AAT3258

300mA LDO Linear Regulator with µP Reset

4

3258.2005.04.1.5

Electrical Characteristics

1

T

Symbol

Description

Conditions

Min

Typ

Max

Units

300mA LDO Regulator

V

OUT

Output Voltage

I

T

-1.5

1.5

%

to 300mA

T

-2.5

2.5

I

OUT

Output Current

V

300

mA

I

SC

Short-Circuit Current

V

600

mA

I

GND

Ground Current

V

70

125

µA

I

SHDN

Shutdown Current

V

1.0

µA

∆V

Line Regulation

V

0.09

%/V

∆V

Dynamic Line Regulation

I

2.5

mV

V

V

Dynamic Load Regulation

I

60

mV

T

ENDLY

Enable Delay Time

BYP = Open

15

µs

V

DO

Dropout Voltage

2

I

400

600

mV

V

IL

Input Low Voltage

0.6

V

V

IH

Input High Voltage

1.5

V

I

IL

Input Low Current

1.0

µA

I

IH

Input High Current

1.0

µA

1kHz

67

PSRR

Power Supply Rejection Ratio

I

10kHz

47

dB

C

1MHz

45

T

SD

Over-Temperature Shutdown

145

°C

Threshold

T

HYS

Over-Temperature Shutdown

12

°C

Hysteresis

e

N

Output Noise

50

µV

RMS

TC

Output Voltage Temperature

22

ppm/°C

Coefficient

1. The AAT3258 is guaranteed to meet performance specifications over the -40°C to 85°C operating temperature range and is assured

by design, characterization, and correlation with statistical process controls.

2. V