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NBM3814B46C15A6T08 Datasheet(PDF) 5 Page - Vicor Corporation

Part # NBM3814B46C15A6T08
Description  Non-Isolated, Fixed-Ratio DC-DC Converter
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Manufacturer  VICOR [Vicor Corporation]
Direct Link  http://www.vicorpower.com
Logo VICOR - Vicor Corporation

NBM3814B46C15A6T08 Datasheet(HTML) 5 Page - Vicor Corporation

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NBMin a VIA Package
Rev 1.1
vicorpower.com
Page 5 of 23
05/2016
800 927.9474
NBM3814x46C15A6yzz
Electrical Specifications
Specifications apply over all line and load conditions, unless otherwise noted;
Boldface specifications apply over the temperature range of -40°C ≤ TCASE
≤100°C (T-Grade); All other specifications are at TCASE = 25ºC unless otherwise noted.
Attribute
Symbol
Conditions / Notes
Min
Typ
Max
Unit
General Powertrain High Voltage Side to Low Voltage Side Specification (Forward Direction)
Hi Side Input Voltage range,
continuous
VHI_DC
36
46
V
VHI µController
VµC_ACTIVE
VHI_DC voltage where µC is initialized,
(powertrain inactive)
15
V
HI to LO Input Quiescent Current
IHI_Q
Disabled, VHI_DC = 42V
8
mA
TCASE ≤ 100ºC
12
HI to LO No Load Power Dissipation
PHI_NL
VHI_DC = 42V, TCASE = 25ºC
12.5
19.5
W
VHI_DC = 42V
5
28
VHI_DC = 36V to 46V, TCASE = 25 ºC
22
VHI_DC = 36V to 46V
31
HI to LO Inrush Current Peak
IHI_INR_PK
VHI_DC = 46V, CLO_EXT = 3000µF, RLOAD_LO = 20% of full
load current
30
A
TCASE ≤ 100ºC
75
DC HI Side Input Current
IHI_IN_DC
At ILO_OUT_DC = 160A, TCASE ≤ 85ºC
53.9
A
Transformation Ratio
K
High voltage to low voltage, K = VLO_DC / VHI_DC, at no
load
1/3
V/V
LO Side Output Current
(continuous)
ILO_OUT_DC
TCASE ≤ 85°C
160
A
LO Side Output Current
(pulsed)
ILO_OUT_PULSE
10ms pulse, 25% Duty cycle, ILO_OUT_AVG ≤ 50% rated
ILO_OUT_DC
176
A
HI to LO Efficiency (ambient)
ηh
AMB
VHI_DC = 42V, ILO_OUT_DC = 160A
96.8
97.6
%
VHI_DC = 36V to 46V, ILO_OUT_DC = 160A
96.5
VHI_DC = 42V, ILO_OUT_DC = 80A
97.3
97.8
HI to LO Efficiency (hot)
ηh
HOT
VHI_DC = 42V, ILO_OUT_DC = 160A, TCASE = 85°C
96.7
97.1
%
HI to LO Efficiency
(over load range)
ηh
20%
32A < ILO_OUT_DC < 160A
95
%
HI to LO Output Resistance
RLO_COLD
VHI_DC = 42V, ILO_OUT_DC = 160A, TCASE = -40°C
0.8
1.3
1.7
RLO_AMB
VHI_DC = 42V, ILO_OUT_DC = 160A
0.9
1.7
2.1
RLO_HOT
VHI_DC = 42V, ILO_OUT_DC = 160A, TCASE = 85°C
1.5
2.1
2.4
Switching Frequency
FSW
Frequency of the LO Side Voltage Ripple = 2x FSW
1.14
1.20
1.26
MHz
LO Side Output Voltage Ripple
VLO_OUT_PP
CLO_EXT = 0µF, ILO_OUT_DC = 160A, VHI_DC = 42V,
20MHz BW
110
mV
TCASE ≤ 100ºC
205


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