Ap139, Recommended operating conditions, Electrical characteristics – Diodes AP139 User Manual

Page 3: 300ma low-noise cmos ldo

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AP139

300mA LOW-NOISE CMOS LDO

AP139 Rev. 6

3 of 7

FEBRUARY 2009

www.diodes.com

©

Diodes Incorporated

Recommended Operating Conditions


Symbol

Parameter

Min

Max

Unit

V

IN

Input voltage

2.7 5.5 V

I

OUT

Output Current

0

300

mA

T

A

Operating Ambient Temperature

-40 85

°C


Electrical Characteristics

(T

A

= +25ºC, unless otherwise noted)


Symbol

Parameter

Test Conditions

Min

Typ.

Max

Unit

V

IN

Input

Voltage

Note 3

- 5.5 V

I

Q

Quiescent

Current

I

O

= 0mA

-

45

60

μA

I

STB

Standby

Current

V

IN

= 5.0V, V

OUT

= 0V, V

EN

< V

EL

-

2.0

3.0

μA

V

OUT

Output Voltage Accuracy I

O

= 1mA, V

IN

= 5V

-2

-

2

%

V

OUT

Temperature

Coefficient

-

50

-

ppm/

o

C

V

DROPOUT

Dropout Voltage

I

O

= 1mA to 300mA,

V

OUT

= V

O(NOM)

- 1.5%

V

O

≥2.8V

- -

0.45

V

I

OUT

Output

Current

300 -

-

mA

I

LIMIT

Current

Limit

V

OUT

> 1.05V

300

450

-

mA

I

short

Short Circuit Current

V

cc

= 5V, V

out

< 1.05V

- 150

300 mA

△V

LINE

Line Regulation

I

OUT

= 1mA, V

IN

= (V

OUT

+1V) to 5.5V

-

0.1

0.3

%

△V

LOAD

Load Regulation

I

O

= 1mA to 300mA, V

IN

= 5V

-

0.3

1

%

PSRR Power Supply Rejection

I

O

= 100mA,

C

O

= 2.2

μF ceramic

f = 1KHz

-

60

-

dB

f = 10KHz

-

50

-

f = 100KHz

-

40

-

PSRR Power Supply Rejection

I

O

= 100mA,

C

O

= 2.2

μF ceramic,

C

BYP

= 20nF

f = 1KHz

-

75

-

dB

f = 10KHz

-

55

-

f = 100KHz

-

30

-

V

EH

EN Input Threshold

Output ON

1.7

-

-

V

V

EL

Output

OFF -

-

0.8

V

I

EN

Enable Pin Current

-

-

<0.1

μA

OTS

Over Temperature
Shutdown

-

130

-

o

C

OTH

Over Temperature
Hysteresis

-

20

-

o

C

θ

JA

Thermal Resistance

SOT25 (Note 4)

226

ºC/W

θ

JC

Thermal Resistance

SOT25 (Note 4)

34

ºC/W

Notes: 3. V

IN(MIN)

= V

OUT

+ V

DROPOUT.

4. Test conditions for SOT25: Devices mounted on FR-4 PC board, MRP, 1 oz. copper, single sided, calibrate at T

J

=85 ºC, measure at T

A

=25 ºC,

no heat Sink, no air flow.




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