BCM48BF120M300A00 VICOR [Vicor Corporation], BCM48BF120M300A00 Datasheet

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BCM48BF120M300A00

Manufacturer Part Number
BCM48BF120M300A00
Description
Bus Converter
Manufacturer
VICOR [Vicor Corporation]
Datasheet
1.BCM48BF120M300A00.pdf (18 pages)
BCM™
Bus Converter
FEATURES
•
•
•
•
•
•
TYPICAL APPLICATIONS
•
•
•
•
TYPICAL APPLICATION
v i c o r p o w e r. c o m
48 Vdc – 12 Vdc 300 W Bus Converter
High efficiency (>96%) reduces system
power consumption
High power density (>1022 W/in
reduces power system footprint by >40%
Contains built-in protection features:
- Undervoltage
- Overvoltage Lockout
- Overcurrent Protection
- Short circuit Protection
- Overtemperature Protection
Provides enable/disable control,
internal temperature monitoring
Can be paralleled to create multi-kW arrays
High End Computing Systems
Automated Test Equipment
High Density Power Supplies
Communications Systems
V
enable / disable
IN
V•I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200
switch
F1
SW1
3
)
C
PC
TM
+In
Bus Converter
-In
®
BCM
US
TM
+Out
-Out
C
NRTL
S
DESCRIPTION
The V
Amplitude Converter™ (SAC™) operating from a 38 to 55 Vdc
primary bus to deliver an isolated, unregulated 9.5 to 13.8
output. The Sine Amplitude Converter offers a low AC
impedance beyond the bandwidth of most downstream
regulators; therefore capacitance normally at the load can be
located at the input to the Sine Amplitude Converter. Since the
transformation ratio of the BCM48BF120T300A00 is 1/4, the
capacitance value can be reduced by a factor of 16x, resulting
in savings of board area, materials and total system cost.
The BCM48BF120T300A00 is provided in a V
compatible with standard pick-and-place and surface mount
assembly processes. The co-molded V
enhanced thermal management due to a large thermal
interface area and superior thermal conductivity. The high
conversion efficiency of the BCM48BF120T300A00 increases
overall system efficiency and lowers operating costs compared
to conventional approaches.
PART NUMBERING
For Storage and Operating Temperatures see Section 6.0 General Characteristics
BCM
US
48
•
I Chip™ bus converter is a high efficiency (>96%) Sine
PART NUMBER
B
x
120
y
300A00
BCM
PRELIMINARY DATASHEET
T = Through hole
F = J-Lead
PACKAGE STYLE
48
B
O
A
D
L
x 120
•
I Chip package provides
•
M = -55° to 125°C
T = -40° to 125°C
I Chip package
PRODUCT GRADE
y
300A00
Page 1 of 18
Rev. 1.2
7/2011

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BCM48BF120M300A00 Summary of contents

Page 1

BCM™ Bus Converter FEATURES • 48 Vdc – 12 Vdc 300 W Bus Converter • High efficiency (>96%) reduces system power consumption • High power density (>1022 W/in reduces power system footprint by >40% • Contains built-in protection features: - ...

Page 2

PRELIMINARY DATASHEET 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. +IN to – ...

Page 3

PRELIMINARY DATASHEET 2.0 ELECTRICAL CHARACTERISTICS (CONT.) ATTRIBUTE PROTECTION Input overvoltage lockout threshold Input overvoltage recovery threshold Input overvoltage lockout hysteresis V Overvoltage lockout response time Fault recovery time Input undervoltage lockout threshold Input undervoltage recovery threshold Input undervoltage lockout hysteresis ...

Page 4

PRELIMINARY DATASHEET 3.0 SIGNAL CHARACTERISTICS Specifications apply over all line and load conditions unless otherwise noted; Boldface specifications apply over the temperature range of -40°C < T < 100°C (T-Grade); All other specifications are • The PC ...

