PI3740-00 Datasheet, PDF (9/48 Pages) Vicor Corporation – Parallel capable with single wire current sharing

PI3740-00
PI3740-00-LGIZ Electrical Characteristics (Cont.)
Specifications apply for the conditions -40°C < T_J < 115°C, V_IN = 24V, V_OUT = 12V, L_EXT = 420nH^[4], external C_IN = 6 x 2.2µF, external C_OUT = 8 x 10µF,
unless otherwise noted.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Reference
Input Range
Maximum Output Voltage
Minimum Output Voltage
Transconductance
Zero Resistor
EAO Output Current Sourcing
EAO Output Current Sinking
Open Loop Gain
Input Capacitance
Output Capacitance
V_REF
V_EAIN
Transconductance Error Amplifier
EAIN = EAO, 25ºC
EAIN = EAO
Note V_{EAIN_OV} below
Factory Set
Factory Set
V_EAO = 50mV, V_EAIN = 0V
V_EAO = 2V, V_EAIN = 5V
R_OUT > 1MΩ ^[5]
1.688
1.7
1.712
V
1.674
1.7
1.726
0
VDR
V
3.35
3.6
4.0
V
0.05
0.15
V
7.6
mS
5
kΩ
400
µA
400
µA
70
80
dB
56
pF
1
pF
Switching Frequency
V_EAO Pulse Skip Threshold
Control Node Range
V_EAO Overload Threshold
Overload Timeout
F_SW
V_{EAO_PST}
V_RAMP
V_{EAO_OL}
T_OL
Overload due to EAO limit
I_{OUT_EAOLIM}
V_EAIN Output Overvoltage Threshold
Overtemperature Fault Threshold
Overtemperature Restart Hysteresis
V_OUT Negative Fault Threshold
V_{EAIN_OV}
T_OTP
T_{OPT_HYS}
Control and Protection
V_EAO to SGND
V_EAO to SGND
V_EAO > V_{EAO_OL}
Module shuts down after 1ms of overload and restarts
after 30ms
V_EAIN > V_{EAIN_OV}
[5]
[5]
0
3.175
1.94
-0.45
1
0.4
3.3
1
7.7
2.04
125
30
-0.25
3.3
3.425
2.14
-0.15
MHz
V
V
V
ms
A
V
°C
°C
V
Soft Start and Tracking Function
TRK Active Range
Nominal
0
1.7
V
TRK Disable Threshold
20
45
70
mV
TRK Internal Capacitance
56
pF
Soft Start Charge Current
30
50
70
µA
Soft Start Discharge Current
V_TRK = 0.5V
9
mA
Soft Start Time
t_SS
Ext C_SS = 47nF
1.6
ms
[4] _{See Inductor Pairing section.}
[5] _{Assured to meet performance specification by design, test correlation, characterization, and/or statistical process control.}
[6] _{Output current capability varies with input & output voltage. See rated ouput current / power curves on page 9.}
Cool-Power^® ZVS Switching Regulators
Page 9 of 48
Rev 1.4
04/2017
vicorpower.com
800 927.9474