ELM89 Datasheet, PDF (16/20 Pages) ELM Electronics – CMOS 300mA LDO Voltage regulator

ELM89xxxBC CMOS 300mA LDO Voltage regulator
http://www.elm-tech.com
Load Transient Response
4.0
Co=1.0 F
3.5 _{Output Voltage}
Vin=4.0V
3.0
2.5
2.0
Output Current
100mA
10mA
0 40 80 120 160 200 240 280 320 360
Time( S)
Iss-Vin
Top=25
22
20
18
16
14
12
10
8
6
4
2
0
0123456
Vin(V)
Input Transient Response
6
Co=1.0 F
5.5 _{Input Voltage}
5
4.5
4
3.5
3
2.5 ^{Output Voltage}
2
0 40 80 120 160 200 240 280 320
Time( S)
70
60
50
40
30
20
10
0
10¹
Ripple Rejection
Co=1.0 F
10²
10³
10⁴
10⁵
Frequency(Hz)
20 - 16
Rev.1.0