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KA278R09YDTU

Description
Low Dropout Voltage Regulator
CategoryPower/power management    The power supply circuit   
File Size79KB,8 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
Environmental Compliance
Download Datasheet Parametric Compare View All

KA278R09YDTU Overview

Low Dropout Voltage Regulator

KA278R09YDTU Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerFairchild
Parts packaging codeTO-220F
package instructionTO-220F, 4 PIN
Contacts3
Reach Compliance Codeunknow
ECCN codeEAR99
AdjustabilityFIXED
Maximum drop-back voltage 10.5 V
Maximum absolute input voltage35 V
Maximum input voltage25 V
Minimum input voltage10 V
JESD-30 codeR-PZFM-T4
JESD-609 codee3
Maximum grid adjustment rate0.225%
Maximum load regulation0.18%
Number of functions1
Output times1
Number of terminals4
Working temperatureTJ-Max150 °C
Maximum operating temperature80 °C
Minimum operating temperature-20 °C
Maximum output current 12 A
Maximum output voltage 19.22 V
Minimum output voltage 18.78 V
Nominal output voltage 19 V
Package body materialPLASTIC/EPOXY
encapsulated codeZIP
Encapsulate equivalent codeZIP4,.16,.06,100TB
Package shapeRECTANGULAR
Package formFLANGE MOUNT
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
surface mountNO
technologyBIPOLAR
Terminal surfaceMatte Tin (Sn)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationZIG-ZAG
Maximum voltage tolerance2.4%
www.fairchildsemi.com
KA278R09
Low Dropout Voltage Regulator
Features
2A / 9V Output low dropout voltage regulator
TO220 Full-Mold package (4PIN)
Overcurrent protection, Thermal shutdown
Overvoltage protection, Short-Circuit protection
With output disable function
Description
The KA278R09 is a low-dropout voltage regulator suitable
for various electronic equipments. It provide constant
voltage power source with TO-220F-4 lead full mold
package. Dropout voltage of KA278R09 is below 0.5V in
full rated current(2A). This regulator has various function
such as peak current protection, thermal shut down,
overvoltage protection and output disable function.
TO-220F-4L
1
1. Vin 2. Vo 3. GND 4. Vdis
Internal Block Diagram
Q1
Vin
1
2
Vo
THERMAL SHUTDOWN
OVERVOLTAGE
PROTECTION
BANDGAP REFERENCE
-
+
R1
SOA PROTECTION
HIGH / LOW
Vdis
4
-
+
OUTPUT
ON / OFF
1.4V
SHORT-CIRCUIT
SHORTCIRCUIT
PROTECTION
R2
3
GND
Rev. 1.0.2
©2001 Fairchild Semiconductor Corporation

KA278R09YDTU Related Products

KA278R09YDTU KA278R09 KA278R09TU
Description Low Dropout Voltage Regulator Low Dropout Voltage Regulator Low Dropout Voltage Regulator
Is it Rohs certified? conform to incompatible conform to
Parts packaging code TO-220F TO-220F TO-220F
package instruction TO-220F, 4 PIN , SIP4,.06TB TO-220F, 4 PIN
Contacts 3 3 3
Reach Compliance Code unknow unknow unknow
ECCN code EAR99 EAR99 EAR99
Adjustability FIXED FIXED FIXED
Maximum drop-back voltage 1 0.5 V 0.5 V 0.5 V
Maximum absolute input voltage 35 V 35 V 35 V
Maximum input voltage 25 V 25 V 25 V
Minimum input voltage 10 V 10 V 10 V
JESD-30 code R-PZFM-T4 R-PSFM-T4 R-PSFM-T4
JESD-609 code e3 e0 e3
Maximum grid adjustment rate 0.225% 0.225% 0.225%
Maximum load regulation 0.18% 0.18% 0.18%
Number of functions 1 1 1
Output times 1 1 1
Number of terminals 4 4 4
Working temperatureTJ-Max 150 °C 150 °C 150 °C
Maximum operating temperature 80 °C 80 °C 80 °C
Minimum operating temperature -20 °C -20 °C -20 °C
Maximum output current 1 2 A 2 A 2 A
Maximum output voltage 1 9.22 V 9.22 V 9.22 V
Minimum output voltage 1 8.78 V 8.78 V 8.78 V
Nominal output voltage 1 9 V 9 V 9 V
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
Encapsulate equivalent code ZIP4,.16,.06,100TB SIP4,.06TB SIP4,.06TB
Package shape RECTANGULAR RECTANGULAR RECTANGULAR
Package form FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT
Certification status Not Qualified Not Qualified Not Qualified
Regulator type FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
surface mount NO NO NO
technology BIPOLAR BIPOLAR BIPOLAR
Terminal surface Matte Tin (Sn) Tin/Lead (Sn/Pb) Matte Tin (Sn)
Terminal form THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE
Terminal pitch 2.54 mm 2.54 mm 2.54 mm
Terminal location ZIG-ZAG SINGLE SINGLE
Maximum voltage tolerance 2.4% 2.4% 2.4%
Base Number Matches - 1 1
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