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LTC4253IGN 数据表(PDF) 4 Page - Linear Technology

部件名 LTC4253IGN
功能描述  -48V Hot Swap Controller with Sequencer
PDF  32 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC4253IGN 数据表(HTML) 4 Page - Linear Technology

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LTC4253
4
4253f
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to VEE unless otherwise
specified.
tSQ
SQTIMER Default Ramp Period
SQTIMER Pin Floating,
250
µs
VSQTMR Ramps from 0.5V to 3.5V
tSS
SS Default Ramp Period
SS Pin Floating, VSS Ramps from 0.2V to 2V
250
µs
tPLLUG
UV Low to GATE Low
0.4
µs
tPHLOG
OV High to GATE Low
0.4
µs
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
TYPICAL PERFOR A CE CHARACTERISTICS
IIN vs Temperature
IIN vs VIN
rZ vs Temperature
VZ vs Temperature
Undervoltage Lockout VLKO vs
Temperature
Undervoltage Lockout Hysterisis
VLKH vs Temperature
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
4253 G01
10
9
8
7
6
5
4
3
2
IIN = 2mA
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
4253 G02
14.5
14.0
13.5
13.0
12.5
12.0
IIN = 2mA
VIN (V)
0
5
10
15
20
4253 G03
1000
100
10
1
0.1
TA = 85°C
TA = 125°C
TA = –40°C
TA = 25°C
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
4253 G04
1000
950
900
850
800
750
700
650
600
550
500
VIN = VZ – 0.3V
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
4253 G05
11.0
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
TEMPERATURE (
°C)
–55 –35 –15
5
25
45
65
85 105 125
4253 G06
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0



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