1A ULTRA LOW DROPOUT LINEAR REGULATOR

AZ2940

Data Sheet

7

Sept. 2011 Rev. 2. 4

BCD Semiconductor Manufacturing Limited

Parameter

Symbol

Condition

Min

Typ

Max

Unit

Output Voltage

1.782

1.8

1.818

V

10mA

1.764

1.8

1.836

V

Line Regulation

3.6

18

mV

Load Regulation

5.4

27

mV

Output Voltage

Temperature Coefficient

36

180

Dropout Voltage (Note 3)

290

500

mV

330

750

mV

Ground Current

12

25

mA

18

mA

Short Circuit Current

1.5

2.2

A

Minimum Load Current

15

mA

Output Noise Voltage (rms)

400

µV

Thermal Resistance

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

7.8

SOT-223

29.7

Electrical Characteristics

AZ2940-1.8 Electrical Characteristics

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