B048F096T24
B048F096M24
TM
BCM
Bus Converter
• 48 V to 9.6 V V•I Chip™ BusConverter • Typical efficiency 96%
©
• 240 Watt (360 Watt for 1 ms)
• High density – 813 W/in3
• Small footprint – 210 W/in2
• Low weight – 0.5 oz (15 g)
• 125°C operation (TJ)
VIN = 38 - 55 V
VOUT = 7.60 - 11.0 V
• <1 µs transient response
• 3.5 million hours MTBF
• No output filtering required
I
OUT = 25 A
K = 1/5
ROUT = 12.0 mΩ max
• ZVS / ZCS isolated Sine
Amplitude Converter™
Product Description
Absolute Maximum Ratings
•
The V I Chip™ bus converter is a high efficiency (>96%),
narrow input range Sine Amplitude ConverterTM (SACTM
Parameter
Values
-1.0 to 60
100
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
A
Notes
)
+In to -In
operating from a 38 to 55 Vdc primary bus to deliver an
isolated 7.60 V to 11.0 V secondary. The bus converter
may be used to power non-isolated POL converters or as
an independent 7.60 – 11.0 V source. Due to the fast
response time and low noise of the bus converter, the
need for limited life aluminum electrolytic or tantalum
capacitors at the load is reduced—or eliminated—
resulting in savings of board area, materials and total
system cost.
For 100 ms
PC to -In
-0.3 to 7.0
-0.5 to 16
2,250
+Out to -Out
Isolation voltage
Output current
Peak output current
Output power
Peak output power
Input to output
Continuous
For 1 ms
31.5
37.5
A
240
W
Continuous
For 1 ms
360
W
The bus converter achieves a power density of 813 W/in3
225
°C
MSL 5
Case temperature during reflow[a]
•
in a V I Chip package compatible with standard pick-
245
°C
MSL 6, TOB = 4 hrs
T-Grade
and-place and surface mount assembly process. The
•
V I Chip package provides flexible thermal management
-40 to 125
°C
Operating junction temperature[b]
Storage temperature
through its low junction-to-board and junction-to-case
thermal resistance. Owing to its high conversion
efficiency and safe operating temperature range, the bus
converter does not require a discrete heat sink in typical
applications. Low junction-to-case and junction-to-lead
thermal impedances assure low junction temperatures
and long life in the harshest environments.
-55 to 125
-40 to 125
-65 to 125
°C
°C
°C
M-Grade
T-Grade
M-Grade
Notes:
[a] 245°C reflow capability applies to product with manufacturing date code 1001 and greater.
[b] The referenced junction is defined as the semiconductor having the highest temperature.
This temperature is monitored by a shutdown comparator.
Part Numbering
B
048 F 096
Output Voltage
Designator
T
24
Output Power
Designator
(=POUT/10)
Input Voltage
Designator
Bus Converter
(=VOUT x10)
Configuration
F = J-lead
T = Through hole
Product Grade Temperatures (°C)
Grade
Storage
-40 to125
-65 to 125
Operating (TJ)
T
-40 to125
M
-55 to 125
vicorpower.com
800-735-6200
BCM™ Bus Converter
B048F096T24
Rev. 4.9
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