LTC4253AIGN#TR Linear Technology, LTC4253AIGN#TR Datasheet - Page 22

• 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
LTC4253/LTC4253A
22
(–48RTN) – (–48V)
GND – V
SQTIMER
PWRGD1
PWRGD2
PWRGD3
SENSE
UV/OV
TIMER
DRAIN
EE
GATE
V
EN2
EN3
OUT
V
OR
SS
IN
U
1 2
V
RESET < 0.8V, GATE < V
U
IN
Figure 8. System Power-Up Timing (All Waveforms are Referenced to V
V
V
CLEARS V
LKO
GATEL
LKO
W
, CHECK UV > V
INITIAL TIMING
5µA
GATEL
50µA
, SENSE < V
20 • (V
20 • (V
UVHI
U
ACL
V
(V
CB
TMRH
20 • V
UV
CB
+ V
+ V
V
TMRL
FOR THE LTC4253A), OV < V
, SS < 20 • V
OS
OS
OS
)
)
50µA
3 4 56
TIMER CLEARS V
200µA + 8 • I
START-UP
OS
GATE
AND TIMER < V
7 89
50µA
V
SQTMRH
5µA
A B
DRN
TMRL
V
V
V
V
V
OVLO
IN
ACL
CB
DRNCL
DRNL
, CHECK GATE < V
– V
TMRL
C
5µA
(V
GATEH
OV
5µA
V
– V
IH
OVHST
V
SQTMRH
D
GATEL
FOR THE LTC4253A),
V
IH
, SENSE < V
5µA
EE
4253 F08
)
CB
AND SS < 20 • V
OS
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