LT8471 View Datasheet(PDF) - Linear Technology
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LT8471 Datasheet PDF : 34 Pages
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LT8471
Typical Performance Characteristics TA = 25°C, unless otherwise specified.
OV/UV Pin Current
5
4
3
2
1
–40°C
27°C
125°C
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
OV/UV VOLTAGE (V)
8471 G10
OV/UV Overvoltage Threshold
85
84
83
82
81
80
79
78
77
76
75
–50 –30 –10 10 30 50 70 90 110 130 150
TEMPERATURE (°C)
8471 G11
OV/UV Undervoltage Threshold
1.30
1.25
1.20
1.15
1.10
–50 –30 –10 10 30 50 70 90 110 130 150
TEMPERATURE (°C)
8471 G12
SHOUT-C2 Regulation Voltage
vs Temperature
5
REGULATION VOLTAGE
4
3
2
MINIMUM VIN2-C2 VOLTAGE NEEDED
TO OPERATE HIGH SIDE SWITCHES
1
0
–50 –30 –10 10 30 50 70 90 110 130 150
TEMPERATURE (°C)
8471 G13
SHOUT-C2 Voltage vs SS1
5
4
3
2
1
–55°C
25°C
125°C
150°C
0
0
0.5
1
1.5
2
2.5
SS1 VOLTAGE (V)
8471 G14
Minimum Switch On-Time/
Switch Off-Time
400
350
300
250
MINIMUM ON-TIME
200
MINIMUM OFF-TIME
150
100
0
5 10 15 20 25 30 35 40
VIN (V)
8471 G15
Skyhook Diode Forward Voltage
1.0
0.8
0.6
0.4
0.2
0
0
–55°C
25°C
125°C
150°C
100 200 300 400 500
SKYHOOK DIODE CURRENT (mA)
8471 G16
PG Threshold vs Temperature
(FB Falling)
95
94
93
+ FB
92
– FB
91
90
–50 –30 –10 10 30 50 70 90 110 130 150
TEMPERATURE (°C)
8471 G17
8471fc
6
For more information www.linear.com/8471
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