Datasheet

V
IN
(V)
5
8 10 15 20 25 30
RON/SD PIN VOLTAGE (V)
0
1.0
2.0
3.0
R
ON
= 50k
100k
500k
V
IN
(V)
5
8 10 15 20 25 30
800
700
600
500
400
300
200
100
0
I
IN
(PA)
Operating Current (FB = 3V)
Shutdown Current (RON/SD = 0V)
V
IN
(V)
5
8 10 15 20 25 30
0.1
0.3
1.0
3.0
10
ON-TIME (Ps)
R
ON
= 500k
300k
100k
50k
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
I
CC
INPUT CURRENT(mA)
7
8 9 10 11 12 13
EXTERNALLY APPLIED V
CC
(V)
14
F
S
= 200 kHz
F
S
= 550 kHz
F
S
= 100 kHz
0 2 4 6 8 10
0
1
2
3
4
5
6
7
8
V
CC
(V)
I
CC
(mA)
V
IN
= 8V
V
IN
= 9V
V
CC
Externally Loaded
F
S
= 200 kHz
V
IN
t10V
6.5
7.0 7.5 8.0 8.5 9.0 9.5
V
IN
(V)
V
CC
(V)
5.0
5.5
6.0
6.5
7.0
7.5
10
Load Current = 300 mA
I
CC
= 0 mA
F
S
= 200 kHz
F
S
= 620 kHz
F
S
= 100 kHz
LM2694
www.ti.com SNVS444A –MAY 2006–REVISED APRIL 2013
Typical Performance Characteristics
Figure 3. V
CC
vs V
IN
Figure 4. V
CC
vs I
CC
Figure 5. I
CC
vs Externally Applied V
CC
Figure 6. ON-Time vs V
IN
and R
ON
Figure 7. Voltage at R
ON
/SD Pin Figure 8. I
IN
vs V
IN
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