AAT3258ITS-3.3-R-T1 参数 Datasheet PDF下载

AAT3258

300mA LDO Linear Regulator with µP Reset

Electrical Characteristics

1

T

A

= 25°C, unless otherwise noted.

Symbol

Description

Conditions

T

A

= 0°C to +70°C

T

A

= -40°C to +85°C

V

CC

= 5.5V

V

CC

= 3.0V

V

DET

= 3.0V

V

DET

> V

TH

AAT3258xxx-x.x-R

T

A

= 25°C

AAT3258xxx-x.x-Y

V

DET

= V

TH

to (V

TH

- 100mV)

150

10

30

Min

1

1.2

Typ

Max

5.5

5.5

3.0

2.0

2.0

1.0

2.67

2.49

Units

Microprocessor Reset Monitor

V

DET

I

Q

I

DD

I

DOFF

V

TH

∆V

TH

/°C

T

P

T

RDY

T

MR

MRGI

R

MR

T

MD

V

IH

V

IL

V

OL

Input Voltage Range

Quiescent Current

Operating Supply Current

Reset Leakage Current

Reset Threshold Voltage

RESET Threshold Tempco

Reset Propagation Delay

Reset Active Timeout Period

MR Minimum Pulse Width

MR Glitch Immunity

MR Pull-Up Resistance

MR to Reset Propagation

Delay

MR Input Threshold (high)

MR Input Threshold (low)

V

µA

µA

µA

V

ppm/°C

µs

ms

µs

ns

kΩ

µs

0.25

×

V

DET

0.3

V

0.4

V

V

1.05

0.85

0.85

2.59

2.41

2.63

2.45

40

15

250

100

65

0.5

400

90

Reset Low Voltage

V

OH

Reset High Voltage

V

DET

= V

TH(MAX)

0.7

×

V

DET

V

DET

= V

TH(MAX)

I

SINK

= 1.2mA, V

DET

= V

TH(MIN)

,

V

TH

≤

3.08V, Reset Asserted

I

SINK

= 3.2mA, V

DET

= V

TH(MIN)

,

V

TH

>

3.08V, Reset Asserted

I

SOURCE

= 800µA, V

DET

> 3.08V,

V

DET

- 1.5

V

DET

> V

TH(MAX)

I

SOURCE

= 500µA, V

DET

>

0.8 * V

DET

V

TH(MAX)

, V

TH

≤

3.08V

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.

3258.2006.03.1.6

5