APL1085FC-TU Просмотр технического описания (PDF) - Anpec Electronics

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Компоненты Описание

производитель

APL1085FC-TU

3A Low Dropout Fast Response Positive Adjustable Regulator and Fixed 3.3V

Anpec Electronics 

APL1085

Electrical Characteristics Cont.

Symbol

Parameter

Test Conditions

∆IADJ

ILMIN

IQ

PSRR

LS

VN

θJC

Adjust Pin Current 1.5V≤( VIN -VOUT)≤5.75V,

Change APL1085 10mA≤ IOUT≤ 3A

Minimum Load

1.5V≤( VIN -VOUT)≤5.75V,

Current APL1085 TJ=0∼125°C

Quiescent Current VI N=5V

APL1085-3.3

Ripple Rejection

Long -Term

Stability

F=120Hz, Cout=22µF, Tant. ,

(VIN -VOUT)=3V, IOUT=3A

TJ =125°C,1000Hrs.

RMS Output

Noise(% of VOUT)

Thermal

TJ=25°C,10Hz? F? 10kHz

Control Circuitry/Power

Resistance

Transistor

Junction to Case

Min.

APL1085

Typ.

0.2

Max.

5

Unit

µA

2

10

mA

8

13

mA

60

dB

0.03

1.0

%

0.003

%

0.7/3.0 °C/

W

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.

Application Circuits

Typical Regulator

VIN (2.75V~7V)

10µF +

C1

APL1085

+

VOUT (1.250V/ 3A)

Solid Tantalum

C2*

5V to 3.3V Regulator

VIN (5V)

10µF +

C1

*Required for stability

APL1085:C2=10µF

* R1 is typically in range of 100Ω to 120Ω

APL1085

R1

+

VOUT (3.3V/ 3A)

Solid Tantalum

C2*

R2

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

Copyright  ANPEC Electronics Corp.

3

Rev. B.5 - Jun, 2003

www.anpec.com.tw

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