CS8122
Typical Performance Characteristics: continued
Line Regulation vs. Output Current
Load Regulation vs. Output Current
100
80
40
20
0
-20
-40
-60
-80
-100
0
100
200
300
400
500
600
700
800
OUTPUT CURRENT (mA)
TEMP = 125ûC
V
IN
6-26V
TEMP = 25ûC
TEMP = - 40ûC
LOAD REGULATION (mV)
LINE REGULATION (mV)
6
4
2
0
-2
-4
-6
-8
-10
-12
-14
0
100
200
300
400
500
600
700
800
OUTPUT CURRENT (mA)
V
IN
= 14V
TEMP = 125ûC
TEMP = 25ûC
TEMP = -40ûC
60
Dropout Voltage vs. Output Current
Quiescent Current vs. Output Current
900
QUIESCENT CURRENT (mA)
100
90
80
70
60
50
40
30
20
10
0
0
100
200
300
400
500
600
700
800
0
100
200
300
400
500
600
700
800
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
-40ûC
V
IN
= 14V
25ûC
125ûC
800
DROPOUT VOLTAGE (mV)
700
600
500
400
300
200
100
0
-40ûC
125ûC
25ûC
Ripple Rejection
I
OUT
= 250mA
Output Capacitor ESR
10
3
10
2
90
80
70
REJECTION (dB)
C
OUT
= 10mF, ESR = 1 & 0.1mF,
ESR = 0
10
1
ESR (ohms)
C
O
= 47/68mF
Stable Region
60
50
40
30
20
10
0
10
0
10
0
10
-1
10
-2
C
OUT
= 10mF, ESR = 1W
C
O
= 47mF
C
O
= 68mF
C
OUT
= 10mF, ESR = 10W
10
-3
10
7
10
1
10
2
10
3
10
4
10
5
10
6
10
8
10
-4
10
0
10
1
10
2
10
3
FREQUENCY (Hz)
Output Current (mA)
4
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
