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, VIN=VOUT+1V; AP2128-5.2V, VIN=6V, CIN=1µF, COUT=1µF, Bold type-

face applies over -40oC

≤TA≤85oC, unless otherwise specified.)

Electrical Characteristics (Continued)

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Soft Start Time

tUP

50

µs

Shutdown "High" Voltage

Shutdown input voltage "High"

1.5

6

V

Shutdown "Low" Voltage

Shutdown input voltage "Low"

0

0.4

V

VOUT Discharge MOSFET

RDS(ON)

Shutdown input voltage "Low"

60

Ω

Shutdown Pull Down Resis-

tance

3M

Ω

Thermal Shutdown

165

oC

Thermal Shutdown Hysteresis

30

oC

Thermal Resistance

θJC

SOT-23-5

150

oC/W