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PI3546-00-LGIZ Datasheet(PDF) 9 Page - Vicor Corporation

Part # PI3546-00-LGIZ
Description  36 Vin to 60 Vin Cool-Power ZVS Buck Regulator & LED Driver
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Manufacturer  VICOR [Vicor Corporation]
Direct Link  http://www.vicorpower.com
Logo VICOR - Vicor Corporation

PI3546-00-LGIZ Datasheet(HTML) 9 Page - Vicor Corporation

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Cool-Power®
Rev 1.3
vicorpower.com
Page 9 of 37
02/2016
800 927.9474
PI354x-00
PI3542-00 (2.5 VOUT) Electrical Characteristics
Specifications apply for -40°C <TJ < 125°C, VIN = 48 V, VVDR = 5.1 V +/- 2%, L1 = 340 nH [1] unless other conditions are noted.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Sync Out (SYNCO)
SYNCO High
VSYNCO_HI
Source 1 mA
VVDR –0.5
V
SYNCO Low
VSYNCO_LO
Sink 1 mA
0.5
V
SYNCO Rise Time
tSYNCO_RT
20 pF load
10
ns
SYNCO Fall Time
tSYNCO_FT
20 pF load
10
ns
Soft Start, Tracking and Error Amplifier
TRK Active Range (Nominal)
VTRK
0
1.08
V
TRK Enable Threshold
VTRK_OV
20
40
60
mV
TRK to EAIN Offset
VEIAN_OV
50
80
110
mV
Charge Current (Soft – Start)
ITRK
-70
-50
-30
µA
Discharge Current (Fault)
ITRK_DIS
VTRK = 0.5 V
10
mA
Soft-Start Time
tSS
CTRK = 0
0.6
.94
1.6
mS
Error Amplifier Trans-Conductance
GMeao
[2]
5.1
ms
PSM Skip Threshold
PSMSKIP
[2]
0.8
V
Error Amplifier Output Impedance
ROUT
[2]
1
MOhm
Internal Compensation Capacitor
Chf
[2]
56
pf
Internal Compensation Resistor
Rzi
[2]
5k
Ohm
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, no faulted)
VEN_PU
2
V
Enable Pull-Down Voltage
(floating, fault)
VEN_PD
0
V
Source Current
IEN_SO
-50
µA
Sink Current
IEN_SK
50
µA
[1]
All parameters reflect regulator and inductor system performance. Measurements were made using a standard PI354x evaluation board with 2.5 x 4”
dimensions and 4 layer, 2 oz copper. Refer to inductor pairing table within Application Description section for specific inductor manufacturer and value.
[2]
Regulator is assured to meet performance specifications by design, test correlation, characterization, and/or statistical process control. Output voltage is
determined by an external feedback divider ratio.
[3]
Output current capability may be limited and other performance may vary from noted electrical characteristics when Vout is not set to nominal.
[4]
Refer to Output Ripple plots.
[5]
Refer to Load Current vs. Ambient Temperature curves.
[6]
Refer to Switching Frequency vs. Load current curves.


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