ap2121ak-3.3tre1 BCD Semiconductor Manufacturing Limited, ap2121ak-3.3tre1 Datasheet - Page 9

• Manufacturer Part Number: ap2121ak-3.3tre1
• Description: High Speed, Extremely Low Noise Ldo Regulator
• Manufacturer: BCD Semiconductor Manufacturing Limited

(V
Electrical Characteristics (Continued)
AP2121-1.8 Electrical Characteristics
May 2008 Rev. 2. 0
HIGH SPEED, EXTREMELY LOW NOISE LDO REGULATOR
Parameter
Output Voltage
Input Voltage
Output Current
Load Regulation
Line Regulation
Dropout Voltage
Quiescent Current
Standby Current
Power Supply
Rejection Ratio
Output Voltage
Temperature Coefficient
Short Current Limit
RMS Output Noise
CE "High" Voltage
CE "Low" Voltage
CE Pull-down Resistance
IN
=2.8V, T
J
=25
o
C, C
IN
=1µF, C
(∆V
OUT
∆V
OUT
Symbol
V
V
V
V
I
PSRR
V
=1µF, Bold typeface applies over -40
I
I
LIMIT
RLOAD
RLINE
R
V
OUT
NOISE
DROP
OUT
STD
OUT
I
/V
PD
Q
IN
OUT
/∆T
)/∆T
V
1mA≤I
V
V
1mA≤I
2.3V≤V
I
I
I
I
I
V
V
V
Ripple 0.5Vp-p, f=1kHz
V
I
V
T
10Hz ≤f≤100kHz
CE input voltage "High"
CE input voltage "Low"
OUT
OUT
OUT
OUT
OUT
OUT
A
IN
IN
IN
IN
IN
CE
IN
OUT
=25
=2.8V
-V
=2.8V
=2.8V, I
=2.8V
=2.8V
=30mA
=10mA
=100mA
=150mA
=200mA
in OFF mode
=30mA
=0V
OUT
o
OUT
OUT
9
C
IN
≤6V
Conditions
=1V
≤30mA
≤80mA
OUT
=0mA
o
C≤T
BCD Semiconductor Manufacturing Limited
J
≤85
o
C, unless otherwise specified.)
1.764
Min
200
1.5
2.5
±
±
Typ
150
200
250
1.8
0.1
12
20
25
70
50
30
180
100
4
5
1.836
Max
0.25
300
400
500
40
16
40
50
10
Data Sheet
6
1
AP2121
ppm/
µ
µV/
Unit
MΩ
mA
mV
mV
mV
mA
Vrms
µ
µ
dB
V
V
V
V
A
A
o
o
C
C