
RT9177
Preliminary
www.richtek-ic.com.tw
4
DS9177-00 Feb. 2001
Typical Operating Characteristics
GND Current vs. Temperature
64
65
66
67
68
69
70
71
72
-40
-10
20
50
80
°
110
140
Temperature ( C)
I
G
GND Current vs. Load
65
66
67
68
69
70
71
72
73
74
75
0
50
100
150
200
250
I
OUT
(mA)
I
G
T
A
= 25
°
C
Output Voltage Variation vs. Load
-1.2
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0
50
100
150
200
250
I
OUT
(mA)
V
O
T
A
= 25
°
C
V
OUT
vs. V
IN
2.50
2.60
2.70
2.80
2.90
3.00
3.10
2.5
3.0
3.5
4.0
4.5
5.0
V
IN
(V)
V
O
200mA
100mA
50mA
20mA
V
OUT
= 3V
T
A
= 25
°
C
Dropout Voltage vs. Output Current
0
50
100
150
200
250
20
50
80
Output Current (mA)
110
140
170
200
D
25 C
80 C
V
OUT
= 3V
Output Voltage Variation vs. Temperature
0.4
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0.0
0.1
0.2
0.3
-40
-10
20
50
80
110
140
Temperature ( C)
V
O
200mA
No Load