Document
SEMICONDUCTOR
TECHNICAL DATA
KIA278R015FP/PI~ KIA278R050FP/PI
BIPOLAR LINEAR INTEGRATED CIRCUIT
2A LOW DROPOUT VOLTAGE REGULATOR [Low Quiescent Current Type]
FEATURES 2.0A Output Low Dropout Voltage Regulator. Very Low Dropout Voltage : 0.5V/Max (IOUT=2.0A) Built-in ON/OFF Control terminal. : Active High Built in Over Current, Over Heat Protection ASO Protection Functions. Low Quiescent Current (Output OFF Mode) : 0.5 A(Typ.) Low Voltage Operation : VOPR(MIN)=2.35V.
LINE UP ITEM
KIA278R015FP/PI KIA278R018FP/PI KIA278R020FP/PI KIA278R025FP/PI KIA278R030FP/PI KIA278R033FP/PI KIA278R050FP/PI
OUTPUT VOLTAGE (Typ.) 1.5 1.8 2.0 2.5 3.0 3.3 5.0
PACKAGE
FP : D2PAK-5 PI : TO-220IS-4
MAXIMUM RATINGS (Ta=25 )
CHARACTERISTIC
Input Voltage
ON/OFF Control Voltage
Output Current
Power Dissipation-1 (No Heatsink)
FP PI
Power Dissipation-2 (Infinite Heatsink)
FP PI
Junction Temperature
Operating Junction Temperature
Storage Temperature
SYMBOL VIN VC IOUT
PD1
PD2
Tj Topr Tstg
RATING 15 15 2.0 2.0 1.5 35 15 150
-20 80 -30 150
UNIT V V A
W
W
2005. 10. 21
Revision No : 0
1/10
KIA278R015FP/PI~KIA278R050FP/PI
KIA278R015FP~KIA278R050FP (D2PAK-5)
2005. 10. 21
Revision No : 0
2/10
KIA278R015FP/PI~KIA278R050FP/PI
KIA278R015PI~KIA278R050PI (TO-220IS-4)
2005. 10. 21
Revision No : 0
3/10
KIA278R015FP/PI~KIA278R050FP/PI
ELECTRICAL CHARACTERISTICS (KIA278R015) (Unless otherwise specified, VIN=VO+1V, IO=1A, Ta=25 )
CHARACTERISTIC
SYMBOL
CONDITIONS
Input Voltage Output Voltage Load Regulation Line Regulation Temperature Coefficient of Output Voltage
Ripple Rejection
Output ON state for control Voltage Output ON state for control Current Output OFF state for control Voltage Output OFF state for control Current Quiescent Current Quiescent Current (OFF Mode)
VIN VO Reg Load Reg Line TCVO
RR
VC(ON) IC(ON) VC(OFF) IC(OFF)
IQ IQ(OFF)
IO=5mA 2.0A VIN=2.5V~5.5V, IO=5mA Tj=0 125 , IO=5mA IOUT=0.5A, f=120Hz, Vripple=0.5Vrms VC=2.7V VC=0.4V IO=0A VC=0.4V, IO=0A
MIN. 2.35 1.45
-
TYP. -
1.50 0.2 0.05 0.02
MAX. 7
1.55 2.0 1.0 0.05
UNIT V V % %
%/
45 60 - dB
2.0 - - V
- - 200 A
- - 0.8 V
- - 2.0 A
- 1 2 mA
- 0.5 5
A
ELECTRICAL CHARACTERISTICS (KIA278R018) (Unless otherwise specified, VIN=VO+1V, IO=1A, Ta=25 )
CHARACTERISTIC Input Voltage Output Voltage Load Regulation Line Regulation Temperature Coefficient of Output Voltage
Ripple Rejection
