Not Recommended for New Designs
V048x320y009A
1.0 ABSOLUTE MAXIMUM VOLTAGE RATINGS
The absolute maximum ratings below are stress ratings only. Operation at or beyond these maximum ratings can cause permanent
damage to the device.
MIN
MAX
60
UNIT
VDC
MIN
VC to - IN . . . . . . . . . . . . . . . . . . . . . . . . -0.3
+ IN / - IN to + OUT / - OUT (hipot) . . .
MAX
20
UNIT
VDC
+ IN to - IN . . . . . . . . . . . . . . . . . . . . . . . -1.0
PC to - IN . . . . . . . . . . . . . . . . . . . . . . . . -0.3
TM to -IN . . . . . . . . . . . . . . . . . . . . . . . . -0.3
20
VDC
2250
60
VDC
7
VDC
+ OUT to - OUT....................................... 0.0
VDC
2.0 ELECTRICAL CHARACTERISTICS
Specifications apply over all line and load conditions unless otherwise noted; Boldface specifications apply over the temperature
range of -40°C < TJ < 125 °C (T-Grade); All other specifications are at TJ = 25ºC unless otherwise noted.
ATTRIBUTE
SYMBOL
CONDITIONS / NOTES
No external VC applied
VC applied
MIN
TYP
MAX
UNIT
26
0
55
55
1
Input voltage range
VIN slew rate
IN UV turn off
VIN
VDC
V/µs
V
dVIN /dt
VIN_UV
Module latched shutdown,
No external VC applied, IOUT = 9.4A
V
24
26
V
IN = 48 V
VIN = 26 V to 55 V
IN = 48 V, TC = 25 ºC
2
8.0
8.5
5
No Load power dissipation
Inrush current peak
PNL
W
A
V
3.5
9
VIN = 26 V to 55 V, TC = 2 ºC
VC enable, VIN = 48 V, COUT = 100 µF,
RLOAD = 3307 mΩ
5.5
IINRP
25
DC input current
Transfer ratio
Output voltage
IIN_DC
K
VOUT
8.2
A
V/V
V
K = VOUT/VIN, IOUT = 0 A
VOUT = VIN • K - IOUT • ROUT, Section 11
2/3
Output current (average)
Output current (peak)
Output power (average)
IOUT_AVG
IOUT_PK
POUT_AVG
9.4
11.8
300
A
A
W
TPEAK < 10 ms, IOUT_AVG ≤ 9.4 A
IOUT_AVG ≤ 9.4 A
VIN = 48 V, IOUT = 9.4 A
VIN = 26 V to 55 V, IOUT = 9.4 A
VIN = 48 V, IOUT = 4.7 A
95.0
93.0
96.2
Efficiency (ambient)
Efficiency (hot)
hAMB
%
%
95.0
95.0
87.0
35.0
53
75.0
1.57
3.14
96.4
96.2
hHOT
h20%
ROUT_COLD
ROUT_AMB
ROUT_HOT
FSW
VIN = 48 V, TC = 100°C, IOUT = 9.4 A
Efficiency (over load range)
Output resistance (cold)
Output resistance (ambient)
Output resistance (hot)
Switching frequency
1.88 A < IOUT < 9.4 A
TC = -40°C, IOUT = 9.4 A
TC = 25°C, IOUT = 9.4 A
TC = 100°C, IOUT = 9.4 A
%
mΩ
mΩ
mΩ
MHz
MHz
70.0
97.4
113.5
1.60
3.20
87.0
120.0
140.0
1.63
Output ripple frequency
FSW_RP
3.26
COUT = 0 F, IOUT = 9.4 A, VIN = 48 V,
20 MHz BW, Section 12
Output voltage ripple
VOUT_PP
310
500
mV
Frequency up to 30 MHz,
Simulated J-lead model
Effective Value at 32 VOUT
VTM Standalone Operation.
VIN pre-applied, VC enable
Output inductance (parasitic)
Output capacitance (internal)
Output capacitance (external)
LOUT_PAR
COUT_INT
COUT_EXT
600
4.2
pH
µF
µF
100
PROTECTION
Overvoltage lockout
Overvoltage lockout
response time constant
Output overcurrent trip
Short circuit protection trip current
Output overcurrent
VIN_OVLO+
TOVLO
IOCP
ISCP
Module latched shutdown
Effective internal RC filter
55.1
59
8
60.0
19.5
V
µs
11
20
14
A
A
TOCP
Effective internal RC filter (Integrative).
3.8
ms
response time constant
From detection to cessation
of switching (Instantaneous)
Short circuit protection response time
TSCP
1
µs
ºC
Thermal shutdown setpoint
TJ_OTP
125
130
135
Reverse inrush current protection
Reverse Inrush protection disabled for this product.
VTM® Current Multiplier
Page 2 of 18
Rev 1.0
vicorpower.com
800 927.9474
01/2014
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