LTC4253IGN Linear Technology, LTC4253IGN Datasheet - Page 30

• Manufacturer Part Number: LTC4253IGN
• Description: IC HOT SWAP CONTRLR -48V 16-SSOP
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC4253IGN

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: 11.2 V ~ 14.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP (0.150", 3.90mm Width)
• Family Name: LTC4253
• Package Type: SSOP N
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 3.99mm
• Product Height (mm): 1.5mm
• Mounting: Surface Mount
• Pin Count: 16
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC4253/LTC4253A
applicaTions inForMaTion
30
PWRGD1
SENSE
TIMER
DRAIN
GATE
SS
PWRGD1
20 • (V
SENSE
TIMER
DRAIN
GATE
V
V
200µA + 8 • I
END OF INITIAL TIMING CYCLE
12 3 4 5 6 7
OUT
GS(th)
SS
V
ACL
(15a) Without External C
V
TMRH
TMRH
V
(14a) Analog Current Limit Fault
+ V
TMRL
50µA
20 • V
1 2
OS
DRN
)
OS
20 • (V
200µA + 8 • I
34
Figure 14. Current Limit Behavior (All Waveforms Are Referenced to V
7a
Figure 15. Soft-Start Timing (All Waveforms Are Referenced to V
CB
V
V
ACL
CB
+ V
50µA
OS
DRN
)
8 9
SS
5µA
50µA
V
V
V
ACL
CB
DRNCL
10
V
5µA
DRNL
11
V
IN
– V
GATEH
PWRGD1
PWRGD1
SENSE
TIMER
DRAIN
200µA + 8 • I
SENSE
TIMER
DRAIN
GATE
GATE
V
SS
OUT
V
V
DRNCL
TMRH
END OF INITIAL TIMING CYCLE
12 3 4 5 6
V
GS(th)
(14b) Fast Current Limit Fault
DRN
V
1
TMRH
V
TMRL
V
(15b) With External C
20 • V
FCL
50µA
CB TIMES-OUT
2
OS
V
200µA + 8 • I
20 • (V
ACL
V
CB
ACL
7
EE
+ V
)
50µA
EE
DRN
OS
)
)
20 • (V
8 9
SS
CB
V
V
V
50µA
+ V
10
ACL
CB
DRNCL
V
5µA
OS
DRNL
)
4253 F14
11
V
IN
– V
4253 F15
GATEH
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