LTC4253IGN Linear Technology, LTC4253IGN Datasheet - Page 26

• 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
26
SQTIMER
PWRGD1
PWRGD2
PWRGD3
SENSE
TIMER
DRAIN
GATE
EN2
EN3
UV
SS
UV DROPS BELOW V
1
V
V
UVLO
GATEL
UV CLEARS V
2
V
UVHI
UVLO
Figure 10. Undervoltage Timing (All Waveforms Are Referenced to V
(V
UVHI
UV
5µA
INITIAL TIMING
– V
(V
UV
UVHST
FOR THE LTC4253A), CHECK OV CONDITION, RESET < 0.8V, GATE < V
50µA
FOR THE LTC4253A). GATE, SS AND TIMER ARE PULLED DOWN, PWRGD RELEASES
20 • (V
20 • (V
V
ACL
TMRH
CB
20 • V
V
+ V
+ V
TMRL
OS
OS
OS
)
)
50µA
3 4 56
TIMER CLEARS V
200µA + 8 • I
START-UP
GATE
7
50µA
8 9 A B
DRN
TMRL
V
SQTMRH
5µA
, CHECK GATE < V
V
V
V
V
V
V
SQTMRL
IN
ACL
CB
DRNCL
DRNL
– V
5µA
GATEH
C
5µA
GATEL
GATEL
D
, SENSE < V
V
, SENSE < V
SQTMRH
V
SQTMRL
EE
5µA
)
CB
CB
, SS < 20 • V
AND SS < 20 • V
4253 F10
OS
AND TIMER < V
OS
425353afd
TMRL