KA78M08TU [FAIRCHILD]
Fixed Positive Standard Regulator, 8VBIPolar, PSFM3, TO-220, 3 PIN;
| 型号： | KA78M08TU |
| 厂家： | 
FAIRCHILD SEMICONDUCTOR |
| 描述： | Fixed Positive Standard Regulator, 8VBIPolar, PSFM3, TO-220, 3 PIN 局域网 输出元件 调节器 |
| 文件： | 总9页 (文件大小：295K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
August 2013
KA78M05 / LM78M05 / MC78M05
3-Terminal 0.5 A Positive Voltage Regulator
Description
Features
The KA78M05 / LM78M05 / MC78M05 series of three-
terminal positive regulators is available in the TO-220 / D-
PAK packages, making it useful in a wide range of appli-
cations.
• Output Current up to 0.5 A
• Output Voltages of 5 V
• Thermal Overload Protection
• Short-Circuit Protection
• Output Transistor Safe Operating Area (SOA) Protection
TO-220
GND
1
D-PAK
GND
1
1. Input 2. GND 3. Output
Ordering Information(1)
Product Number
KA78M05TU
Package
Packing Method
Operating Temperature
TO-220 (Dual Gauge)
Rail
KA78M05RTM
MC78M05CDTX
LM78M05CT
D-PAK
Tape and Reel
Rail
0 to +125°C
TO-220 (Single Gauge)
Note:
1. Refer to below figure for TM / TF suffix of DPAK packing option.
© 2001 Fairchild Semiconductor Corporation
www.fairchildsemi.com
KA78M05 / LM78M05 / MC78M05 Rev. 1.1.0
1
Block Diagram
INPUT
1
OUTPUT
3
SERIES
PASS
ELEMENT
SOA
PROTECTION
CURRENT
GENERATOR
R1
REFERENCE
VOLTAGE
STARTING
CIRCUIT
ERROR
AMPLIFIER
R2
THERMAL
PROTECTION
GND
2
Figure 1. Block Diagram
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be opera-
ble above the recommended operating conditions and stressing the parts to these levels is not recommended. In addi-
tion, extended exposure to stresses above the recommended operating conditions may affect device reliability. The
absolute maximum ratings are stress ratings only.
Symbol
VI
Parameter
Input Voltage (for VO = 5 V)
Value
35
Unit
V
RθJC
Thermal Resistance, Junction-Case(2)
TO-220 (TC = +25°C)
TO-220 (TA = +25°C)
D-PAK (TA = +25°C)
2.5
°C/W
66
RθJA
Thermal Resistance, Junction-Air(2, 3)
°C/W
92
TOPR
TJ(MAX)
TSTG
Operating Junction Temperature Range
Maximum Junction Temperature Range
Storage Temperature Range
0 to +125
150
°C
°C
°C
-65 to +150
Notes:
2. Thermal resistance test board.
Size: 76.2 mm x 114.3 mm x 1.6 mm (1S0P)
JEDEC standard: JESD51-3, JESD51-7
3. Assume no ambient airflow.
© 2001 Fairchild Semiconductor Corporation
KA78M05 / LM78M05 / MC78M05 Rev. 1.1.0
www.fairchildsemi.com
2
Electrical Characteristics
Refer to the test circuits, 0 < TJ < +125°C, IO = 350 mA, VI = 10 V, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified.
Symbol
Parameter
Output Voltage
Conditions
TJ = +25°C
Min.
Typ. Max.
Unit
4.8
5.0
5.2
VO
V
IO = 5 mA to 350 mA,
VI = 7 V to 20 V
4.75
5.00
5.25
VI = 7 V to 25 V
VI = 8 V to 25 V
100
50
IO = 200 mA
TJ = +25°C
ΔVO
Line Regulation(4)
mV
IO = 5 mA to 0.5 A, TJ = +25°C
O = 5 mA to 200 mA, TJ = +25 °C
TJ = +25°C
O = 5 mA to 350 mA
100
50
ΔVO
Load Regulation(4)
Quiescent Current
mV
mA
I
IQ
4.0
6.0
0.5
I
ΔIQ
Quiescent Current Change
mA
IO = 200 mA,
VI = 8 V to 25 V
0.8
IO = 5 mA
TJ = 0 to +125°C
ΔV/ΔT
VN
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
-0.5
40
mV/°C
μV/Vo
dB
f = 10 Hz to 100 kHz
f = 120 Hz, IO = 300 mA
VI = 8 V to 18 V, TJ = +25 °C
RR
80
VD
ISC
IPK
Dropout Voltage
Short-Circuit Current
Peak Current
TJ = +25°C, IO = 500 mA
TJ = +25°C, VI = 35 V
TJ = +25°C
2
V
300
700
mA
mA
Note:
4. Load and line regulation are specified at constant junction temperature. Change in Vo due to heating effects must be
taken into account separately. Pulse testing with low duty is used.
