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PDF ( 数据手册 , 数据表 ) BR301

零件编号 BR301
描述 1 A Non-Isolated Step Down DC/DC Converter Module
制造商 Sanken
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BR301 数据手册, 描述, 功能
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







BR301 pdf, 数据表
BR301
3.3 V, 1 A Non-Isolated Step Down DC/DC Converter Module
Package Outline Drawing
14 ±0.3
7.62 ±0.15
11
3 (3.4)
1.6
(5)
Bottom View
• All dimensions are in millimeters
• The tolerance is ±0.3mm unless otherwise specified.
• Dimensions shown in parentheses are reference dimensions.
• Pb-free. Device composition compliant with the RoHS directive
• Product Weight 1.6 g
• Product Outline 14 x 14 x 10 mm (W × D × H)
2.5
The BR301 type is indicated
by a red ink dot on the top side,
at this location
V0 VIN
SK
GND
NC
Type Indicator View
Pb-free, compliant with the RoHS Directive.
RoHS Directive Compliance:
Lead, cadmium, mercury, hexavalent chromium and PBB, PBDE meet the specified
criteria on the basis of EU Directive 2002/95/EC, except for nonrestricted materials.
BR301-DS, Rev. 1.0
SANKEN ELECTRIC CO., LTD.
8
September 11, 2012
Free Datasheet http://www.Datasheet4U.com














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