KA278RA05C

2A Adjustable/Fixed 5V Low Dropout Voltage Regulator (LDO)

The KA278RXXC is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with TO-220-4 lead full mold package. The dropout voltage of KA278RXXC is below 0.5V in full rated current (2A). This regulator has various functions such as a peak current protection, a thermal shut down, an overvoltage protection.

Features

  • KA278RXXC-series (33/05/51/09/12)
  • 2A/3.3V, 5V, 5.1V, 9V, 12V output low dropout voltage regulator
  • TO-220 full-mold package (4pin)
  • Overcurrent protection, thermal shutdown
  • Overvoltage protection, short circuit protection
  • With output disable function KA278RA05C
  • Nominal 5V output without adjusting
  • Output adjustable between 1.25V and 32V
  • 2A output low dropout voltage regulator
  • TO-220 full-mold package (4pin)
  • Overcurrent protection, thermal shutdown
  • Overvoltage protection, short circuit protection
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Product Product &
Eco Status
Unit Price/
1K Order
Packing Method Convention Package Marking
Convention*
Qualification
Support
Compliance
Certificates
KA278RA05CTU Full Production
ROHS Compliant as of 27-Feb-2006
 China RoHS
$0.437

TO-220F 4L  -  Details
4.5 x 10 x 13.6mm,  RAIL

PDF TO-220F 4L  Drawing
Last Update: Jan 2015 PDF TO220-4L, FULLPACK, STRAIGHT LEADS, PACKING DRAWING
Last Update: May 2013
Line 1$Y (Fairchild logo)

Line 2278RA05

Line 3C&Z (Plant Code)
&E (Space)
&E (Space)
&3 (3-Digit Date Code)
&K

FIT [Calculate] 8.67 @55°C
MTBF 1.15E8

RƟJA 48.51°C/W

RƟJC 2.9°C/W

PDF RoHS IPC1752
XML RoHS IPC1752
PDF RoHS/REACH/JIG
PDF China RoHS

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This product is general usage and suitable for many different applications.

Distributor Inventory

Product Distributor Quantity Cart RFQ Inventory Date

Fairchild Product Availability (Projected Cumulative Factory Inventory)

Product Product Availability Date Total Projected Inventory
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Product
Ea
(0.3 - 1.4)
Confidence
(0.6-0.9)
T use (°C)
T Stress (°C)
Kt (eV/K)
Device Hours
@ T Stress
(devices*hours)
Rejects
(devices)
Chi
Square
Acceleration
Factor
FIT @ T use
MTBF @ T
use (hours)
KA278RA05CTU 0.7 0.6 55 150 8.62E-05 407730.77 0 1.83 259.24 8.67
Run new FIT calculation
1.15E8