LTC4253AIGN Linear Technology, LTC4253AIGN Datasheet - Page 4

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

Specifications of LTC4253AIGN

• 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

LTC4253/LTC4253A
temperature range, otherwise specifications are at T
SYMBOL PARAMETER
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.
ELECTRICAL CHARACTERISTICS
4
TYPICAL PERFOR A CE CHARACTERISTICS
SQTMR
DRNL
PGH
SQ
SS
PLLUG
PHLOG
DRNL
DRNCL
PGL
14.5
14.0
13.5
13.0
12.5
12.0
–55 –35 –15
V
I
Z
IN
vs Temperature
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
= 2mA
TEMPERATURE (°C)
5
25
45
65
W
85 105 125
4253 G01
U
CONDITIONS
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
PG
PG
DRAIN
DRAIN
PG
SQTMR
= 1.6mA
= 5mA
= 0V (Sourcing)
= 50µA
1000
= 5V
= 4V
100
0.1
Ramps from 0.5V to 3.5V
10
1
0
I
A
IN
= 25°C. (Note 2)
vs V
SS
SS
The
IN
5
Ramps from 0.2V to 2V
Ramps from 0.2V to 1.25V
T
T
SQTMR
A
A
SQTMR
= –40°C
= 25°C
●
denotes the specifications which apply over the full operating
10
V
= 2V
IN
= 2V
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to V
specified.
(V)
15
T
T
A
A
= 85°C
= 125°C
20
4253 G02
●
●
●
●
●
●
●
●
MIN
30
3
2
6
LTC4253
1000
950
900
850
800
750
700
650
600
550
500
±0.1
2.39
0.25
TYP MAX
250
250
0.4
0.4
50
28
5
7
–55 –35 –15
I
IN
V
IN
vs Temperature
8.5
0.4
1.2
= V
±1
70
7
3
5
5
Z
– 0.3V
TEMPERATURE (°C)
MIN
5
30
3
2
5
EE
LTC4253A
25
unless otherwise
2.39
±0.1
0.25
TYP MAX
250
140
0.4
0.4
28
50
45
5
6
65
7.5
0.4
1.2
±1
70
7
3
5
5
85 105 125
425353afc
4253 G03
UNITS
mA
µA
µA
µA
µA
µs
µs
µs
µs
µs
V
V
V
V