AAT3258

300mA LDO Linear Regulator with µP Reset

3258.2006.03.1.6

5

Electrical Characteristics

1

T

Symbol

Description

Conditions

Min

Typ

Max

Units

Microprocessor Reset Monitor

V

DET

Input Voltage Range

T

1

5.5

V

T

1.2

5.5

I

Q

Quiescent Current

V

1.05

3.0

µA

V

0.85

2.0

I

DD

Operating Supply Current

V

0.85

2.0

µA

I

DOFF

Reset Leakage Current

V

1.0

µA

V

TH

Reset Threshold Voltage

T

AAT3258xxx-x.x-R

2.59

2.63

2.67

V

AAT3258xxx-x.x-Y

2.41

2.45

2.49

∆V

RESET Threshold Tempco

40

ppm/°C

T

P

Reset Propagation Delay

V

15

µs

T

RDY

Reset Active Timeout Period

150

250

400

ms

T

MR

MR Minimum Pulse Width

10

µs

MRGI

MR Glitch Immunity

100

ns

R

MR

MR Pull-Up Resistance

30

65

90

k

Ω

T

MD

MR to Reset Propagation

0.5

µs

Delay

V

IH

MR Input Threshold (high)

V

0.7

× V

DET

V

V

IL

MR Input Threshold (low)

V

0.25

× V

DET

V

I

0.3

V

V

OL

Reset Low Voltage

I

0.4

V

V

I

V

V

OH

Reset High Voltage

I

0.8 * V

DET

V

V

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.