Datasheet

2.5 3.5 4.5 5.5 6.5 7.5 8.5 9.5
V
IN
(V)
0
50
100
150
200
250
300
350
R
DS_ON
(m:)
CURRENT LIMIT (A)
2
2.1
2.2
2.3
2.4
2.5
2.6
-40 -25
0
25 50 75 100 125
TEMPERATURE (
o
C)
FEEDBACK VOLTAGE (V)
1.222
1.223
1.224
1.225
1.226
1.227
1.228
1.229
1.23
1.231
-40 -25
0
25 50 75 100 125
TEMPERATURE (
o
C)
R
DS(ON)
(:)
-40 -25
0
25 50 75 100 125
TEMPERATURE (
o
C)
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
Vin = 5V
Vin = 3.3V
I
Q
V
IN
(IDLE) (PA)
TEMPERATURE (
o
C)
340
345
350
355
360
365
370
375
380
-50
-25
0
25
50
75
100
125
150
TEMPERATURE (
o
C)
FEEDBACK BIAS CURRENT (PA)
0
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
-50
-25
0
25
50
75
100
125
150
TI Confidential - NDA Restrictions
LM2731
SNVS217F –MAY 2004–REVISED NOVEMBER 2012 www.ti.com
Typical Performance Characteristics (continued)
Unless otherwise specified: V
IN
= 5V, SHDN pin tied to V
IN
.
Iq Vin (Idle) Feedback Bias Current
vs vs
Temperature Temperature
Figure 9. Figure 10.
Feedback Voltage R
DS
(ON)
vs vs
Temperature Temperature
Figure 11. Figure 12.
Current Limit R
DS
(ON)
vs vs
Temperature V
IN
Figure 13. Figure 14.
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