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AMS2905

500mA LOW DROPOUT VOLTAGE REGULATOR

Advanced Monolithic Systems Inc 

ABSOLUTE MAXIMUM RATINGS (Note 1)

Power Dissipation

Internally limited

Input Voltage

15V

Operating Junction Temperature

Control Section

-40°C to 125°C

Power Transistor

-40°C to 150°C

Storage temperature

- 65°C to +150°C

Soldering information

Lead Temperature (25 sec)

265°C

AMS2905

Thermal Resistance

SOT-89 package

ϕ JA= 110°C/W

TO-252 package

ϕ JA= 80°C/W

SOT-223 package

ϕ JA= 90°C/W*

* With package soldering to copper area over backside

ground plane or internal power plane ϕ JA can vary from

46°C/W to >90°C/W depending on mounting technique and

the size of the copper area.

ELECTRICAL CHARACTERISTICS

Electrical Characteristics at IOUT = 0 mA, and TJ = +25°C unless otherwise specified.

Parameter

Device

Conditions

Reference Voltage

(Note 2)

Output Voltage

(Note 2)

Line Regulation

AMS2905

AMS2905-1.5

AMS2905-1.8

AMS2905-2.5

AMS2905-2.85

AMS2905-3.3

AMS2905-5.0

AMS2905

AMS2905-1.5

AMS2905-1.8

AMS2905-2.5

AMS2905-2.85

AMS2905-3.3

AMS2905-5.0

Load Regulation

(Notes 2, 3)

AMS2905

AMS2905-1.5

AMS2905-1.8

AMS2905-2.5

IOUT = 10 mA

10mA ≤ IOUT ≤ 500mA, 1.5V≤ (VIN - VOUT) ≤ 12V

0 ≤ IOUT ≤ 500mA , 4.35V≤ VIN ≤ 12V

0 ≤ IOUT ≤ 500mA , 4.35V≤ VIN ≤ 12V

0 ≤ IOUT ≤ 500mA , 4.35V≤ VIN ≤ 12V

0 ≤ IOUT ≤ 500mA , 4.35V≤ VIN ≤ 12V

0 ≤ IOUT ≤ 500mA , 4.75V ≤ VIN ≤ 12V

0 ≤ IOUT ≤ 500mA , 6.5V ≤ VIN ≤ 12V

ILOAD = 10 mA , 1.5V≤ (VIN - VOUT) ≤ 12V

3.0V≤ VIN ≤ 12V

3.0V≤ VIN ≤ 12V

4.0V≤ VIN ≤ 12V

4.35V≤ VIN ≤ 12V

4.75V≤ VIN ≤ 12V

6.5V≤ VIN ≤ 12V

(VIN - VOUT) =3V, 10mA ≤ IOUT ≤ 500mA

VIN = 5V, 0 ≤ IOUT ≤ 500mA

VIN = 5V, 0 ≤ IOUT ≤ 500mA

VIN = 5V, 0 ≤ IOUT ≤ 500mA

Min Typ Max Units

1.238 1.250

1.262

V

1.225 1.250

1.270

V

1.485 1.500

1.515

V

1.476 1.500

1.524

V

1.782 1.800

1.818

V

1.772 1.800

1.828

V

2.475 2.500

2.525

V

2.460 2.500

2.560

V

2.82

2.850

2.88

V

2.79

2.850

2.91

V

3.267 3.300

3.333

V

3.235 3.300

3.365

V

4.950 5.000

5.050

V

4.900 5.000

5.100

V

0.015

0.2

%

0.035

0.2

%

0.3

5

mV

0.6

6

mV

0.3

5

mV

0.6

6

mV

0.3

6

mV

0.6

6

mV

0.3

6

mV

0.6

6

mV

0.5

10

mV

1.0

10

mV

0.5

10

mV

1.0

10

mV

0.1

0.3

%

0.2

0.4

%

3

10

mV

6

20

mV

3

10

mV

6

20

mV

3

12

mV

6

20

mV

Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723

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