LTC4214-2IMS#TRPBF Linear Technology, LTC4214-2IMS#TRPBF Datasheet - Page 25
LTC4214-2IMS#TRPBF
Manufacturer Part Number
LTC4214-2IMS#TRPBF
Description
IC CTRLR HOTSWAP NEGVOLT 10MSOP
Manufacturer
Linear Technology
Type
Hot-Swap Controllerr
Datasheet
1.LTC4214-1CMS.pdf
(32 pages)
Specifications of LTC4214-2IMS#TRPBF
Applications
General Purpose
Internal Switch(s)
No
Voltage - Supply
6 V ~ 16 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
APPLICATIO S I FOR ATIO
Circuit Breaker Timing
In Figure 13a, the TIMER capacitor charges at 40 A if the
SENSE pin exceeds V
SENSE pin drops below V
V
13b, when TIMER exceeds V
TMRH
threshold, TIMER is discharged by 5 A. In Figure
(13a) Momentary Circuit-Breaker Fault
PWRGD
SENSE
TIMER
DRAIN
GATE
V
OUT
SS
V
TMRH
CB FAULT
1
U
2
CB
40 A + 8 • I
Figure 13. Circuit-Breaker Timing Behavior (All Waveforms are Referenced to V
V
V
but V
ACL
CB
U
CB
5 A
DRN
before TIMER reaches the
DRN
TMRH
is less than 4.2V. If the
W
, GATE pulls down
(13b) Circuit-Breaker Time Out
U
PWRGD
TIMER
SENSE
DRAIN
GATE
V
OUT
SS
V
TMRH
1
CB FAULT
V
DRNCL
immediately and the LTC4214 shuts down. In Figure 13c,
multiple momentary faults cause the TIMER capacitor to
integrate and reach V
the LTC4214 shuts down. During shutdown, the LTC4214-1
latches TIMER high with a 5 A pull-up current source; the
LTC4214-2 activates a shutdown cooling cycle.
CB TIMES OUT
2
40 A + 8 • I
V
V
ACL
CB
DRN
LTC4214-1/LTC4214-2
(13c) Multiple Circuit-Breaker Fault
PWRGD
SENSE
TIMER
DRAIN
GATE
V
OUT
SS
TMRH
V
TMRH
CB FAULT
. GATE pull down follows and
1
2
EE
5 A
40 A + 8 • I
)
V
DRNCL
CB FAULT
3
CB TIMES OUT
4
DRN
4214 F13
V
V
40 A + 8 • I
ACL
CB
25
DRN
421412f