Data sheet, Electrical characteristics (continued) – Diodes AP2128 User Manual
Page 9
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300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR AP2128
Data Sheet
9
Sept. 2010 Rev. 2.0
BCD Semiconductor Manufacturing Limited
(AP2128-2.5V/2.8V/3.0V/3.3V/3.9V/4.2V/4.75V, V
IN
=V
OUT
+1V; AP2128-5.2V, V
IN
=6V, C
IN
=1
µF, C
OUT
=1
µF, Bold type-
face applies over -40
o
C
≤T
A
≤85
o
C, unless otherwise specified.)
Electrical Characteristics (Continued)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Soft Start Time
t
UP
50
µs
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
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