Data Sheet
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
Electrical Characteristics
AP2120-1.2 Electrical Characteristics
(V
IN
=2.2V, T
J
=25
o
C, C
IN
=1µF, C
OUT
=1µF,
Bold
typeface applies over -40
o
C≤T
J
≤85
o
C, unless otherwise specified.)
Parameter
Output Voltage
Input Voltage
Output Current
Load Regulation
Line Regulation
Symbol
V
OUT
V
IN
I
OUT
V
RLOAD
V
RLINE
V
IN
-V
OUT
=1V
V
IN
=2.2V
1mA≤I
OUT
≤80mA
2.2V≤V
IN
≤6V
I
OUT
=30mA
I
OUT
=10mA
Dropout Voltage
V
DROP
I
OUT
=100mA
I
OUT
=150mA
I
OUT
=200mA
Quiescent Current
Power Supply
Rejection Ratio
Output Voltage
Temperature Coefficient
Short Current Limit
RMS Output Noise
I
Q
PSRR
∆V
OUT
/∆T
(∆V
OUT
/V
OUT
)/∆T
I
LIMIT
V
NOISE
V
IN
=2.2V, I
OUT
=0mA
Ripple 0.5Vp-p, f=1kHz
V
IN
=2.2V
I
OUT
=30mA
V
OUT
=0V
T
A
=25
o
C, I
OUT
=0
10Hz
≤f≤100kHz
150
12
4
700
700
700
700
25
65
40
16
900
900
900
900
50
mV
Conditions
V
IN
=2.2V
1mA≤I
OUT
≤30mA
Min
1.176
Typ
1.2
Max
1.224
6
Unit
V
V
mA
mV
mV
AP2120
µ
A
dB
µV/
o
C
ppm/
o
C
mA
±
120
±
100
50
15
µ
Vrms
Nov. 2009 Rev. 1. 0
6
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
