Diodes AP2181/ AP2191 - Manual (Page 7)

AP2181/ AP2191
Document number: DS31563 Rev. 7 - 2
7 of 17
www.diodes.com
March 2013
© Diodes Incorporated
AP2181/ AP2191
Typical Performance Characteristics
(cont.)
UVLO Decreasing
10ms/div
Current Limit Response vs Peak Current
0
5
10
15
20
25
30
35
40
45
0 2 4 6 8 10 12
Peak Current (A)
C
u
rr
e
n
t
L
imi
t R
esp
o
n
se (
u
s
)
Turn-On Time vs Input Voltage
250
350
450
550
650
750
850
1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
Input Voltage (V)
Tur
n
-O
n Tim
e
(
us
)
Turn-Off Time vs Input Voltage
25
30
35
40
45
50
55
1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
Input Voltage (V)
T
u
rn-O
ff Ti
m
e
(u
s
)
Rise Time vs Input Voltage
300
350
400
450
500
550
600
650
2 2.5 3 3.5 4 4.5 5 5.5 6
Input Voltage (V)
R
ise T
ime (
u
s)
Fall Time vs Input Voltage
19
20
21
22
23
24
25
2 2.5 3 3.5 4 4.5 5 5.5 6
Input Voltage (V)
Fa
ll
Ti
m
e
(
us
)
CL = 1µF
RL =10Ω
TA = +25°C
CL = 1µF
RL = 10Ω
TA = +25°C
CL = 1µF
RL = 10Ω
TA = +25°C
CL = 1µF
RL = 10Ω
TA = +25°C
Iout
500mA/div
Vin
2V/div
TA = +25°C
CL = 68µF
RL = 3.3Ω
VIN = 5V
TA = +25°C