AMS317ACT datasheet(2/8 Pages) ADMOS

2 / 8 page

Advanced Monolithic Systems, Inc.

www.advanced-monolithic.com

Phone (925) 443-0722

Fax (925) 443-0723

AMS317

ABSOLUTE MAXIMUM RATINGS (Note 1)

Power Dissipation

Internally limited

Thermal Resistance

Input Voltage

25V

TO-220 package

JA= 50°C/W

Operating Junction Temperature

TO-263 package

JA= 30°C/W

AMS317A

-40

°C to +125°C

TO-252 package

JA= 80°C/W

AMS317

°C to +125°C

SOT-223 package

JA= 90°C/W*

Storage temperature

- 65

°C to +150°C

Soldering information

Lead Temperature (25 sec)

265

°C

* With package soldering to copper area over backside ground

plane or internal power plane

JA can vary from 46°C/W to

°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

Electrical Characteristics at IOUT = 10 mA, (VIN - VOUT) = 5V, and TJ = +25°C unless otherwise specified.

Parameter

Device

Conditions

AMS317A

Min

Typ

Max

AMS317

Min

Typ

Max

Units

Reference Voltage

(Note 2)

AMS317

IOUT = 10 mA

10mA

≤ I

OUT ≤ IMAX, 3V≤ (VIN - VOUT) ≤ 25V

1.238

1.225

1.250

1.262

1.270

1.225

1.20

1.250

1.270

1.30

Output Voltage

(Note 2)

AMS317-1.8

≤ I

OUT ≤ IMAX, 3.3V≤ VIN ≤ 25V

1.782

1.764

1.800

1.818

1.836

1.764

1.746

1.800

1.836

1.854

AMS317-2.5

≤ I

OUT ≤ IMAX , 4.0V≤ VIN ≤ 25V

2.475

2.460

2.500

2.525

2.560

2.450

2.425

2.500

2.550

2.575

AMS317-2.85

≤ I

OUT ≤ IMAX , 4.35V≤ VIN ≤ 25V

2.82

2.793

2.850

2.88

2.907

2.793

2.765

2.850

2.907

2.935

AMS317-3.3

≤ I

OUT ≤ IMAX, 4.75V ≤ VIN ≤ 25V

3.267

3.235

3.300

3.333

3.365

3.235

3.201

3.300

3.365

3.399

AMS317-5.0

≤ I

OUT ≤ IMAX , 6.5V ≤ VIN ≤ 25V

4.950

4.900

5.000

5.050

5.100

4.900

4.850

5.000

5.100

5.150

Line Regulation

AMS317

ILOAD = 10 mA , 3V≤ (VIN - VOUT) ≤ 25V

0.015

0.035

0.2

0.015

0.035

0.2

Load Regulation

(Notes 2, 3)

AMS317

10mA

≤ I

OUT ≤ IMAX

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

(VIN - VOUT) = 5V

1.5

2.0

1.5

2.0

Minimum Load

Current

AMS317

(VIN - VOUT) = 25V

Thermal Regulation

AMS317

TA = 25°C, 20ms pulse

0.04

0.07

0.04

0.07

Adjust Pin Current

AMS317

100

µA

Adjust Pin Current

Change

AMS317

10mA

≤ I

OUT ≤ IMAX , 3V≤ (VIN - VOUT) ≤

25V

0.2

µA

Temperature

Stability

TMIN ≤ TJ ≤ TMAX

1.0

Long Term Stability

TA =125°C, 1000Hrs

0.3

Ripple Rejection

AMS317

f =120Hz , COUT = 25µF Tantalum,

(VIN-VOUT ) = 3V, CADJ =10µF

RMS Output Noise

(% of VOUT )

TA = 25°C , 10Hz ≤ f ≤ 10kHz

0.003

Thermal Resistance

Junction-to-Case

TO-252 Package

SOT-223 Package

TO-220 / TO-263 Package

23.5

°C/W

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