Ap7173, Typical characteristics, Continued) – Diodes AP7173 User Manual
Page 7: Figure. 9 v, Dropout voltage vs. (v, And temperature (t, Figure. 10 v, Dropout voltage vs. i, Figure. 11 v, Psrr vs. frequency
AP7173
1.5A LOW DROPOUT LINEAR REGULATOR WITH
PROGRAMMABLE SOFT-START
AP7173
Document number: DS31369 Rev. 9 - 2
7 of 15
April 2011
© Diodes Incorporated
Typical Characteristics
(Continued)
At T
A
= +25°C, V
IN
= V
OUT(TYP)
+ 0.3V, V
VCC
= 5V, I
OUT
= 50mA, V
EN
= V
IN
, C
IN
= 1µF, C
VCC
= 4.7µF, and C
OUT
= 10µF, unless otherwise noted.
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0
20
40
60
80
100
120
140
160
180
200
VD
ro
po
ut
(V
in
-V
out)
(mV
)
Vvcc-Vout
Iout=0.5A
-40
o
C
25
o
C
125
o
C
Figure. 9 V
IN
Dropout Voltage vs.
(V
VCC
-V
OUT
) and Temperature (T
A
)
0.00
0.25
0.50
0.75
1.00
1.25
1.50
600
800
1000
1200
1400
1600
1800
2000
VDro
pout(Vvcc-
V
o
ut
)(
mV
)
Iout(A)
-40
o
C
25
o
C
125
o
C
Figure. 10 V
VCC
Dropout Voltage vs.
I
OUT
and Temperature (T
A
)
10
100
1000
10000
100000
0
10
20
30
40
50
60
70
80
90
P
o
wer
S
upp
ly Rej
e
ct
ion Rat
io
(d
B
)
Frequency(Hz)
Vin=1.8V
Vout=1.2V
Vvcc=5V
Css=1nF
500000
Io=0.1A
Io=1.5A
Figure. 11 V
IN
PSRR vs. Frequency
10
100
1000
10000
100000
1000000
1E7
0
10
20
30
40
50
60
70
80
90
Pow
e
r Su
pp
ly R
e
je
ct
io
n
R
a
tio(
dB)
Frequency(Hz)
Vin=1.8V
Vout=1.2V
Vvcc=5V
Css=1nF
Io=0.1A
Io=1.5A
Figure. 12 V
VCC
PSRR vs. Frequency
0.00
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
0
10
20
30
40
50
60
70
80
90
P
o
we
r S
upp
ly Re
jecti
on
Ratio
(dB
)
Vin-Vout(V)
1KHz
10KHz
100KHz
500KHz
Vout=1.2V
Iout=1.5A
Css=1nF
Figure. 13 V
IN
PSRR vs. (V
IN
-V
OUT
)
0
2
4
6
8
10
12
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
V
oL
L
ow-Le
vel PG Vo
ltag
e(V)
PG Current(mA)
Figure. 14 Low-Level PG Voltage vs Current