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PDF BR301 Data sheet ( Hoja de datos )
| Número de pieza | BR301 | |
| Descripción | 1 A Non-Isolated Step Down DC/DC Converter Module | |
| Fabricantes | Sanken | |
| Logotipo |  |
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BR301
3.3 V, 1 A Non-Isolated Step Down DC/DC Converter Module
Features and Benefits
▪ Input voltage range 8 to 30 VDC
▪ Circuit topology: step-down chopper
▪ Switching frequency: 350 kHz
▪ Output: 3.3 V, 1 A, 3.3 W
▪ Module footprint: 14 × 14 × 10 mm (W × D × H)
▪ Weight: 1.6 g
▪ All in one
▪ Design-free
▪ High efficiency: 87% (typ) at VIN = 8 V, IO = 0.6 A
▪ Miniaturizes space required, by using high-frequency
switching technology
▪ Protection functions:
▫ Overcurrent Protection function (OCP), with auto restart
▫ Thermal Shutdown Protection function (TSD), with
auto restart
Package: Module
Description
The BR301 is non-isolated step down type DC/DC
converter module. The single module includes: a control IC,
inductor, ceramic capacitor, and standoff pins. This provides a
complete DC / DC converter solution, requiring few external
components. It can be configured easily, reducing overall
design time, allowing reuse of designs, and saving space on
the application PCB.
Applications:
• Factory Automation
• Communication devices
• Consumer electronics
• Other low power conversion
14 × 14 mm (11 mm height mounted)
VIN
8 to 30 V
BR301-DS, Rev. 1.0
Typical Application Circuit
4 VIN
VO 1
BR301
CIN
220 μF
GND
2
NC
3
Load
CO
Electrolytic 470 μF
or Ceramic 30 μF
SANKEN ELECTRIC CO., LTD.
http://www.sanken-ele.co.jp/en/
September 11, 2012
Free Datasheet http://www.Datasheet4U.com
1 page  
BR301
3.3 V, 1 A Non-Isolated Step Down DC/DC Converter Module
Performance Characteristics
Temperature Rise At VIN= 30 V, VO = 3.3 V, IO = 1 A
Measurement Points
Temperature
(°C)
Inductor
Top 68.5
Diode
Top 71.5
Ceramic capacitor
Top
58.7
IC
Bottom
74.8
Input ceramic capacitor
Bottom
64.2
Output ceramic capacitor
Bottom
62.2
Ambient temperature
―
27.3
Temperature
Rise (°C)
41.2
44.2
31.4
47.5
36.9
34.9
―
Regulation
Efficiency
Output
Derating Curve (Natural Cooling)
BR301-DS, Rev. 1.0
SANKEN ELECTRIC CO., LTD.
5
September 11, 2012
Free Datasheet http://www.Datasheet4U.com
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet BR301.PDF ] | |
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