Electrical characteristics – Diodes AZ2940 User Manual

Page 7

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1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940

Data Sheet

7

Sept. 2011 Rev. 2. 4

BCD Semiconductor Manufacturing Limited

Operating Conditions: V

IN

=2.8V, I

OUT

=10mA, C

IN

=10

µF, C

OUT

=10

µF, T

J

=25

o

C, unless otherwise specified.

The Boldface applies over -40

o

C

≤T

J

≤125

o

C.

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Output Voltage


V

OUT

I

OUT

=10mA

1.782

1.8

1.818

V

10mA

≤I

OUT

≤1A, 2.8V≤V

IN

≤13.2V

1.764

1.8

1.836

V

Line Regulation

V

RLINE

I

OUT

=10mA, 2.8V

≤V

IN

≤13.2V

3.6

18

mV

Load Regulation

V

RLOAD

V

IN

=2.8V, 10mA

≤I

OUT

≤1A

5.4

27

mV

Output Voltage
Temperature Coefficient

∆V

OUT

/

∆T

I

OUT

=10mA

36

180

µV/

o

C

Dropout Voltage (Note 3)

V

DROP

∆V

OUT

=1%

I

OUT

=100mA

290

500

mV

I

OUT

=1A

330

750

mV

Ground Current


I

GND

V

IN

=2.8V

I

OUT

=750mA

12

25

mA

I

OUT

=1A

18

mA

Short Circuit Current

I

SC

V

OUT

=0V (Note 2)

1.5

2.2

A

Minimum Load Current

I

LOAD (MIN)

1

5

mA

Output Noise Voltage (rms)

10Hz to 100KHz, I

OUT

=100mA,

C

OUT

=10

µF

400

µV

Thermal Resistance

θ

JC

TO-252-2 (1)/TO-252-2 (3)

7.8

o

C/W

SOT-223

29.7

Electrical Characteristics

AZ2940-1.8 Electrical Characteristics

Note 2: V

IN

=V

OUT(NOMINAL)

+1V.

Note 3: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value

which is measured at V

OUT

+1V applied to V

IN

. In application, V

IN

should be no less than 2.5V.

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