© 2001 Fairchild Semiconductor Corporation
KA78M05 / LM78M05 / MC78M05 Rev. 1.1.0
www.fairchildsemi.com
3
Typical Applications
KA78M05
LM78M05
MC78M05
3
1
VI
VO
2
CO
CI
0.1 μF
0.3 μF
Figure 2. Fixed-Output Regulator
KA78M05
LM78M05
MC78M05
3
1
VI
2
CO
CI
VXX
0.33 μF
0.1 μF
IO
IO
R1
Vxx
IO
=
+IO
R1
Figure 3. Constant-Current Regulator
Notes:
5. CI is required if the regulator is located an appreciable distance from the power supply filter.
6. Although no output capacitor is needed for stability, it does improve transient response.
© 2001 Fairchild Semiconductor Corporation
www.fairchildsemi.com
KA78M05 / LM78M05 / MC78M05 Rev. 1.1.0
4
KA78M05
LM78M05
MC78M05
3
1
VI
VO
VXX
2
CO
CI
R1
0.33 μF
0.1 μF
IO
R2
IR1 ≥ 5IO
VO = VXX (1+R2/R1) +IOR2
Figure 4. Circuit for Increasing Output Voltage
KA78M05
1
3
VI
LM78M05
MC78M05
2
VO
0.1 μF
CO
CI
0.33 μF
2
3
7
6
LM741
10 kΩ
4
Figure 5. Adjustable Output Regulator (7 to 30 V)
13 V < VI < 25 V
VI
KA78M05
3
1
VO
LM78M05
MC78M05
R4
910 Ω
2
C1
VXX
0.33 μF
R5
9.1 kΩ
C2
0.1μF
_
7
2
3
LM741
+
R4
XX R1
R3
R1
6
VO = V
10 kΩ
4
-7 V < -VI < 17 V
Figure 6. 0.5 to 10 V Regulator
© 2001 Fairchild Semiconductor Corporation
KA78M05 / LM78M05 / MC78M05 Rev. 1.1.0
www.fairchildsemi.com
5
Physical Dimensions
TO-220 (SINGLE GAUGE)
Figure 7. TO-220, MOLDED, 3-LEAD, JEDEC VARIATION AB (ACTIVE)
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner
without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or
obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the
warranty therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/dwg/TO/TO220B03.pdf.
For current tape and reel specifications, visit Fairchild Semiconductor’s online packaging area:
http://www.fairchildsemi.com/packing_dwg/PKG-TO220B03_TC.pdf.
© 2001 Fairchild Semiconductor Corporation
KA78M05 / LM78M05 / MC78M05 Rev. 1.1.0
www.fairchildsemi.com
6
Physical Dimensions (Continued)
TO-220 (DUAL GAUGE)
Figure 8. TO220, MOLDED, 3-LEAD, NON-JEDEC VARIATION AB [DUAL GUAGE]
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner
without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or
obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the
warranty therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/dwg/TO/TO220Y03.pdf.
For current tape and reel specifications, visit Fairchild Semiconductor’s online packaging area:
http://www.fairchildsemi.com/packing_dwg/PKG-TO220Y03.pdf.
© 2001 Fairchild Semiconductor Corporation
KA78M05 / LM78M05 / MC78M05 Rev. 1.1.0
www.fairchildsemi.com
7
Physical Dimensions (Continued)
D-PAK
Figure 9. 3-LEAD, TO-252, JEDEC TO-252 VAR. AB, SURFACE MOUNT (DPAK)
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner
without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or
obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the
warranty therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/dwg/TO/TO252D03.pdf.
For current tape and reel specifications, visit Fairchild Semiconductor’s online packaging area:
http://www.fairchildsemi.com/packing_dwg/PKG-TO252D03.pdf.
© 2001 Fairchild Semiconductor Corporation
KA78M05 / LM78M05 / MC78M05 Rev. 1.1.0
www.fairchildsemi.com
8
TRADEMARKS
The following includes registered and unregistered trademarks and service marks, owned by Fairchild Semiconductor and/or its global subsidiaries, and is not
intended to be an exhaustive list of all such trademarks.
