KA278R12C Fairchild Semiconductor, KA278R12C Datasheet - Page 3

• Manufacturer Part Number: KA278R12C
• Description: The KA278RXXC is a low-dropout voltage regulator suitable for various electronic equipments
• Manufacturer: Fairchild Semiconductor

Electrical Characteristics
(Vin=Note3, Io=1.0A, Ta=25°C , unless otherwise specified)
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
4. KA278R33C : Vin =4 to 10V
Parameter
Output voltage
Load regulation
Line regulation
Ripple rejection ratio
Dropout voltage
Disable voltage high
Disable voltage low
Disable bias current high KA278RXXC
Disable bias current low
Quiescent current
Reference voltage
KA278R05C : Vin = 7V
KA278R12C : Vin = 15V
KA278R05C : Vin=6 to 12V
KA278R12C : Vin = 13V to 29V
KA278R33C
KA278R05C
KA278R12C
KA278RXXC
KA278RXXC
KA278RXXC
KA278RA05C
Symbol
Rload
Vdrop
VdisH
VdisL
Rline
IdisH
IdisL
Vref
RR
Vo
Iq
5mA < Io < 2A
Note4
Note1
Io = 2A
Output active
Output disabled
Vdis = 2.7V
Vdis = 0.4V
Io = 0A
Conditions
-
-
-
-
Min.
3.22
4.88
1.24
11.7
2.0
45
-
-
-
-
-
-
-
Typ.
1.27
3.3
0.1
0.5
12
55
5
-
-
-
-
-
-
KA278RXXC-SERIES
Max.
3.38
5.12
12.3
1.30
-0.4
2.0
2.5
0.5
0.8
20
10
-
-
Unit
mA
mA
dB
μA
%
%
V
V
V
V
V
3