B048K120T20 Datasheet, PDF (10/16 Pages) Vicor Corporation – VI Chip - BCM Bus Converter Module

Part Numbering and Configuration Options
V•I Chip BUS CONVERTER PART NUMBERING
B
Bus Converter
Module
048
Input Voltage
Designator
K
Configuration Options
A = On-board elevated (Fig.21)
F = On-board (Fig.20)
K = In-board (Fig.19)
120
Output Voltage
Designator
(=Vout x10)
T
Product Grade Temperatures (°C)
Grade Storage Operating
T
-40 to150 -40 to125
M -65 to 150 -55 to 125
20
Output Power
Designator
(=Pout/10)
CONFIGURATION OPTIONS
CONFIGURATION
Effective Power Density
Junction-Board
Thermal Resistance
Junction-Case
Thermal Resistance
Junction-Ambient
Thermal Resistance 300LFM
IN-BOARD*
(Package K)
1190 W/in³
2.1 °C/W
1.1 °C/W
6.5 °C/W
*Surface mounted to a 2" x 2" FR4 board, 4 layers 2 oz Cu
**Pin Fin heat sink available as a separate item
ON-BOARD*
(Package F)
800 W/in³
2.4 °C/W
1.1 °C/W
6.8 °C/W
21.5
0.85
IN-BOARD WITH 0.25"
PIN FINS**
445 W/in³
2.1 °C/W
ON-BOARD WITH 0.25"
PIN FINS**
360 W/in³
2.4 °C/W
N/A
N/A
5.0 °C/W
5.0 °C/W
22.0
0.87
32.0
1.26
4.0
0.16
IN–BOARD MOUNT
(V•I Chip recessed into PCB)
Figure 19—In-board mounting – package K
32.0
1.26
6.3
0.25
ON–BOARD MOUNT
mm
mm
in
in
Figure 20— On-board mounting – package F
45 Vicor Corporation
Tel: [phone]
vicorpower.com
V•I Chip Bus Converter
B048K120T20
Rev. 2.2
Page 10 of 16