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PI3318-21-LGIZ Datasheet(PDF) 10 Page - Vicor Corporation

Part # PI3318-21-LGIZ
Description  8V to 36Vin, 15A Cool-Power ZVS Buck Regulator
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Manufacturer  VICOR [Vicor Corporation]
Direct Link  http://www.vicorpower.com
Logo VICOR - Vicor Corporation

PI3318-21-LGIZ Datasheet(HTML) 10 Page - Vicor Corporation

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vicorpower.com
Rev 1.3
Cool-Power®
800 735.6200
09/2015
Page 10 of 26
PI33XX-X1
PI3318-X1 (1.8 Vout) Electrical Characteristics
Specifications apply for -40C < TJ < 125C, Vin =24V, L1=125nH (Note 1) unless other conditions are noted.
Parameter
Symbol
Min
Typ
Max
Units
Conditions
Timing
Switching Frequency
fS
550
kHz
Note 6.
Fault Restart Delay
tFR_DLY
30
ms
Sync In (SYNCI)
Synchronization Frequency Range
∆fSYNCI
50
110
%
Relative to set switching
frequency. Note 3.
SYNCI Threshold
VSYNCI
2.5
V
Sync Out (SYNCO)
SYNCO High
VSYNCO_HI
4.5
V
Source 1mA
SYNCO Low
VSYNCO_LO
0.5
V
Sink 1mA
SYNCO Rise Time
tSYNCO_RT
10
ns
20pF load
SYNCO Fall Time
tSYNCO_FT
10
ns
20pF load
Soft Start And Tracking
TRK Active Input Range
VTRK
0
1.04
V
Internal reference
tracking range.
TRK Max Output Voltage
VTRK_MAX
1.2
V
TRK Disable Threshold
VTRK_OV
20
40
60
mV
Charge Current (Soft – Start)
ITRK
-70
-50
-30
µA
Discharge Current (Fault)
ITRK_DIS
6.8
mA
Soft-Start Time
tSS
2.2
ms
CTRK = 0uF
Enable
High Threshold
VEN_HI
0.9
1
1.1
V
Low Threshold
VEN_LO
0.7
0.8
0.9
V
Threshold Hysteresis
VEN_HYS
100
200
300
mV
Enable Pull-Up Voltage
(floating, unfaulted)
VEN_PU
2
V
Enable Pull-Down Voltage
(floating, faulted)
VEN_PD
0
V
Source Current
IEN_SO
-50
µA
Sink Current
IEN_SK
50
µA
Note 1:
All parameters reflect regulator and inductor system
performance. Measurements were made using a standard PI33XX
evaluation board with 3x4” dimensions and 4 layer, 2oz copper.
Refer to inductor pairing table within Application Description
section for specific inductor manufacturer and value.
Note 2:
Regulator is assured to meet performance specifications
by design, test correlation, characterization, and/or statistical
process control.
Note 3:
Output current capability may be limited and other
performance may vary from noted electrical characteristics when
switching frequency or Vout is modified.
Note 4:
Refer to Output Ripple plots.
Note 5:
Refer to Load Current vs. Ambient Temperature curves.
Note 6:
Refer to Switching Frequency vs. Load current curves.


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