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BCD Semiconductor Manufacturing Limited
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2120
Data Sheet
Mar. 2013 Rev. 1. 4
Electrical Characteristics
AP2120-1.2 Electrical Characteristics
Parameter Symbol Conditions Min Typ Max Unit
Output Voltage
V
OUT
V
IN
=2.2V
1mA≤I
OUT
≤30mA
1.176 1.2 1.224 V
Input Voltage V
IN
6V
Output Current I
OUT
V
IN
-V
OUT
=1V 150 mA
Load Regulation
V
RLOAD
V
IN
=2.2V
1mA≤I
OUT
≤80mA
12 40 mV
Line Regulation
V
RLINE
2.2V≤V
IN
≤6V
I
OUT
=30mA
416mV
Dropout Voltage
V
DROP
I
OUT
=10mA 700 900
mV
I
OUT
=100mA 700 900
I
OUT
=150mA 700 900
I
OUT
=200mA 700 900
Quiescent Current
I
Q
V
IN
=2.2V, I
OUT
=0mA
25 50
μA
Power Supply
Rejection Ratio
PSRR
Ripple 0.5Vp-p, f=1kHz
V
IN
=2.2V
65 dB
Output Voltage
Temperature Coefficient
ΔV
OUT
/ΔT
I
OUT
=30mA
±120
μV/
o
C
(ΔV
OUT
/V
OUT
)/ΔT
±100
ppm/
o
C
Short Current Limit I
LIMIT
V
OUT
=0V 50 mA
RMS Output Noise
V
NOISE
T
A
=25
o
C, I
OUT
=0
10Hz ≤f≤100kHz
15
μVrms
(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.)
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