Output ON state for control Voltage Output ON state for control Current Output OFF state for control Voltage Output OFF state for control Current Quiescent Current Quiescent Current (OFF Mode)
SYMBOL VIN VO
Reg Load Reg Line
TCVO
RR
VC(ON) IC(ON) VC(OFF) IC(OFF)
IQ IQ(OFF)
CONDITIONS
-
-
IO=5mA 2.0A VIN=2.5V~5.5V, IO=5mA
Tj=0 125 , IO=5mA IOUT=0.5A, f=120Hz, Vripple=0.5Vrms
-
VC=2.7V
-
VC=0.4V IO=0A VC=0.4V, IO=0A
MIN. 2.35 1.75
-
TYP. 1.8 0.2
0.05 0.02
MAX. 7
1.85 2.0 1.0 0.05
UNIT V V % %
%/
45 60 - dB
2.0 - - V
- - 200 A
- - 0.8 V
- - 2.0 A
- 1 2 mA
- 0.5 5
A
2005. 10. 21
Revision No : 0
4/10
KIA278R015FP/PI~KIA278R050FP/PI
ELECTRICAL CHARACTERISTICS (KIA278R020) (Unless otherwise specified, VIN=VO+1V, IO=1A, Ta=25 )
CHARACTERISTIC
SYMBOL
CONDITIONS
Output Voltage
VO -
Load Regulation Line Regulation Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage
Reg Load Reg Line
TCVO
RR VD
IO=5mA 2.0A VIN=3V~6V, IO=5mA
Tj=0 125 , IO=5mA IOUT=0.5A, f=120Hz, Vripple=0.5Vrms IO=2A
Output ON state for control Voltage
VC(ON)
-
Output ON state for control Current
IC(ON)
VC=2.7V
Output OFF state for control Voltage
VC(OFF)
-
Output OFF state for control Current Quiescent Current
IC(OFF) IQ
VC=0.4V IO=0A
Quiescent Current (OFF Mode)
IQ(OFF)
VC=0.4V, IO=0A
MIN. 1.95
-
TYP. 2.0 0.2 0.05 0.02
MAX. 2.05 2.0 1.0 0.05
UNIT V % %
%/
45 60 - dB
- - 0.5 V
2.0 - - V
- - 200 A
- - 0.8 V
- - 2.0 A
- 1 2 mA
- 0.5 5
A
ELECTRICAL CHARACTERISTICS (KIA278R025) (Unless otherwise specified, VIN=VO+1V, IO=1A, Ta=25 )
CHARACTERISTIC
SYMBOL
CONDITIONS
Output Voltage
VO -
Load Regulation Line Regulation
Reg Load Reg Line
IO=5mA 2.0A VIN=3V~6.5V, IO=5mA
Temperature Coefficient of Output Voltage
Ripple Rejection
Dropout Voltage Output ON state for control Voltage Output ON state for control Current Output OFF state for control Voltage Output OFF state for control Current Quiescent Current
TCVO
RR
VD VC(ON) IC(ON) VC(OFF) IC(OFF)
IQ
Tj=0 125 , IO=5mA IOUT=0.5A, f=120Hz, Vripple=0.5Vrms IO=2A
VC=2.7V
VC=0.4V IO=0A
Quiescent Current (OFF Mode)
IQ(OFF)
VC=0.4V, IO=0A
MIN. 2.438
-
TYP. 2.50 0.2 0.05 0.02
MAX. 2.562 2.0 1.0
0.05
UNIT V % %
%/
45 60 - dB
- - 0.5 V
2.0 - - V
- - 200 A
- - 0.8 V
- - 2.0 A
- 1 2 mA
- 0.5 5
A
2005. 10. 21
Revision No : 0
5/10
KIA278R015FP/PI~KIA278R050FP/PI
ELECTRICAL CHARACTERISTICS (KIA278R030) (Unless otherwise specified, VIN=VO+1V, IO=1A, Ta=25 )
CHARACTERISTIC
SYMBOL
CONDITIONS
Output Voltage
VO -
Load Regulation Line Regulation Temperature Coefficient of .