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PI3311-01-LGIZ Datasheet(PDF) 6 Page - Vicor Corporation

Part # PI3311-01-LGIZ
Description  8V to 36Vin, 15A Cool-Power ZVS Buck Regulator
Download  26 Pages
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Manufacturer  VICOR [Vicor Corporation]
Direct Link  http://www.vicorpower.com
Logo VICOR - Vicor Corporation

PI3311-01-LGIZ Datasheet(HTML) 6 Page - Vicor Corporation

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vicorpower.com
Rev 1.3
Cool-Power®
800 735.6200
09/2015
Page 6 of 26
PI33XX-X1
PI3311-X1 (1.0 Vout) Electrical Characteristics
Specifications apply for
-40C < TJ < 125C, Vin =24V, L1=85nH (Note 1) unless other conditions are noted.
Parameter
Symbol
Min
Typ
Max
Units
Conditions
Input Specifications
Input Voltage
VIN_DC
8
24
36
V
Minimum 1mA load
required
Input Current
IIN_DC
740
mA
Vin = 24V, TC = 25°C,
Iout=15A
Input Current At Output Short
(fault condition duty cycle)
IIN_Short
25
mA
Note 2.
Input Quiescent Current
IQ_VIN
2
2.5
mA
Disabled
Enabled (no load)
Input Voltage Slew Rate
VIN_SR
1
V/μs
Note 2.
Output Specifications
Output Voltage Total Regulation
VOUT_DC
0.987
1.0
1.013
V
Note 2.
Output Voltage Trim Range
VOUT_DC
1.0
1.4
V
Note 3.
Line Regulation
∆VOUT(∆VIN)
0.10
%
@25°C, 8V<Vin<36V
Load Regulation
∆VOUT(∆IOUT)
0.10
%
@25°C, 0.5A<Iout<15A
Output Voltage Ripple
VOUT_AC
45
mVp-p
Iout=5A, Cout=8x100μF,
20MHz BW Note 4.
Continuous Output Current Range
IOUT_DC
0.001
15
A
Note 2.
Current Limit
IOUT_CL
18.0
A
Protection
VIN UVLO Start Threshold
VUVLO_START
7.10
7.60
8.00
V
VIN UVLO Stop Threshold
VUVLO_STOP
6.80
7.25
7.60
V
VIN UVLO Hysteresis
VUVLO_HYS
0.35
V
VIN OVLO Start Threshold
VOVLO_START
36.1
37.6
V
VIN OVLO Stop Threshold
VOVLO_STOP
37.0
38.4
V
VIN OVLO Hysteresis
VOVLO_HYS
0.8
V
VIN UVLO/OVLO Fault Delay Time
tf_DLY
128
Cycles Number of the
switching freq cycles
VIN UVLO/OVLO Response Time
tf
500
ns
Output Over Voltage Protection
VOVP
20
%
Above VOUT
Over-Temperature Fault Threshold
TOTP
130
135
140
°C
Note 2.
Over-Temperature Restart
Hysteresis
TOTP_HYS
30
°C
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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