Data
S
heet
Preliminary Datasheet
300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR
AP2127
Electrical Characteristics (Continued)
(V
IN
=2.5V (for 0.8V to 1.8V voltage versions), V
IN
=V
OUT
+1V (for 2.5V to 4.75V voltage versions), V
IN
=6V@V
OUT
=5.2V,
T
A
=25
o
C, C
IN
=1µF, C
OUT
=1µF,
Bold
typeface applies over -40
o
C≤T
A
≤85
o
C, unless otherwise specified.)
Parameter
Soft Start Time
RMS Output Noise
Shutdown "High" Voltage
Shutdown "Low" Voltage
V
OUT
Discharge MOSFET
R
DS(ON)
Shutdown Pull Down Resis-
tance
Thermal Shutdown
Thermal Shutdown Hysteresis
Thermal Resistance
θ
JC
SOT-23-5
Symbol
t
SS
V
NOISE
T
A
=25
o
C, 10Hz
≤f≤100kHz,
V
OUT
=0.8V
Shutdown input voltage "High"
Shutdown input voltage "Low"
Shutdown input voltage "Low"
1.5
0
60
3
165
30
150
o
Conditions
Min
Typ
50
60
Max
Unit
µs
µVrms
6
0.4
V
V
Ω
MΩ
o
o
C
C
C/W
Oct. 2009 Rev. 1. 3
7
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
