YB1231 – HV600mA
Low-Noise LDO Regulator
Typical Characteristics
At T
A
=25℃, V
IN
=(V
OUT
+1V), C
IN
=C
OUT
=2.2μF, V
EN
=V
IN
, unless otherwise noted.
Dropout Voltage vs Output Voltage
600
Dropout Voltage (mV)
Dropout Voltage (mV)
500
400
300
200
100
I
LOAD
=1mA
0
3
3.3
3.5
3.6
3.8
4
4.5
Output Voltage (V)
500
400
300
200
100
0
10
100
200
300
400
500
600
Load Current (mA)
3.3V
4.5V
Dropout Voltage vs. Load Current
Ground Current vs. Input Voltage
140
Dropout Voltage vs. Temperature
600
Dropout Voltage (mV)
500
400
300
200
100
0
10
100
200
300
400
500
600
3.3V at 25 C
3.3V at 85 C
Ground Current (uA)
120
100
80
60
40
20
0
1
2
3
4
5
6
Input Voltage (V)
3.3V
4.5V
Load Current (mA)
YB1231 MRev. 1.4
www.yobon.com.tw
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