Advanced Monolithic Systems, Inc.

6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140

AMS317

Power Dissipation

Internally limited

Thermal Resistance

Input Voltage

25V

TO-220 package

ϕ

°C/W

Operating Junction Temperature Range

TO-263 package

ϕ

°C/W

AMS317A

-40

°C to +125°C

TO-252 package

ϕ

°C/W

AMS317

0

°C to +125°C

SOT-223 package

ϕ

°C/W*

Storage temperature

- 65

°C to +150°C

Soldering information

Lead Temperature (10 sec)

300

°C

* With package soldering to copper area over backside ground

plane or internal power plane

ϕ

°C/W to

>

90

°C/W (for SOT-223) (20°C/W to >40°C/W for TO-263)

depending on mounting technique and the size of the copper

area.

ELECTRICAL CHARACTERISTICS

Parameter

Device

Conditions

AMS317A

Min

Typ

Max

AMS317

Min

Typ

Max

Units

Reference Voltage

(Note 2)

AMS317

10mA

≤ I

OUT

≤ I

≤ (V

≤ 25V

1.238

1.225

1.250

1.250

1.262

1.270

1.225

1.20

1.250

1.250

1.270

1.30

V

V

Output Voltage

(Note 2)

AMS317-1.8

0

≤ I

OUT

≤ I

≤ V

IN

≤ 25V

1.782

1.764

1.800

1.800

1.818

1.836

1.764

1.746

1.800

1.800

1.836

1.854

V

V

AMS317-2.5

0

≤ I

OUT

≤ I

≤ V

IN

≤ 25V

2.475

2.460

2.500

2.500

2.525

2.560

2.450

2.425

2.500

2.500

2.550

2.575

V

V

AMS317-2.85

0

≤ I

OUT

≤ I

≤ V

IN

≤ 25V

2.82

2.793

2.850

2.850

2.88

2.907

2.793

2.765

2.850

2.850

2.907

2.935

V

V

AMS317-3.3

0

≤ I

OUT

≤ I

≤ V

IN

≤ 25V

3.267

3.235

3.300

3.300

3.333

3.365

3.235

3.201

3.300

3.300

3.365

3.399

V

V

AMS317-5.0

0

≤ I

OUT

≤ I

≤ V

IN

≤ 25V

4.950

4.900

5.000

5.000

5.050

5.100

4.900

4.850

5.000

5.000

5.100

5.150

V

V

Line Regulation

AMS317

≤ (V

≤ 25V

0.015

0.035

0.2

0.2

0.015

0.035

0.2

0.2

%

%

Load Regulation

(Notes 2, 3)

AMS317

10mA

≤ I

OUT

≤ I

MAX

0.1

0.3

0.5

1.0

0.1

0.3

0.5

1.0

%

%

Current Limit

AMS317/-1.8/-

2.5/-2.85/-3.3/-5.0

1.5

2.0

1.5

2.0

A

Minimum Load

Current

AMS317

5

10

5

10

mA

Thermal Regulation

AMS317

0.04

0.07

0.04

0.07

%W

Adjust Pin Current

AMS317

40

100

40

100

µA

µA

Adjust Pin Current

Change

AMS317

10mA

≤ I

OUT

≤ I

≤ (V

≤ 25V

0.2

5

0.2

5

µA

Temperature

Stability

≤ T

J

≤ T

MAX

1.0

1.0

%

Long Term Stability

0.3

1

0.3

1

%

Ripple Rejection

AMS317

µF Tantalum,

µF

66

80

66

80

dB

RMS Output Noise

≤ f ≤ 10kHz

0.003

0.003

%

Thermal Resistance

Junction-to-Case

TO-252 Package

SOT-223 Package

TO-220 / TO-263 Package

5

23.5

5

5

23.5

5

°C/W

°C/W

°C/W