SA278R18DTR Datasheet PDF - Silan Microelectronics
| Part Number | SA278R18DTR | |
| Description | 2A LDO VOLTAGE REGULATOR | |
| Manufacturers | Silan Microelectronics | |
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SA278RXX
2A LDO VOLTAGE REGULATOR
DESCRIPTION
The SA278RXX is a positive low voltage dropout regulator, and
voltage dropout is below 0.5V at 2A.
The SA278RXX provides two versions: fixed and adjustable
versions. The SA278RXX is available in fixed output voltages 2.5V,
3.3V, 5V, 5.1V, 8V，9V, 12V, 15V and 18V. The SA278RXX offers
some key features include thermal shutdown, peak current
protection, overvoltage protection and output disable function. The
SA278RXX is an excellent choice for use in various electronic
equipments.
FEATURES
* Available fixed version 2.5V, 3.3V, 5V, 5.1V, 8V, 9V, 12V,15V, 18V
and adjustable version
APPLICATIONS
* Low Dropout Voltage: 300mV at 2A output current
* Current limiting: 4A
* Overvoltage protection: 40V
* Built-in output disable function
* High Efficiency Linear Regulators
* Post Regulators for Switching Supplies
* Battery Charger
* Microprocessor Supply
* TO-220 full-mold package (4pin) and TO-252-5L package(5pin)
* Overcurrent protection, thermal shutdown
* Overvoltage protection, short circuit protection
* Desktop PCs, RISC and Embedded
Processors Supply
ORDERING INFORMATION (Tamb=-20~+80°C)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.0
2008.11.07
Page 1 of 16
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SA278RXX
ELECTRICAL CHARACTERISTICS (VIN=Note1, Io=1.0A, Ta =25°C, unless otherwise specified. )
Characteristics
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Current
Ripple Rejection
Disable Voltage High
Disable Voltage Low
Disable Bias Current High
Disable Bias Current Low
Reference Voltage
Symbol
VOUT
Rline
RLOAD
VDROP
IQ
PSRR
VdisH
VdisL
IdisH
IdisL
Vref
Conditions
SA278R25
SA278R33
SA278R05
SA278R51
SA278R08
SA278R09
SA278R12
SA278R15
SA278R18
SA278R25 : Vin=4V to 10V
SA278R33 : Vin=4V to 10V
SA278R05 : Vin=6V to 12V
SA278R51 : Vin=6V to 12V
SA278R08 : VIN =9V to 25V
SA278R09 : Vin=10V to 25V
SA278R12 : Vin=13V to 29V
SA278R15 : VIN =16V to 30V
SA278R18 : Vin=19V to 30V
5mA < Io < 2A
IOUT=2A,
IO=0A; VDIS=0.4V
Output active
Output disabled
VDIS =2.7V
VDIS=0.4V
SA278R00
Min.
2.44
3.22
4.88
4.98
7.8
8.78
11.7
14.6
17.55
Typ.
2.5
3.3
5
5.1
8
9
12
15
18
Max.
2.56
3.38
5.12
5.22
8.2
9.22
12.3
15.4
18.45
Unit
V
0.5 2.5 %
0.1 2.0 %
0.3 0.5 V
3 10 mA
45 55
dB
2.0 V
0.8 V
20 μA
-0.4 mA
1.24 1.27 1.30 V
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http://www.silan.com.cn
REV:1.0
2008.11.07
Page 5 of 16
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for SA278R18DTR electronic component. |
| Information | Total 16 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ SA278R18DTR.PDF Datasheet ] | |
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