Diodes AP2128 - Manual (Page 9)

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