LTC4253/LTC4253A
7
425353aff
For more information www.linear.com/4253
TYPICAL PERFORMANCE CHARACTERISTICS
I
TMRACC
/I
DRN
vs Temperature
SQTIMER Threshold
vs Temperature
V
DRNL
vs Temperature
V
DRNCL
 vs Temperature
I
DRN
vs V
DRAIN
V
PGL
vs Temperature
I
TMR
(Initial Cycle, Sourcing)
vs Temperature
I
TMR
(Circuit Breaker, Sourcing)
vs Temperature
I
TMR
vs I
DRN
TEMPERATURE (癈)
55 35 15  5   25   45   65   85  105 125
4253 G19
10
9
8
7
6
5
4
3
2
1
0
I
IN
 = 2mA
V
TMR
 = 2V
TEMPERATURE (癈)
55 35 15  5   25   45   65   85  105 125
4253 G22
9.0
8.8
8.6
8.4
8.2
8.0
7.8
7.6
7.4
7.2
7.0
I
IN
 = 2mA
TEMPERATURE (癈)
55 35 15  5   25   45   65   85  105 125
4253 G25
8.0
7.8
7.6
7.4
7.2
7.0
6.8
6.6
6.4
6.2
6.0
I
IN
 = 2mA
I
DRN
 = 50礎
TEMPERATURE (癈)
55 35 15  5   25   45   65   85  105 125
4253 G20
240
230
220
210
200
190
180
170
160
I
IN
 = 2mA
I
DRN
 = 0礎
TEMPERATURE (癈)
55 35 15  5   25   45   65   85  105 125
4253 G23
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
I
IN
 = 2mA
V
SQTMRH
V
SQTMRL
V
DRAIN
 (V)
0
2
4
6
8
10
12
14
16
4253 G26
100
10
1
0.1
0.01
0.001
0.0001
0.00001
I
IN
 = 2mA
T
A
 = 40癈
T
A
 = 25癈
T
A
 = 85癈
T
A
 = 125癈
I
DRN
 (mA)
0.001
0.01
0.1
1
10
4253 G21
10
1
0.1
I
IN
 = 2mA
T
A
 = 25癈
TEMPERATURE (癈)
55 35 15  5   25   45   65   85  105 125
4253 G24
2.60
2.55
2.50
2.45
2.40
2.35
2.30
2.25
2.20
I
IN
 = 2mA
TEMPERATURE (癈)
55 35 15  5   25   45   65   85  105 125
4253 G27
3.0
2.5
2.0
1.5
1.0
0.5
0
I
IN
 = 2mA
I
PG
 = 10mA
I
PG
 = 5mA
I
PG
 = 1.6mA
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