FC1286 datasheet(2/4 Pages) FCI

2 / 4 page

Absolute Maximum Ratings

Symbol

Parameter

Ratings

Unit

Vin

Input Voltage

Vctrl

Control Input Voltage

Power Dissipation (with heat sink or amount of copper board needed.)

2.4 ~ 4.4

TST

Storage Temperature Range

-65 ~ + 150

TOP

Operating Junction Temperature Range

0 ~ + 150

Electrical Characteristics

Unless otherwise specified, these specifications apply over, Cin=1uF, Cout=10uF, and TJ =0 to 150 : . Typical value refer to TJ =25 : .

Vout=Vsense

Parameter

Conditions

MIN

TYP

MAX

UNIT

Reference Voltage

FC1286-ADJ

Io=10mA, TJ =25 ,

: (Vin-Vout)=0.5V, Vctrl=Vin+1V

1.225

1.250

1.275

FC1286-15

Io=10mA, TJ =25 ,

: 2.0V Vin 12V, Vctrl=Vin+1V

1.470 1.500

1.530

FC1286-18

Io=10mA, TJ =25 ,

: 2.3V Vin 12V, Vctrl=Vin+1V

1.764 1.800

1.836

FC1286-25

Io=10mA, TJ =25 ,

: 3.0V Vin 12V, Vctrl=Vin+1V

2.450 2.500

2.550

FC1286-33

Io=10mA, TJ =25 ,

: 3.8V Vin 12V, Vctrl=Vin+1V

3.235

3.300

3.365

Output Voltage

FC1286-50

Io=10mA, TJ =25 ,

: 5.5V Vin 12V, Vctrl=Vin+1V

4.900 5.000

5.100

Line Regulator

FC1286-XX

Io=10mA, TJ =25 ,

: Vout+0.5< Vin <12, Vctrl=Vin+1V

0.2

FC1286-ADJ

(Vin-Vout)=2V, 0mA<

Io<1.5A, TJ=25 : , Vctrl=Vin+1V

FC1286-15

Vin=3.0V, 0mA<

Io<1.5A, TJ=25 : , Vctrl=4V

FC1286-18

Vin=3.3V, 0mA<

Io<1.5A, TJ=25 : , Vctrl=4.3V

FC1286-25

Vin=4.0V, 0mA<

Io<1.5A, TJ=25 : , Vctrl=5V

FC1286-33

Vin=5.0V, 0mA<

Io<1.5A, TJ=25 : , Vctrl=6V

Load Regulation

FC1286-50

Vin=8.0V, 0mA<

Io<1.5A, TJ=25 : , Vctrl=9V

FC1286-ADJ

Vadj=0V, for all conditions below. ( Vout=1%Vout)

Vin=2.05V,

Io=1.5A

Dropout Voltage

(Vctrl-Vout)

(fixed model)

Vin= Vout +0.8V,

Io=1.5A ( Vout=1%Vout)

1.23

FC1286-ADJ

Vadj=0V, for all conditions below. ( Vout=1%Vout)

Vctrl=3V,

Io=1.5A

FC1286-15

Vctrl=3.3V,

Io=1.5A ( Vout=1%Vout)

FC1286-18

FC1286-25

FC1286-33

Dropout Voltage

(Vin-Vout)

FC1286-50

Vctrl=Vout +1.5V,

Io=1.5A ( Vout=1%Vout)

0.26

0.38

Current Limit

Vctrl=3.0V, Vin=2.05V, Vo=100mV, Vadj=0V

1.6

Minimum Load Current Vctrl=5V, Vin=3.3V, Vadj=0V

Thermal Regulation

30ms pulse

0.01

0.02

%/W

Ripple Rejection

Vctrl=5V, Vin=5V,

Io=1.5A, Vadj=0V, TJ=25 : , Vripple=1Vpp at 120Hz

FC1286-ADJ

Vadj=0V, for all conditions below.

Vctrl=2.75V, Vin=2.05V,

Io=1.5A

FC1286-15

Vctrl=3.3V, Vin=2.3V,

Io=1.5A

FC1286-18

FC1286-25

FC1286-33

Control Pin Current

FC1286-50

Vctrl= Vout +1.5V, Vin= Vout +0.8V,

Io=1.5A

Adjust Pin Current

Vctrl=2.75V, Vin=2.05V, Vadj=0

150

JC ‡

Thermal Resistance

Junction-to-Case

Control Circuitry/Power Transistor

2.5

Note 1:

FC1286-ADJ incorporates an internal thermal shutdown that protects the device where the junction temperature exceeds the

allowable maximum junction temperature.

FC1286-XX 1.5A Ultra Low Dropout Positive Adjustable Regulator

FC1286 Datasheet(PDF) 2 Page - First Components International

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