Data sheet, Electrical characteristics – Diodes AP2128 User Manual
Page 6
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR AP2128
Data Sheet
6
Sept. 2010 Rev. 2.0
BCD Semiconductor Manufacturing Limited
Electrical Characteristics
(AP2128-ADJ, V
IN
min=2.5V, C
IN
=1
µF, C
OUT
=1
µF, Bold typeface applies over -40
o
C
≤T
A
≤85
o
C, unless otherwise specified.)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Reference Voltage
V
REF
V
IN
=2.5V
1mA
≤I
OUT
≤300mA
0.784
0.8
0.816
V
Input Voltage
V
IN
2.5
6
V
Maximum Output Current
I
OUT(MAX)
V
IN
=2.5V,
V
OUT
=98%
×V
OUT
300
400
mA
Current Limit
I
LIMIT
V
IN
=2.5V
450
mA
Load Regulation
∆V
OUT
/(
∆I
OUT*
V
OUT
)
V
IN
=2.5V,
1mA
≤I
OUT
≤300mA
0.6
%/A
Line Regulation
∆V
OUT
/(
∆V
IN
*V
OUT
)
V
IN
=2.5V to 6V
I
OUT
=30mA
0.06
%/V
Quiescent Current
I
Q
V
IN
=2.5V, I
OUT
=0mA
60
90
µA
Standby Current
I
STD
V
IN
=2.5V,
V
SHUTDOWN
in off mode
0.1
1.0
µA
Power Supply
Rejection Ratio
PSRR
Ripple 1Vp-p
V
IN
=3V
f=100Hz
68
dB
f=1KHz
68
dB
f=10KHz
54
dB
Output Voltage
Temperature Coefficient
(
∆V
OUT
/V
OUT
)
/
∆T
I
OUT
=30mA, -40
o
C
≤T
A
≤85
o
C
±
100
ppm/
o
C
Short Current Limit
I
SHORT
V
OUT
=0V
50
mA
Soft Start Time
t
UP
50
µs
RMS Output Noise
V
NOISE
T
A
=25
o
C, 10Hz
≤f≤100kHz,
V
OUT
=0.8V
60
µ
Vrms
Shutdown "High" Voltage
Shutdown input voltage "High"
1.5
6
V
Shutdown "Low" Voltage
Shutdown input voltage "Low"
0
0.4
V
V
OUT
Discharge MOSFET
R
DS(ON)
Shutdown input voltage "Low"
60
Ω
Shutdown Pull Down Resis-
tance
3
M
Ω
Thermal Shutdown
165
o
C
Thermal Shutdown Hysteresis
30
o
C
Thermal Resistance
θ
JC
SOT-23-5
150
o
C/W