278R33 View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
MFG CO.
278R33 Datasheet PDF : 18 Pages
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Electrical Characteristics
VIN = Note 3, IO = 1.0 A, TA = 25°C, unless otherwise specified.
Symbol
VO
Rload
Rline
RR
Vdrop
VdisH
VdisL
IdisH
IdisL
Iq
Vref
Parameter
KA278R33C
Output Voltage
KA278R05C
KA278R12C
Load Regulation
Line Regulation(4)
Ripple Rejection Ratio(2)
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
Test Conditions
5 mA < IO < 2 A
Min.
3.22
4.88
11.70
IO = 2 A
Output Active
Output Disabled
Vdis = 2.7 V
Vdis = 0.4 V
IO = 0 A
45
2.0
1.24
Typ.
3.30
5.00
12.00
0.1
0.5
55
1.27
Max.
3.38
5.12
12.30
2.0
2.5
0.5
0.8
20
-0.4
10
1.30
Unit
V
%
%
dB
V
V
V
μA
mA
mA
V
Notes:
2. These parameters, although guaranteed, are not 100% tested in production.
3. KA278R33C: VIN = 5 V;
KA278R05C: VIN = 7 V;
KA278R12C: VIN = 15 V.
4. KA278R33C: VIN =4 V to 10 V;
KA278R05C: VIN = 6 V to 12 V;
KA278R12C: VIN = 13 V to 29 V.
© 2004 Fairchild Semiconductor Corporation
KA278RXXC-Series Rev. 1.1.0
3
www.fairchildsemi.com
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