Data sheet – Diodes AP2122 User Manual
Page 9
Data Sheet
9
May. 2010 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR AP2122
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Output Voltage
V
OUT
V
IN
=3.8V
1mA
≤I
OUT
≤30mA
2.744
2.8
2.856
V
Input Voltage
V
IN
6
V
Output Current
I
OUT
V
IN
-V
OUT
=1V
150
mA
Load Regulation
V
RLOAD
V
IN
=3.8V
1mA
≤I
OUT
≤80mA
12
40
mV
Line Regulation
V
RLINE
3.3V
≤V
IN
≤6V
I
OUT
=30mA
4
16
mV
Dropout Voltage
V
DROP
I
OUT
=10mA
20
40
mV
I
OUT
=100mA
150
300
I
OUT
=150mA
200
400
Quiescent Current
I
Q
V
IN
=3.8V, I
OUT
=0mA
25
50
µ
A
Standby Current
I
STD
V
IN
=3.8V
V
CE
in OFF mode
0.1
1
µ
A
Power Supply
Rejection Ratio
PSRR
Ripple 0.5Vp-p, f=10kHz
V
IN
=3.8V
70
dB
Output Voltage
Temperature Coefficient
∆V
OUT
/
∆T
I
OUT
=30mA
±
280
µV/
o
C
(∆V
OUT
/V
OUT
)/
∆T
±
100
ppm/
o
C
Short Current Limit
I
LIMIT
V
OUT
=0V
50
mA
RMS Output Noise
V
NOISE
T
A
=25
o
C
10Hz
≤f≤100kHz
30
µ
Vrms
CE "High" Voltage
CE input voltage "High"
1.5
V
CE "Low" Voltage
CE input voltage "Low"
0.25
V
CE Pull-down Internal
Resistance
R
PD
2.5
5
10
M
Ω
Thermal Resistance
(Junction to Case)
θ
JC
SOT-23-5
73.9
o
C/W
(V
IN
=3.8V, T
J
=25
o
C, C
IN
=1
µF, C
OUT
=1
µF, Bold typeface applies over -40
o
C
≤T
J
≤85
o
C, unless otherwise specified.)
Electrical Characteristics (Continued)
AP2122-2.8 Electrical Characteristics