A5
B1
C1
K3, A4
K4
K5
D1
E1
H1
G1
Description
Signal ground: Internal logic ground for EA, TRK, SYNCI, SYNCO and ADJ. SGND and PGND are star connected
within the regulator package.
Power ground: V_IN and V_OUT power returns.
Input voltage: and sense for UVLO, OVLO and feed forward ramp.
Output voltage: and sense for power switches and feed-forward ramp.
Switching node: and ZVS sense for power switches.
Parallel Good: Used for parallel timing management intended for lead regulator.
Error amp output: External connection for additional compensation and current sharing.
Enable Input: Regulator enable control. Asserted high or left floating – regulator enabled; Asserted low,
regulator output disabled.
Remote Sense: High side connection. Connect to output regulation point.
Adjust input: An external resistor may be connected between ADJ pin and SGND or V_OUT to trim the output
voltage up or down.
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.
No Connect: Leave pins floating.
Synchronization output: Outputs a high signal for ½ of the minimum period for synchronization of other
regulators.
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.
Data Line: Connect to SGND. Factory use only. Not for use in application.
Clock Line: Connect to SGND. Factory use only. Not for use in application.
Tri-state Address: No connect. Factory use only. Not for use in application.
Tri-state Address: No connect. Factory use only. Not for use in application.
Package Pin-Out
PGND
Block 2
1 2 3 4 5 6 7 8 9 10 11 12 13 14
SGND ^K
Block 1
J
ADR1 H
VIN
Block 3
ADR0 G
SGND F
SCL E
SDA D
TRK C
ADJ B
VS1
Block 4
PGD A
VOUT
Block 5
Block 1:
Block 2:
Block 3:
Block 4:
Block 5:
B2-4, C2-4, D2-3, E2-3, F1-3, G2-3, H2-3, J1-3, K1-2
A8-10, B8-10, C8-10, D8-10, E4-10, F4-10, G4-10, H4-10, J4-10, K6-10
G12-14, H12-14, J12-14, K12-14
A12-14, B12-14, C12-14, D12-14, E12-14,
A6-7, B6-7, C6-7, D6-7
Cool-Power^®
Page 5 of 30
Rev 1.3
12/2015
vicorpower.com
800 927.9474