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PI3101 数据表(PDF) 4 Page - Vicor Corporation

部件名 PI3101
功能描述  36-75V Input, 3.3V / 18A / 60W Output Very High Density Isolated DC-DC Converter (400W/in3)
PDF  18 Pages
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制造商  VICOR [Vicor Corporation]
网页  http://www.vicorpower.com
标志 VICOR - Vicor Corporation

PI3101 数据表(HTML) 4 Page - Vicor Corporation

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Picor Corporation • picorpower.com
PI3101-00-HVIZ
Rev 1.1, April 29
th, 2010
Page 4 of 18
Electrical Specifications
Unless otherwise specified: 36V < VIN < 75V, 0A < IOUT < 18A, -40C < TCASE < 100C
(1)
Parameter
Symbol
Min
Typ
Max
Units
Conditions
Input Specifications
Input Voltage Range
VIN
36
48
75
Vdc
Input dv/dt
(1)
VINDVDT
1.0
V/µs
VIN = 75V
Input Under-Voltage Turn-on
VUVON
32.5
34
35
Vdc
IO = 1.8A
Input Under-Voltage Turn-off
VUVOFF
30.5
32
33
Vdc
IO = 1.8A
Input Under-Voltage Hysteresis
VUVH
2
Vdc
IO = 1.8A
Input Over-Voltage Turn-on
VOVON
75.7
78
81
Vdc
IO = 1.8A
Input Over-Voltage Turn-off
VOVOFF
77.7
80
82.3
Vdc
IO = 1.8A
Input Over-Voltage Hysteresis
VOVH
2
IO = 1.8A
Input Quiescent Current
IQ
2.5
mAdc
VIN = 48V, ENABLE = 0V
Input Idling Power
PIDLE
4.0
W
VIN = 48V, IOUT = 0A
Input Standby Power
PSBY
0.225
W
VIN = 48V, ENABLE = 0V
Input Current Full Load
IIN
1.4
Adc
TCASE = 100C IOUT = 18A FL =
86.5% typical VIN =48V
Input Reflected Ripple Current
IINRR
10
mApp
LIN = 2µH CIN = 47µF 100V
electrolytic + 2x1µF 100V X7R
ceramic
Recommended Ext Input
Capacitance
CIN
49
µF
CIN = 47µF 100V electrolytic +
2x1µF 100V X7R ceramic
CIN = Cbulk + Chf
Output Specifications
Output Voltage Set Point
VOUT
3.3
Vdc
IOUT = 9A
Total Output Accuracy
VOA
-3
+3
%
Line Regulation
VRLI
0.25
%
VIN = 36V-75V, IOUT = 18A
Load Regulation
VRLO
1.5
%
VIN = 48V, IOUT = 0-18A
Output Voltage Trim Range
VOADJ
-10%
10%
%
Output Current Range
IOUT
18
Adc
Over Current Protection
IOCP
18.8
26
33
Adc
Efficiency – Full Load
FL
84.5
86.5
%
TCASE = 100C, VIN =48V
Efficiency – Half Load
HL
84.5
%
TCASE = 100C, VIN =48V
Output OVP Set Point
VOVP
4.1
Vdc
Output Ripple Voltage
VORPP
75
mVpp
COUT = 12x10µF 10V X7R DC-
20MHz using PI3101-EVAL1
Switching Frequency
fSW
900
kHz
Output Turn-on Delay Time
tONDLY
80
ms
VIN = VUVON to ENABLE = 5V



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