KA278R33CTSTU 查看數據表（PDF） - Fairchild Semiconductor

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KA278R33CTSTU

2A Output Low Dropout Voltage Regulators

Fairchild Semiconductor 

Electrical Characteristics

(Vin=Note3, Io=1.0A, Ta=25°C , unless otherwise specified)

Parameter

KA278R33C

KA278R05C

Output voltage

KA278R51C

KA278R09C

KA278R12C

Load regulation

Line regulation

Ripple rejection ratio

Dropout voltage

Disable voltage high

KA278RXXC

Disable voltage low

KA278RXXC

Disable bias current high KA278RXXC

Disable bias current low KA278RXXC

Quiescent current

Reference voltage

KA278RA05C

Symbol

Vo

Rload

Rline

RR

Vdrop

VdisH

VdisL

IdisH

IdisL

Iq

Vref

Conditions

-

-

-

-

-

5mA < Io < 2A

Note4

Note1

Io = 2A

Output active

Output disabled

Vdis = 2.7V

Vdis = 0.4V

Io = 0A

-

Note:

1.These parameters, although guaranteed, are not 100% tested in production.

2. Junction -to -case thermal resistance test environments.

-. Pneumatic heat sink fixture.

-. Clamping pressure 60psi through 12mm diameter cylinder.

-. Thermal grease applied between PKG and heat sink fixture.

3. KA278R33C : Vin = 5V

KA278R05C : Vin = 7V

KA278R09C : Vin = 11V

KA278R12C : Vin = 15V

4. KA278R33C : Vin =4 to 10V

KA278R05C, KA278R51C : Vin=6 to 12V

KA278R09C : Vin=10 to 25V

KA278R12C : Vin = 13V to 29V

KA278RXXC-SERIES

Min. Typ. Max. Unit

3.22 3.3 3.38

4.88 5 5.12

4.98 5.1 5.22 V

8.78 9 9.22

11.7 12 12.3

- 0.1 2.0 %

- 0.5 2.5 %

45 55

-

dB

-

- 0.5 V

2.0 -

-

V

-

- 0.8 V

-

-

20 µA

-

- -0.4 mA

-

- 10 mA

1.24 1.27 1.30 V

3

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