Ap3440, A product line of diodes incorporated – Diodes AP3440 User Manual
Page 6
AP3440
Document number: DS36691 Rev. 2 - 2
6 of 15
March 2014
© Diodes Incorporated
AP3440
A Product Line of
Diodes Incorporated
N
E
W
P
R
O
D
U
C
T
Performance Characteristics
Supply Current vs. Input Voltage Supply Current vs. Temperature
UVLO Threshold vs. Temperature EN Threshold vs. Temperature
Efficiency vs. Output Current Switching Frequency vs. Temperature
2.4
2.7
3.0
3.3
3.6
3.9
4.2
4.5
4.8
5.1
5.4
5.7
360
365
370
375
380
385
390
395
400
405
410
415
420
425
430
435
Sup
p
ly
C
u
rre
n
t
(
m
A)
Input Voltage (V)
-50
-25
0
25
50
75
100
125
150
390
395
400
405
410
415
420
425
430
435
440
445
450
455
460
Sup
p
ly
C
u
rre
n
t
(
m
A)
Temperature (
o
C)
-50
-25
0
25
50
75
100
125
150
2.10
2.15
2.20
2.25
2.30
2.35
2.40
2.45
2.50
2.55
2.60
U
VL
O
T
h
re
sh
o
ld
(V)
Temperature (
o
C)
Start Switching
Stop Switching
-50
-25
0
25
50
75
100
125
150
1.14
1.15
1.16
1.17
1.18
1.19
1.20
1.21
1.22
1.23
1.24
1.25
1.26
1.27
1.28
EN
T
h
re
sh
o
ld
(V)
Temperature (
o
C)
V
IN
=5V
Rising
Falling
0
300 600 900 1200 1500 1800 2100 2400 2700 3000 3300 3600 3900 4200
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
Ef
fi
ci
e
n
cy
(%
)
Output Current (mA)
V
OUT
=1.8V
V
IN
=3.3V
V
IN
=5V
-50
-25
0
25
50
75
100
125
150
920
930
940
950
960
970
980
990
1000
1010
1020
R
T
=180k
Sw
it
ch
in
g
F
re
q
u
e
n
cy
(kH
z)
Temperature (
o
C)