bcm48bf120t300a00 Vicor Corporation, bcm48bf120t300a00 Datasheet - Page 4

• Manufacturer Part Number: bcm48bf120t300a00
• Description: Bcm™ Bus Converter
• Manufacturer: Vicor Corporation

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
v i c o r p o w e r. c o m
• The PC pin enables and disables the BCM. When held low,
• In an array of BCM modules, PC pins should be interconnected
SIGNAL TYPE
ANALOG
OUTPUT
DIGITAL
INPUT / OUPUT
• The TM pin monitors the internal temperature of the controller IC
SIGNAL TYPE
ANALOG
OUTPUT
DIGITAL
OUTPUT
(FAULT FLAG)
the BCM is disabled.
to synchronize start up and permit start up into full load conditions.
within an accuracy of ±5°C.
C
< 100°C (T-Grade); All other specifications are at T
Operation
Transition
Operation
Transition
Transition
Operation
Start Up
Start Up
Standby
Standby
Standby
Regular
Regular
Regular
STATE
STATE
V•I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200
PC voltage
PC available current
PC source (current)
PC resistance (internal)
PC capacitance (internal)
PC load resistance
PC time to start
PC enable threshold
PC disable duration
PC threshold hysteresis
PC enable to V
PC disable to standby time
PC fault response time
TM voltage range
TM voltage reference
TM available current
TM gain
TM voltage ripple
TM capacitance (external)
TM fault response time
TM voltage
TM pull down (internal)
Reserved for factory use. No connection should be made to this pin.
ATTRIBUTE
ATTRIBUTE
OUT
time
TEMPERATURE MONITOR : TM
PRIMARY CONTROL : PC
RESERVED : RSV
V
SYMBOL
SYMBOL
T
V
C
PC
V
R
C
R
V
V
PC
T
T
T
I
I
TM
R
T
TM
PC
PC
T
TM
TM
PC
FR
PC
PC
PC
FR
V
A
TM
V
_
PC
I
ON
_
ON2
TM
HYSTER
TM
_
PC
_
_
TM
_
_
_
_
DIS
-
_
_
_
_
_
_
AMB
OP
EN
DIS
TM
INT
PC
INT
1
EXT
INT
EN
DIS
PP
S
_
T
• PC pin outputs 5 V during normal operation. PC pin internal bias
• Can be used as a "Power Good" flag to verify that
• Is used to drive the internal comparator for Overtemperature Shutdown.
C
Internal pull down resistor
Section 7
To permit regular operation
Minimum time before attempting re-enable
V
From fault to PC = 2 V
T
C
From fault to TM = 1.5 V
Internal pull down resistor
J
IN
TM
= 25°C unless otherwise noted.
level drops to 2.5 V during fault mode, provided V
in the valid range.
the BCM module is operating.
controller = 27°C
= 48 V for at least T
= 0 pF, V
CONDITIONS / NOTES
CONDITIONS / NOTES
IN
= 48 V, I
ON1
OUT
BCM
ms
= 25 A
48
B
x 120
MIN
MIN
2.12
2.95
340
100
4.7
2.0
2.0
50
50
60
50
25
1
IN
3.00
TYP
100
150
450
100
100
TYP
120
remains
5.0
3.5
2.5
50
10
10
40
4
0
y
MAX UNIT
MAX UNIT
1000
4.04
3.05
300A00
400
620
150
200
5.3
5.0
3.0
10
50
50
Page 4 of 18
mV/°C
Rev. 1.2
mA
mV
mV
µA
kΩ
kΩ
ms
µA
kΩ
pF
µs
µs
µs
pF
µs
7/2011
V
V
V
V
V
s