Global Mixed-mode Technology Inc.
Typical Performance Characteristics
(V
IN
-V
OUT
= 3V, V
OUT
= 1.25V, C
IN
= 220µF, C
OUT
= 220µF, T
A
=25°C, unless otherwise noted.)
G1084
Load Transient Response
Line Transient Response
Short Circuit-Current
Output Noise
Ripple Rejection
70
60
1.275
1.270
1.265
Line Regulation
Ripple Rejection (dB)
50
625mA
40
30
20
10
0
10
100
1000
10000
100000
1000000
1.260
1A
V
OUT
(V)
1.255
1.250
1.245
1.240
1.235
1.230
1.225
2.5
3
T = 25°C
T = -25°C
(V
IN
-V
OUT
)>V
dropout
V
ripple
<0.5V
P-P
C
OUT
= 220µF
3.5
4
4.5
5
5.5
6
Frequency (Hz)
V
IN
(V)
Ver: 1.1
Sep 20, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
4