LTC4253CGN Linear Technology, LTC4253CGN Datasheet - Page 4

• Manufacturer Part Number: LTC4253CGN
• Description: IC HOT SWAP CONTRLR -48V 16-SSOP
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC4253CGN

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: 11.2 V ~ 14.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP (0.150", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

elecTrical characTerisTics
LTC4253/LTC4253A
temperature range, otherwise specifications are at T
SYMBOL
V
V
I
I
V
V
I
∆I
V
V
I
V
I
V
V
I
t
t
t
t
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
4
SENSE
INP
TMR
SQTMR
DRNL
PGH
SQ
SS
PLLUG
PHLOG
OV
OVHST
TMRH
TMRL
SQTMRH
SQTMRL
DRNL
DRNCL
PGL
∆I
TMRACC
DRN
PARAMETER
OV Pin Threshold
OV Pin Hysteresis
SENSE Pin Input Current
UV, OV Pin Input Current
TIMER Pin Voltage High Threshold
TIMER Pin Voltage Low Threshold
TIMER Pin Current
I
SQTIMER Pin Voltage High Threshold
SQTIMER Pin Voltage Low Threshold
SQTIMER Pin Current
DRAIN Pin Voltage Low Threshold
DRAIN Leakage Current
DRAIN Pin Clamp Voltage
PWRGD1, PWRGD2, PWRGD3
Output Low Voltage
PWRGD1, PWRGD2, PWRGD3
Output High Current
SQTIMER Default Ramp Period
SS Default Ramp Period
UV Low to GATE Low
OV High to GATE Low
TMR
at I
DRN
= 50µA – I
50µA
TMR
at I
DRN
= 0µA
CONDITIONS
OV Low to High
UV = 0V = 4V, V
(Sourcing)
UV = OV = 4V
Timer On (Initial Cycle/Latchoff,
Sourcing), V
Timer Off (Initial Cycle, Sinking),
V
Timer On (Circuit Breaker, Sourcing,
I
Timer On (Circuit Breaker, Sourcing,
I
Timer Off (Circuit Breaker, Sinking),
V
Timer On (Circuit Breaker with
I
SQTIMER On (Power Good
Sequence, Sourcing), V
SQTIMER Off (Power Good
Sequence, Sinking), V
For PWRGD1, PWRGD2, PWRGD3 Status
V
V
I
I
I
V
SQTIMER Pin Floating,
V
SS Pin Floating, V
SS Pin Floating, V
DRN
DRN
DRN
DRN
PG
PG
TMR
TMR
DRAIN
DRAIN
PG
SQTMR
= 1.6mA
= 5mA
= 0V (Sourcing)
= 0µA), V
= 50µA), V
= 50µA)
= 50µA
= 2V
= 2V
A
= 5V
= 4V
Ramps from 0.5V to 3.5V
= 25°C.
TMR
The
TMR
SENSE
TMR
SS
= 2V
SS
l
= 2V
Ramps from 0.2V to 1.25V
= 2V
Ramps from 0.2V to 2V
denotes the specifications which apply over the full operating
= 50mV
SQTMR
SQTMR
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to V
specified.
= 2V
= 2V
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
MIN
230
120
3.5
0.8
3.5
30
3
3
7
3
2
6
LTC4253
± 0.1
0.33
2.39
± 0.1
0.25
TYP
300
200
600
250
250
0.4
0.4
15
28
28
50
4
1
5
5
8
4
5
7
MAX
350
280
4.5
1.2
4.5
8.5
0.4
1.2
30
±1
±1
70
7
7
9
7
3
5
5
5.04
MIN
120
3.5
0.8
3.5
82
30
3
3
7
3
2
5
EE
LTC4253A
unless otherwise
± 0.1
5.09
±0.1
0.33
2.39
0.25
TYP
102
200
600
250
140
0.4
0.4
15
28
28
50
4
1
5
5
8
4
5
6
MAX
5.14
122
280
4.5
1.2
4.5
7.5
0.4
1.2
±1
30
±1
70
7
7
9
7
3
5
5
425353afd
UNITS
µA/µA
mV
mV
mA
mA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µs
µs
µs
µs
µs
V
V
V
V
V
V
V
V
V