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AME, Inc.

AME8833/8834

High PSRR, 150mA CMOS LDO

n

General Description

The AME8833 family of positive, linear regulators fea-

ture low quiescent current (50µA typ.) low dropout volt-

age and excellent PSRR, thus making them ideal for Tele-

communications and other battery applications. The ul-

tra-small SC-70 package is attractive for "Pocket" and

"Hand Held" applications.

AME8834’s output voltage can be adjusted with an

external resister divider.

These rugged devices have both Thermal Shutdown,

and Current Fold-back to prevent device failure under the

"Worst" of operating conditions.

As an additional feature, the AME8833/8834 is stable

with an output capacitance of just extended 0.22µF or

greater.

n

Functional Block Diagram

IN

Overcurrent

Shutdown

OUT

Thermal

Shutdown

SHDN

R1

-

AMP

+

R2

Vref

n

Features

l

Stable with only 0.22µF output Cap

Very Low Dropout Voltage

Guaranteed 150mA Output

Accurate to within 1.0%

50µA Quiescent Current

Over-Temperature Shutdown

Current Limiting

Short Circuit Current Fold-back

Excellent PSRR (Typ. 70dB)

Power-Saving Shutdown Mode

Ultra-small SC-70 and SOT-25-L Package

Factory Pre-set Output Voltages

Low Temperature Coefficient

Input Voltage Range (2V - 5.5V)

GND

n

Typical Application

IN

SHDN

IN

OUT

GND

OUT

AME8833

C2

0.22µF

µ

C1

1µF

µ

n

Applications

l

Cellular Phones

Instrumentation

Portable Electronics

Wireless Devices

Cordless Phones

PC Peripherals

Battery Powered Widgets

Electronic Scales

OUT

IN

SHDN

IN

OUT

AME8834

GND

R1

V

REF

R2

C1

C2

l

Cameras

l

Telecommunications

1

AME, Inc.

AME8833/8834

High PSRR, 150mA CMOS LDO

n

Pin Configuration

SC-70

Top View

5

4

SOT-25-L

Top View

AME 8833AEIV

1. V

IN

2. GND

3. SHDN

4. NC

5. V

OUT

5

4

AME 8833AEEV

1. V

IN

2. GND

3. SHDN

4. NC

5. V

OUT

AME8833

1

2

3

1

2

3

SC-70

Top View

5

4

SOT-25-L

Top View

AME 8833BEIV

1. V

OUT

2. GND

3. V

IN

4. SHDN

5. NC

5

4

AME8833

AME 8833BEEV

1. V

OUT

2. GND

3. V

IN

4. SHDN

5. NC

1

2

3

1

2

3

SC-70

Top View

5

4

SOT-25-L

Top View

AME 8834AEIV

1. V

IN

2. GND

3. SHDN

4. ADJ

5. V

OUT

5

4

AME8834

AME 8834AEEV

1. V

IN

2. GND

3. SHDN

4. ADJ

5. V

OUT

1

2

3

1

2

3

2

AME, Inc.

AME8833/8834

High PSRR, 150mA CMOS LDO

n

Ordering Information

AME8833 x x x x x x

Special Feature

Voltage

Number of Pins

Package Type

Operating Temperature Range

Pin Configuration

Configuration

Operating

Temperature

Range

E: -40

O

C to 85

O

C

Package Type

Number

of

Pins

V: 5

Voltage

Special Feature

A: 1.

2.

3.

4.

5.

B: 1.

2.

3.

4.

5.

VIN

GND

SHDN

NC

VOUT

GND

VIN

SHDN

NC

E: SOT-2X

I: SC-70

180:

200:

250:

270:

280:

285:

300:

320:

330:

V=1.8V

V=2.0V

V=2.5V

V=2.7V

V=2.8V

V=2.85V

V=3.0V

V=3.2V

V=3.3V

L: Low profile

Y: Lead free & Low profile

Z: Lead free

3

AME, Inc.

AME8833/8834

High PSRR, 150mA CMOS LDO

n

Ordering Information

AME8834 x x x x x x

Special Feature

Voltage

Number of Pins

Package Type

Operating Temperature Range

Pin Configuration

Configuration

Operating

Temperature

Range

E: -40

O

C to 85

O

C

Package Type

Number

of

Pins

V: 5

Voltage

Special Feature

A: 1.

2.

3.

4.

5.

VIN

GND

SHDN

ADJ

VOUT

E: SOT-2X

I: SC-70

ADJ: Adjustable

L: Low profile

Y: Lead free & Low profile

Z: Lead free

4

AME, Inc.

AME8833/8834

High PSRR, 150mA CMOS LDO

n

Ordering Information

Part Number

AME8833AEIV180

AME8833AEIV250

AME8833AEIV270

AME8833AEIV280

AME8833AEIV285

AME8833AEIV300

AME8833AEIV320

AME8833AEIV330

AME8833AEEV180L

AME8833AEEV250L

AME8833AEEV270L

AME8833AEEV280L

AME8833AEEV285L

AME8833AEEV300L

AME8833AEEV330L

AME8833AEIV180Z

AME8833AEIV250Z

AME8833AEIV280Z

AME8833AEIV285Z

AME8833AEIV300Z

AME8833AEIV330Z

AME8834AEIVADJ

Marking

AWAw

AWBw

AXFw

AWDw

AVZw

AWEw

AXGw

AWCw

AWMww

AWNww

AXEww

AWOww

AWPww

AWQww

AWRww

AWAw

AWBw

AWDw

AVZw

AWEw

AWCw

AWJw

Output Voltage

1.8V

2.5V

2.7V

2.8V

2.85V

3.0V

3.2V

3.3V

1.8V

2.5V

2.7V

2.8V

2.85V

3.0V

3.3V

1.8V

2.5V

2.8V

2.85V

3.0V

3.3V

Adjustable

Package

SC-70

SOT-25

SC-70

Operating Temp. Range

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

- 40

o

C to + 85

o

C

Note: w represents date code ( A thru Z ) : 2 work weeks per character.

Please consult AME sales office or authorized Rep./Distributor for other output voltage and package type availability.

5

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