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DCM3714BD2H31E0C05 Datasheet(PDF) 6 Page - Vicor Corporation

Part # DCM3714BD2H31E0C05
Description  Isolated, Regulated DC Converter
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Manufacturer  VICOR [Vicor Corporation]
Direct Link  http://www.vicorpower.com
Logo VICOR - Vicor Corporation

DCM3714BD2H31E0C05 Datasheet(HTML) 6 Page - Vicor Corporation

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Electrical Specifications (cont.)
Specifications apply over all line, trim and load conditions, internal temperature TINT = 25ºC, unless otherwise noted. Boldface specifications apply over the
temperature range specified by the product grade.
Attribute
Symbol
Conditions / Notes
Min
Typ
Max
Unit
Power Output Specifications (Cont.)
Output capacitance (external)
COUT-EXT
Excludes component temperature coefficient. For load
transients that remain > 10% rated load
200
2000
µF
Output capacitance (external)
COUT-EXT-
TRANSIENT
Excludes component temperature coefficient. For load
transients down to 0% rated load
200
2000
µF
Output capacitance, ESR (ext.)
RCOUT-EXT
At 10 kHz, excludes component tolerances
10
m
Ω
Initialization delay
tINIT
See state diagram
25
40
ms
Output turn-on delay
tON
From rising edge EN, with VDDE pre-applied.
See timing diagram
200
µs
Output turn-off delay
tOFF
From falling edge EN. See timing diagram
600
µs
Soft start ramp time
tSS
Full load (soft-start ramp time) with minimum COUT-EXT
300
ms
VOUT threshold for max
rated load current
VOUT-FL-THRESH
During startup, VOUT must achieve this threshold before
output can support full rated current
10.5
V
IOUT at startup
IOUT-START
Max load current at startup while VOUT
is below VOUT-FL-THRESH
1.78
A
Monotonic soft-start threshold
voltage
VOUT-MONOTONIC
Output voltage rise becomes monotonic with 1% of
preload once it crosses VOUT-MONOTONIC
16.0
V
Minimum required disabled duration
tOFF-MIN
This refers to the minimum time a module needs to be
in the disabled state before it will attempt to start via EN
2
ms
Minimum required disabled duration
for predictable restart
tOFF-MONOTONIC
This refers to the minimum time a module needs to be in
the disabled state before it is guaranteed to exhibit
monotonic soft-start and have predictable startup timing
100
ms
Voltage deviation (transient)
%VOUT-TRANS
Minimum COUT_EXT (10
↔ 90% load step)
<10
%
Settling time
tSETTLE
2.0
ms
Powertrain Protections
Input Voltage Initialization threshold
VIN-INIT
Threshold to start tINIT delay
75.0
V
Input Voltage Reset threshold
VIN-RESET
Latching faults will clear once VIN falls below VIN-RESET
50.0
V
Input undervoltage lockout threshold
VIN-UVLO-
120.0
190.0
V
Input undervoltage recovery threshold
VIN-UVLO+
See Timing diagram
200.0
V
Input overvoltage lockout threshold
VIN-OVLO+
455.0
V
Input overvoltage recovery threshold
VIN-OVLO-
See Timing diagram
420.0
V
Output overvoltage threshold
VOUT-OVP
Latched shutdown
35.4
V
Minimum current limited VOUT
VOUT-UVP
Over all operating steady-state line and trim conditions
19.2
V
Overtemperature threshold (internal)
TINT-OTP
130.0
°C
Power limit
PLIM
773.0
W
VIN overvoltage to cessation of
powertrain switching
tOVLO-SW
Independent of fault logic
1.5
µs
VIN overvoltage response time
tOVLO
For fault logic only
200
µs
VIN undervoltage response time
tUVLO
100
ms
Short circuit response time
tSC
Powertrain on, operational state
200
µs
Short circuit, or temperature fault
recovery time
tFAULT
See Timing diagram
1
s
DCM3714xD2H31E0yzz
DCMin a VIA Package
Rev 1.2
vicorpower.com
Page 6 of 23
07/2017
800 927.9474


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