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PDF NR301E Data sheet ( Hoja de datos )
| Número de pieza | NR301E | |
| Descripción | Linear Regulator IC | |
| Fabricantes | SANKEN | |
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Hay una vista previa y un enlace de descarga de NR301E (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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Io=1A,Vin=27V, eSOIC8 Linear Regulator IC
NR301E
Sep/19/2013
General Descriptions
NR301E is the low saturation voltage type Io=1.0A linear
regulator IC built in the exposed SOIC8 package.
The output voltage Vo is adjustable by the external resistor.
In this IC, start-up and shut-down are possible by the
external signal input.
Over-current protection and thermal protection are built in
as a protection function.
A low-ESR capacitor like a ceramics capacitor can be used
for the output capacitor.
Package
● Package Name：Exposed SOIC 8
● Exposed pad is a radiator on back-side of package.
● Surface mount 8-pin package
Exposed SOIC 8(HSOP8)
Features & Benefits
The output voltage is adjustable by the external resistor.
Start-up and shut-down are possible when a VC terminal
is used.( External signal input)
Ceramics capacitor is possible to use as the output
capacitor .
Protection Functions
－Over current protection(OCP)
－Thermal protection with temperature hysteresis .
(TSD)
Pin Assign
Electrical Characteristics
Input voltage: Vin=2.7V to 27V（Recommeded）
Reference voltage:VFB = 1.0V ±1.5%
Output current: Io= 1.0A
Difference in input and output:VDIF = typ. 0.6V
Applications
● For local regulator circuit
● LCD-TV/STB/DVD/Blu-Ray
● Audio/PC
● USBoutput protection
Typical Application Circuit
Rev.1.0
CIN：1μF／50V, COUT：1μF／50V, R1：39kΩ+1kΩ, R2：10kΩ
SANKEN ELECTRIC CO., LTD.
http://www.sanken-ele.co.jp
1
http://www.Datasheet4U.com
1 page  
Io=1A,Vin=27V, eSOIC8 Linear Regulator IC
NR301E
Sep/19/2013
(7)On/Off Control
6
5
4
Vout
V3
2
1
0
0
Vc-Vo
Iout=0A
0.5 1 1.5 2 2.5
Vc terminal voltage V
3
(８)Thermal shut down
TSD
6
5
4
Vout
V3
2
1
0
0 20 40 60 80 100 120 140 160 180
Junction temperature ℃
Rev.1.0
SANKEN ELECTRIC CO., LTD.
http://www.sanken-ele.co.jp
5
5 Page 
Io=1A,Vin=27V, eSOIC8 Linear Regulator IC
NR301E
Sep/19/2013
OPERATING PRECAUTIONS
Reliability can be affected adversely by improper storage environments and handling methods. Please observe the
following cautions.
Heat dissipation and reliability
Thermal performance of the surface mount package IC depends on the material and area size of PCB and its copper
plane. Design thermal condition with sufficient margin
Parallel operation
The parallel operation to increase the current is not available.
Thermal shut down
The NR301E has a thermal protection circuit.
This circuit protects the IC from the heat generation by the over load.
This circuit cannot guarantee the long-term reliability against the continuously over load status.
Cautions for Storage
Ensure that storage conditions comply with the standard temperature (5 to 35°C) and the standard relative humidity
(around 40 to 75%); avoid storage locations that experience extreme changes in temperature or humidity.
Avoid locations where dust or harmful gases are present and avoid direct sunlight.
Reinspect for rust on leads and solderability of products that have been stored for a long time.
Cautions for Testing and Handling
When tests are carried out during inspection testing and other standard test periods, protect the products from power
surges from the testing products, shorts between the product pins, and wrong connections. In addition, avoid tests
exceeded ratings
Soldering
When soldering the products, please be sure to minimize the working time, within the following limits.
・Reflow Preheat ; 180°C / 90±30s
Heat ; 250°C / 10±1s (260°C peak ,2times)
・Soldering iron ; 380±10°C / 3.5±0.5s (1time)
Electrostatic Discharge
When handling the products, the operator must be grounded. Grounded wrist straps worn should have at least 1MΩ of
resistance from the operator to ground to prevent shock hazard, and it should be placed near the operator.
Workbenches where the products are handled should be grounded and be provided with conductive table and floor mats.
When using measuring equipment such as a curve tracer, the equipment should be grounded.
When soldering the products, the head of a soldering irons or the solder bath must be grounded in order to prevent leak
voltages generated by them from being applied to the products.
The products should always be stored and transported in Sanken shipping containers or conductive containers, or be
wrapped in aluminum foil.
Rev.1.0
SANKEN ELECTRIC CO., LTD.
http://www.sanken-ele.co.jp
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet NR301E.PDF ] | |
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