LTC4253AIGN#TR Linear Technology, LTC4253AIGN#TR Datasheet - Page 25

• Manufacturer Part Number: LTC4253AIGN#TR
• Description: MS-Hot Swap/High Voltage, Neg. 48V Hot Swap With 1% UV, Sequencer
• Manufacturer: Linear Technology

Specifications of LTC4253AIGN#TR

• Family Name: LTC4253A
• 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: Not Compliant

APPLICATIO S I FOR ATIO
SQTIMER
PWRGD1
PWRGD2
PWRGD3
SENSE
TIMER
DRAIN
GATE
EN2
EN3
UV
SS
UV DROPS BELOW V
1
V
V
UVLO
GATEL
U
UV CLEARS V
2
V
UVHI
U
UVLO
Figure 10. Undervoltage Timing (All Waveforms are Referenced to V
(V
UVHI
UV
5µA
INITIAL TIMING
– V
(V
UV
UVHST
W
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
U
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
LTC4253/LTC4253A
GATEL
GATEL
D
, SENSE < V
V
, SENSE < V
SQTMRH
V
SQTMRL
EE
)
5µA
CB
CB
AND SS < 20 • V
, SS < 20 • V
4253 F10
OS
AND TIMER < V
OS
25
425353afc
TMRL