5

Mar. 2007 Rev. 1. 4

BCD Semiconductor Manufacturing Limited

Data sheet

1.5A ULTRA LOW DROPOUT LINEAR REGULATOR

AZ39151

Electrical Characteristics

Parameter

Symbol

Conditions

Min

Ma

Unit

Output Voltage

-1

1

%

10mA

≤I

-2

2

Line Regulation

6V

≤V

3

25

mV

Load Regulation

10mA

≤I

10

50

mV

Output Voltage

Temperature Coefficient

(Note 2)

∆V

100

500

(

∆V

20

100

Dropout Voltage (Note 3)

∆V

80

200

mV

260

mV

375

700

mV

Ground Current

5

10

mA

17

34

mA

Standby Current

130

220

µA

Dropout Ground Pin Current

5

mA

Short Circuit Current

2.8

A

Output Noise Voltage (rms)

200

µV

Minimum Load Current

5mA

Power Supply Ripple Rejection

PSRR

49

65

dB

Enable Input

Enable Voltage

Logic low (off)

0.8

V

Logic high (on)

2.25

Enable Current

15

35

µA

4

Shutdown Output Current

5

10

µA

≤T

Note 2: Output voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature

range.

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