Page 5

PRELIMINARY DATASHEET 4.0 TIMING DIAGRAM V•I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200 BCM 120 y 300A00 Page 5 ...

Page 6

PRELIMINARY DATASHEET 5.0 APPLICATION CHARACTERISTICS The following values, typical of an application environment, are collected at T for general trend data. No Load Power Dissipation vs. Line ...

Page 7

PRELIMINARY DATASHEET Output Voltage Ripple vs. Load 145 125 105 Load Current ( Figure 8 — external C RIPPLE OUT module, scope setting ...

Page 8

... BCM48BF120T300A00 (T-Grade BCM48BF120M300A00 (M-Grade) Isothermal heatsink and φ JC isothermal internal PCB Supported by J-lead only BCM48BF120T300A00 (T-Grade BCM48BF120M300A00 (M-Grade) MSL 4 MSL Human Body Model, ESD HBM "JEDEC JESD 22-A114D.01"Class 1D Charge Device Model, ESD CDM "JEDEC JESD 22-C101-D" MSL 4 ...

Page 9

PRELIMINARY DATASHEET 7.0 USING THE CONTROL SIGNALS PC, TM Primary Control (PC) pin can be used to accomplish the following functions: • Logic enable and disable for module: Once T on1 time has been satisfied voltage greater than ...

Page 10

PRELIMINARY DATASHEET 8.0 BCM48BF120T300A00 BLOCK DIAGRAM V•I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200 BCM 120 y 300A00 Page ...

Page 11

PRELIMINARY DATASHEET 9.0 SINE AMPLITUDE CONVERTER™ POINT OF LOAD CONVERSION 5 CIN 0.57 mΩ µ 109 mA – ...

Page 12

PRELIMINARY DATASHEET This is similar in form to Eq. (3), where R represent the characteristic impedance of the SAC™. However, in this case a real R on the input side of the SAC is effectively 2 scaled by K with ...

Page 13

PRELIMINARY DATASHEET 10.0 INPUT AND OUTPUT FILTER DESIGN A major advantage of SAC™ systems versus conventional PWM converters is that the transformers do not require large functional filters. The resonant LC tank, operated at extreme high frequency, is amplitude modulated ...

Page 14

PRELIMINARY DATASHEET 12.0 CURRENT SHARING The performance of the SAC™ topology is based on efficient transfer of energy through a transformer without the need of closed loop control. For this reason, the transfer characteristic can be approximated by an ideal ...

Page 15

PRELIMINARY DATASHEET 15.1 J-LEAD PACKAGE MECHANICAL DRAWING NOTES DIMENSIONS ARE inch . 2. UNLESS OTHERWISE SPECIFIED, TOLERANCES ARE [.XX] = +/-0.25 / [.01]; .XX / [.XXX] = +/-0.13 / [.005] 3. PRODUCT MARKING ON TOP SURFACE ...

Page 16

PRELIMINARY DATASHEET 15.3 THROUGH-HOLE PACKAGE MECHANICAL DRAWING TOP VIEW ( COMPONENT SIDE ) 15.4 THROUGH-HOLE PACKAGE RECOMMENDED LAND PATTERN NOTES: (mm) 1. DIMENSIONS ARE . inch 2. UNLESS OTHERWISE SPECIFIED TOLERANCES ARE: X.X [X.XX] = ±0.25 [0.01]; X.XX [X.XXX] = ...

Page 17

PRELIMINARY DATASHEET 15.5 RECOMMENDED HEAT SINK PUSH PIN LOCATION (NO GROUNDING CLIPS) Notes: 1. Maintain 3.50 (0.138) Dia. keep-out zone free of copper, all PCB layers. 2. (A) Minimum recommended pitch is 39.50 (1.555). This provides 7.00 (0.275) component edge-to-edge ...

Page 18

PRELIMINARY DATASHEET Warranty Vicor products are guaranteed for two years from date of shipment against defects in material or workmanship when in normal use and service. This warranty does not extend to products subjected to misuse, accident, or improper application ...

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