LTC4253AIGN#TR Linear Technology, LTC4253AIGN#TR Datasheet - Page 3

• 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

temperature range, otherwise specifications are at T
SYMBOL
R
V
V
I
V
V
V
V
V
V
V
V
V
V
V
I
I
V
V
I
∆I
V
V
ELECTRICAL CHARACTERISTICS
GATE
SENSE
INP
TMR
OS
ACL
GATE
GATEL
GATEH
UVHI
UVLO
UV
UVHST
OVHI
OVLO
OV
OVHST
TMRH
TMRL
SQTMRH
SQTMRL
SS
∆I
TMRACC
V
DRN
+ V
SS
OS
PARAMETER
SS Output Impedance
Analog Current Limit Offset Voltage
Ratio (V
GATE Pin Output Current
External MOSFET Gate Drive
Gate Low Threshold
Gate High Threshold
UV Pin Threshold HIGH
UV Pin Threshold LOW
UV Pin Threshold
UV Pin Hysteresis
OV Pin Threshold HIGH
OV Pin Threshold LOW
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
TMR
at I
ACL
DRN
+ V
= 50µA – I
OS
) to SS Voltage
50µA
TMR
at I
DRN
= 0µA
CONDITIONS
UV = OV = 4V, V
V
UV = OV = 4V, V
V
UV = OV = 4V, V
V
V
Before Gate Ramp Up
V
PWRGD2, PWRGD3 Status
UV Low to High
UV High to Low
UV Low to High
OV Low to High
OV High to Low
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
DRN
DRN
DRN
GATE
GATE
GATE
GATE
GATEH
TMR
TMR
A
= 25°C. (Note 2)
= 0µA), V
= 50µA), V
= 50µA)
= 2V
= 2V
= 0V (Sourcing)
= 3V (Sinking)
= 1V (Sinking)
– V
= V
The
EE,
IN
TMR
I
– V
IN
●
TMR
TMR
= 2mA
SENSE
SENSE
SENSE
SENSE
denotes the specifications which apply over the full operating
GATE
= 2V
= 2V
= 2V
, for PWRGD1,
= 50mV
= V
– V
– V
EE
EE
EE
,
= 0.15V,
= 0.3V,
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
LTC4253/LTC4253A
3.075 3.225 3.375
2.775 2.925 3.075
MIN
5.85 6.15 6.45
5.55 5.85 6.15
230
230
120
3.5
0.8
3.5
30
10
3
3
7
LTC4253
±0.1
0.05
0.33
TYP MAX
100
190
300
300
200
600
0.5
2.8
50
12
15
10
17
28
4
1
5
5
8
4
350
350
280
4.5
1.2
4.5
70
30
±1
V
7
7
9
Z
MIN
3.05 3.08 3.11
5.04 5.09 5.14
292
120
3.5
0.8
3.5
30
10
82
3
3
7
LTC4253A
0.05
±0.1
0.33
TYP MAX
190
324
102
200
600
0.5
2.8
50
10
50
17
12
15
28
4
1
5
5
8
4
356
122
280
4.5
1.2
4.5
70
30
±1
V
7
7
9
Z
425353afc
UNITS
µA/µA
3
V/V
mV
mA
mA
mV
mV
mV
mV
mA
kΩ
µA
µA
µA
µA
µA
µA
µA
V
V
V
V
V
V
V
V
V
V
V
V
V