Sync-Lock™
2CoolA
FPSA
®
AccuPowerA
F-PFSA
®*
AX-CAP®*
BitSiCA
Build it NowA
CorePLUSA
CorePOWERA
CROSSVOLTA
CTLA
FRFET®
PowerTrench®
PowerXS™
Programmable Active DroopA
QFET®
Global Power ResourceSM
GreenBridgeA
Green FPSA
Green FPSA e-SeriesA
GmaxA
TinyBoost®
TinyBuck®
TinyCalcA
TinyLogic®
TINYOPTOA
TinyPowerA
TinyPWMA
TinyWireA
TranSiCA
QSA
Quiet SeriesA
RapidConfigureA
A
GTOA
IntelliMAXA
Current Transfer LogicA
DEUXPEED®
Dual Cool™
EcoSPARK®
EfficientMaxA
ISOPLANARA
Making Small Speakers Sound Louder
and Better™
Saving our world, 1mW/W/kW at a time™
SignalWiseA
SmartMaxA
TriFault DetectA
TRUECURRENT®*
ꢀSerDesA
MegaBuckA
SMART STARTA
Solutions for Your SuccessA
SPM®
ESBCA
MICROCOUPLERA
MicroFETA
®
MicroPakA
Fairchild®
UHC®
Ultra FRFETA
UniFETA
VCXA
VisualMaxA
VoltagePlusA
XS™
STEALTHA
MicroPak2A
Fairchild Semiconductor®
FACT Quiet SeriesA
FACT®
SuperFET®
MillerDriveA
SuperSOTA-3
MotionMaxA
mWSaver®
SuperSOTA-6
FAST®
SuperSOTA-8
OptoHiTA
SupreMOS®
FastvCoreA
OPTOLOGIC®
OPTOPLANAR®
FETBenchA
SyncFETA
* Trademarks of System General Corporation, used under license by Fairchild Semiconductor.
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE
RELIABILITY, FUNCTION, OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT
OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. THESE
SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD’S WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY THEREIN,
WHICH COVERS THESE PRODUCTS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE
EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems which, (a) are
intended for surgical implant into the body or (b) support or sustain
life, and (c) whose failure to perform when properly used in
accordance with instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the user.
2. A critical component in any component of a life support, device, or
system whose failure to perform can be reasonably expected to
cause the failure of the life support device or system, or to affect its
safety or effectiveness.
ANTI-COUNTERFEITING POLICY
Fairchild Semiconductor Corporation's Anti-Counterfeiting Policy. Fairchild's Anti-Counterfeiting Policy is also stated on our external website, www.fairchildsemi.com,
under Sales Support.
Counterfeiting of semiconductor parts is a growing problem in the industry. All manufacturers of semiconductor products are experiencing counterfeiting of their
parts. Customers who inadvertently purchase counterfeit parts experience many problems such as loss of brand reputation, substandard performance, failed
applications, and increased cost of production and manufacturing delays. Fairchild is taking strong measures to protect ourselves and our customers from the
proliferation of counterfeit parts. Fairchild strongly encourages customers to purchase Fairchild parts either directly from Fairchild or from Authorized Fairchild
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are genuine parts, have full traceability, meet Fairchild's quality standards for handling and storage and provide access to Fairchild's full range of up-to-date technical
and product information. Fairchild and our Authorized Distributors will stand behind all warranties and will appropriately address any warranty issues that may arise.
Fairchild will not provide any warranty coverage or other assistance for parts bought from Unauthorized Sources. Fairchild is committed to combat this global
problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized distributors.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Product Status
Definition
Datasheet contains the design specifications for product development. Specifications may change
in any manner without notice.
Advance Information
Formative / In Design
Datasheet contains preliminary data; supplementary data will be published at a later date. Fairchild
Semiconductor reserves the right to make changes at any time without notice to improve design.
Datasheet contains final specifications. Fairchild Semiconductor reserves the right to make
changes at any time without notice to improve the design.
Datasheet contains specifications on a product that is discontinued by Fairchild Semiconductor.
The datasheet is for reference information only.
Preliminary
No Identification Needed
Obsolete
First Production
Full Production
Not In Production
Rev. I65
© Fairchild Semiconductor Corporation
www.fairchildsemi.com
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