Diodes AP2145/ AP2155 - Manual (Page 8)

AP2145/ AP2155
Document number: DS32031 Rev. 3 - 2
8 of 13
www.diodes.com
March 2013
© Diodes Incorporated
AP2145/ AP2155
Typical Performance Characteristics
(cont.)
Static Drain-Source On-State Resistance vs Ambient
Temperature
65
75
85
95
105
115
125
135
145
-60 -40 -20 0 20 40 60 80 100
Ambient Temperature (°C)
St
a
ti
c
D
ra
in-S
our
c
e
O
n
-S
ta
te
R
esi
st
an
ce (
m
Ω
)
Short-Circuit Output Current vs Ambient Temperature
720
725
730
735
740
745
750
-60 -40 -20 0 20 40 60 80 100
Ambient Temperature (°C)
S
hor
t-
C
ir
c
uit
O
ut
p
ut
C
ur
re
nt
(
A
)
Undervoltage Lockout vs Ambient Temperature
1.95
1.96
1.97
1.98
1.99
2.00
2.01
2.02
2.03
2.04
2.05
-60 -40 -20 0 20 40 60 80 100
Ambient Temperature (°C)
U
nde
rv
olt
a
ge
Loc
k
out
(
V
)
Threshold Trip Current vs Input Voltage
1.10
1.11
1.12
1.13
1.14
1.15
2.8 3.3 3.8 4.3 4.8 5.3
Input Voltage (V)
T
h
re
s
h
old Tr
ip
C
u
rr
e
nt
(A
)
Current Limit Response vs Peak Current
0
5
10
15
20
25
30
35
40
45
2 3 4 5 6 7 8 9 10
Peak Current (A)
C
u
rr
e
n
t
L
imi
t R
esp
o
n
se
(
u
s)
VIN=5V
TA= +25°C
CL=22µF
Vin=3.3V
Vin=5V
Vin=3.3V
Vin=5V
UVLO Falling
UVLO Rising
TA= +25°C
CL=22µF