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PDF ( 数据手册 , 数据表 ) BR204

零件编号 BR204
描述 POL Converter Module
制造商 Sanken
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BR204 数据手册, 描述, 功能
BR204
POL Converter Module for 12 V System Intermediate Bus
Features and Benefits
• Industry standard footprint
• Improved soldering: gold-plated pads and side notches
• Synchronized rectifying type stepdown chopper
• High power
• High efficiency: 95.1% at VIN = 12 V, VO = 5 V, IO = 7 A
• Operating temperature range: –40°C to 85°C
• Input voltage range: 10.8 to 13.2 VDC
• Output voltage: 1.6 to 5.5 V
• Output current range: 0 to 10 A
• Operating frequency: 600 kHz
• Overcurrent protection function
Package: Module
Description
The BR204 is a thin type POL converter modules with an industry
standard exterior shape and footprint, responsive to very high
speed loads and compatible with ceramic capacitors.
It can be used as a design-free POL converter for a 12 V system
intermediate bus. It can be configured easily, reducing overall
design time, and allowing reuse of designs.
Miniaturization was achieved by high frequency switching
technology, allowing saving space on the application PCB.
Soldering capability has been significantly improved by
adoption of end face through holes.
20.3 × 11.4 × 4.2 mm
Applications:
• Communication devices
• Computer server
• Other low power conversion
Typical Application Circuit
VPG (5 V)
Power Good
VIN
ON/OFF
GND
BR204
ON/OFF VS+
PG VOUT
VIN RTRIM
GND
CIN RTRIM
VOUT
COUT
BR204-DS Rev. 0.03E
SANKEN ELECTRIC CO., LTD.
http://www.sanken-ele.co.jp/en/
Free Datasheet http://www.Datasheet4U.com







BR204 pdf, 数据表
BR204
POL Converter Module for 12 V System Intermediate Bus
Application Information
Test Measuring Circuit
The test measuring circuit used for establishing the BR204 elec-
trical characteristics is is shown in figure 7.
The decoupling capacitors, CIN and COUT , should be ceramic
capacitors, placed near the I/O terminals of the BR204.
Ripple Voltage Measuring Method
Figure 8 provides the test measurement circuit used for establish-
ing voltage ripple.
VPG (5 V)
Power
Good
BR204
ON/OFF VS+
PG VOUT
VIN
ON/OFF
GND
VIN RTRIM
GND
CIN RTRIM
CIN: Ceramic capacitor (120 μF)
COUT: Ceramic capacitor (200 μF)
Figure 7. Test circuit for electrical characteristics
VOUT
COUT
1.5D2V coaxial cable
(RG-174/U equivalent)
1.5 m length
Terminator
Keisoku Giken
TRC-50F
Equivalent circuit
Oscilloscope
VIN VOUT
BW 20 MHz
VIN
BR204
COUT
Ceramic capacitor, 100 μF
Install near the test probe
50 Ω
10 nF
Z = 1 MΩ
CIN GND
Rated
Load
Vrip
Switching
Period
Figure 8. Test circuit for ripple voltage measurement
BR204-DS, Rev. 0.03E
SANKEN ELECTRIC CO., LTD.
8
Free Datasheet http://www.Datasheet4U.com














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