LTC4253 LINER [Linear Technology], LTC4253 Datasheet - Page 6

• Manufacturer Part Number: LTC4253
• Manufacturer: LINER [Linear Technology]

LTC4253/LTC4253A
TYPICAL PERFORMANCE CHARACTERISTICS
6
1000
0.01
400
350
300
250
200
150
100
100
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
0.1
50
10
0
1
–1.5
–55 –35 –15
–55 –35 –15
I
V
I
GATE
SENSE
UV/OV = 4V
V
I
GATEH
IN
GATEH
= 2mA
–1
(FCL, Sink) vs Temperature
= V
vs (V
vs Temperature
IN
TEMPERATURE (°C)
TEMPERATURE (°C)
–0.5
– V
5
5
V
SENSE
SENSE
GATE
25
25
– V
0
– V
45
45
UV/OV = 4V
TIMER = 0V
V
V
EE
SENSE
GATE
EE
(V)
0.5
65
65
)
= 1V
UV/OV = 4V
TIMER = 0V
GATE = HIGH
T
– V
A
85 105 125
85 105 125
= 25°C
EE
1
= 0.3V
4253 G10
4253 G13
4253 G16
1.5
3.375
3.275
3.175
3.075
2.975
2.875
2.775
14.5
14.0
13.5
13.0
12.5
12.0
11.5
11.0
10.5
10.0
–10
–15
–20
–25
–30
–5
0
–55 –35 –15
–55 –35 –15
–55 –35 –15
V
UV Threshold vs Temperature
I
UV/OV = 4V
TIMER = 0V
V
I
I
SENSE
UV/OV = 4V
TIMER = 0V
V
V
IN
IN
GATE
SENSE
SENSE
GATE
= 2mA
= 2mA
= HIGH
vs Temperature
= V
vs Temperature
– V
EE
EE
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
5
5
= 50mV
5
25
25
25
45
45
45
V
V
V
UVH
65
65
UV
UVL
65
85 105 125
85 105 125
85 105 125
4253 G11
4253 G14
4253 G17
5.8
5.6
5.2
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
6.4
6.2
6.0
5.4
5.0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
–55 –35 –15
–55 –35
–55 –35 –15
V
OV Threshold vs Temperature
TIMER Threshold vs Temperature
I
UV/OV = 4V
TIMER = 0V
GATE THRESHOLD
BEFORE RAMP UP
IN
I
GATEL
IN
= 2mA
= 2mA
–15
vs Temperature
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
5
5
5
25
25
25
V
V
V
TMRH
TMRL
V
V
45
OVH
45
OVL
45
OV
65
65
65
85 105 125
85 105
85 105 125
425353afe
4253 G12
4352 G15
4253 G18
125