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BR205 PDF даташит

Спецификация BR205 изготовлена ​​​​«Sanken» и имеет функцию, называемую «POL Converter Module».

Детали детали

Номер произв BR205
Описание POL Converter Module
Производители Sanken
логотип Sanken логотип 

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BR205 Даташит, Описание, Даташиты
BR205
POL Converter Module for 5 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: 96.4% at VIN = 5 V, VO = 3.3 V, IO = 5 A
• Operating temperature range: –40°C to 85°C
• Input voltage range: 4.5 to 7.0 VDC
• Output voltage: 0.75 to 3.63 V
• Output current range: 0 to 10 A
• Operating frequency: 600 kHz
• Overcurrent protection function
Description
The BR205 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 design-free POL converters for a 5 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.
Package: Module
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
BR205
ON/OFF VS+
PG VOUT
VIN RTRIM
GND
CIN RTRIM
VOUT
COUT
BR205-DS, Rev. 0.05E
February 6, 2013
SANKEN ELECTRIC CO., LTD.
http://www.sanken-ele.co.jp/en/
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BR205 Даташит, Описание, Даташиты
BR205
POL Converter Module for 5 V System Intermediate Bus
Selection Guide
Part Number
BR205
Output Voltage, VOUT
(V)
0.75 to 3.63
Operating Frequency, fOP
(kHz)
600
The polarity value for current specifies a sink as "+," and a source as “,” referencing the IC.
Absolute Maximum Ratings, valid at TA = 25°C
Characteristic
Symbol
ON/¯O¯¯F¯¯F¯ Pin Voltage
VONOFF
PG Pin Voltage
VPG Sink current 7 mA
Operating Temperature Range
TA
Storage Temperature Range
Tstg
Operating Humidity Range
HOP No condensation
Storage Humidity Range
Hstg No condensation
Notes
Pins
1
9
Rating
7
7
–40 to 85
–40 to 85
20 to 85
10 to 95
Unit
V
V
°C
°C
%
%
BR205-DS, Rev. 0.05E
SANKEN ELECTRIC CO., LTD.
2
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BR205 Даташит, Описание, Даташиты
BR205
POL Converter Module for 5 V System Intermediate Bus
Electrical Characteristics Unless specifically noted, TA is 25°C
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Input Voltage Range
Output Voltage
Output Current
Output Voltage Accuracy
Ripple Voltage1
Efficiency
Operating Frequency
Overcurrent Protection Threshold
Input Capacitor2
Output Capacitor2
Startup Time
Start Delay Time
VIN
VOUT
IOUT
ErrVOUT
Vrip
η
fOP
IOUT(OCP)
CIN
COUT
tr
td
Adjust with RTRIM
With temperature derating
VIN = 4.5 to 7 V, IOUT = 0 to IOUT(max), Operating
Temperature Range, RTRIM =1% accuracy
BW = 20 MHz, VOUT = 3.3 V,
IOUT = 0 to10 A, COUT = 400 μF
VIN = 5 V, IOUT = 10 A, VOUT = 1.5 V
VIN = 5 V, IOUT = 10 A, VOUT = 3.3 V
Hiccup
When input voltage is an ideal voltage source
When input voltage is an ideal voltage source
VOUT from 10% to 90% points
With the ON/¯O¯¯F¯¯F¯ pin open, measured from the
VIN pin switching high, to VOUT reaching 10% of
operating level (see figure 1)
4.5
0.75
0
–2.0
100
400
5.0
10
87.8
94.5
600
24.5
0.5
3
7.0
3.63
10
2.0
50
5000
1900
V
V
A
%VOUT
mVp-p
%
%
kHz
A
μF
μF
ms
ms
ON/¯O¯¯F¯¯F¯ Start Delay Time
With the VIN pin high, measured from the
trcd ON/¯O¯¯F¯¯F¯ pin switching open, to VOUT reaching
3
– ms
10% of operating level (see figure 2)
Interface Characteristics
Power Good
ON/¯O¯¯F¯¯F¯ Pin High Voltage
ON/¯O¯¯F¯¯F¯ Pin Low Voltage
PWGL
PWGH
VIH
VIL
Lower limit of Power Good
Upper limit of Power Good
When the ON/¯O¯¯F¯¯F¯ pin is set open, the
BR205 converter is turned on
When the ON/¯O¯¯F¯¯F¯ pin is pulled down to GND,
the BR205 converter is turned off
83.1
109.3
0.55
0.27
87.3
112.7
0.70
0.30
91.5
116.9
1.00
0.33
%VOUT
%VOUT
V
V
1See the Ripple Voltage Measuring Method section.
2Place bypass capacitors between the VIN and VOUT terminals and GND (see CIN and COUT in the Typical Application Circuit diagram). Locate the
capacitor as close as possible to the terminal.
BR205-DS, Rev. 0.05E
SANKEN ELECTRIC CO., LTD.
3
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