Copyright  ANPEC Electronics Corp.

Rev. B.5 - Jun, 2003

APL1085

www.anpec.com.tw

3

NOTE 1: See thermal regulation specifications for changes in output voltage due to heating effects. Load and line regulations are

measured at a constant junction temperature by low duty cycle pulse testing.

Electrical Characteristics Cont.

APL1085

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Adjust Pin Current

Change APL1085

1.5V

10mA

0.2

5

µA

I

LMIN

Minimum Load

Current APL1085

1.5V

T

J

=0∼125°C

210

mA

I

Q

Quiescent Current

APL1085-3.3

V

8

13

mA

PSRR Ripple Rejection

F=120Hz, C

µF, Tant. ,

(V

60

dB

L

S

Long -Term

Stability

T

J

=125°C,1000Hrs.

0.03

1.0

%

V

N

RMS Output

Noise(% of V

T

J

=25°C,10Hz? F? 10kHz

0.003

%

Thermal

Resistance

Junction to Case

Control Circuitry/Power

Transistor

0.7/3.0

°C/

W

Application Circuits

*Required for stability

APL

* R1 is typically in range of 100

Ω to 120Ω

(2.75V~7V)

APL1085

V

IN

+

10µF

C

1

(1.250V/ 3A)

Solid Tantalum

C

2*

V

OUT

+

(5V)

APL1085

V

IN

+

10µF

C

1

(3.3V/ 3A)

V

OUT

Solid Tantalum

C

2*

+

R1

R2

R1/(R1+R2)=1.250V/3.3V

Typical Regulator

5V to 3.3V Regulator