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BP5311xA の電気的特性と機能

BP5311xAのメーカーはROHM Semiconductorです、この部品の機能は「DC / DC converter」です。


製品の詳細 ( Datasheet PDF )

部品番号 BP5311xA
部品説明 DC / DC converter
メーカ ROHM Semiconductor
ロゴ ROHM Semiconductor ロゴ 




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BP5311xA Datasheet, BP5311xA PDF,ピン配置, 機能
DC / DC converter for LCDs
BP5311A / BP5311XA
The BP5311A and BP5311XA are DC / DC converters for supplying power to liquid crystal display (LCD) panels.
The modules supply a positive voltage for LCDs from a logic circuit power supply (+5). They are available in a
single in-line package as an upright (BP5311A) or L-shaped lead (BP5311XA) type.
Applications
LCD panels in personal computers and word processors.
Features
1) High conversion efficiency
2) Built-in protection circuit
3) Built-in ON/OFF switch.
4) Compact and light.
5) Surface mounting is possible because parts are concentrated on one side.
6) Available as an upright or L-shaped lead type.
Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Power supply voltage
VIN
Operating temperature range
Topr
Storage temperature range
Tstg
Limits
7
0~60
30~+85
Unit
V
°C
°C
Block diagram
TRANSFORMER
CURRENT
SENSOR
SW CTRL
9 87
CONTROL
CIRCUIT
ON / OFF
43
21
1/4

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BP5311xA pdf, ピン配列
BP5311A / BP5311XA
Electrical characteristic curves
(1) Place I/O external capacitors as near as possible to the connection pins. In particular, make sure to
minimize the impedance between the input-side capacitor (C1) and pin 9. A length less than 50 mm is
recommended for a copper foil of 1.0 mm wide and 35µm thick.
(2) Avoid frequent switching using the ON/OFF CTL pin (five times per second at the maximum).
(3) R1 and R2 resistors, which are used for changing the output voltage, are usually not required.
VIN=5V
VIN=5V
25
35
20
30
100k 1M 10M
FEED BACK RESISTANCE : R1 ()
Fig.2 Output voltage vs.
feedback resistance (R1)
15
100k 1M 10M
FEED BACK RESISTANCE : R2 ()
Fig.3 Output voltage and
feedback resistance (R2)
External dimensions (Units : mm)
BP5311A
BP5311XA
26.0 Max.
Unmarked side
6.0 Max.
Marked
side
26.0 Max.
Unmarked side
6.0 Max.
Marked
side
123 4
P=2.54±0.2
0.5±0.1
1.3±1.2
1.3±0.2
2.54×8=20.32
78 9
0.25±0.05
SIP9
123 4
1.3±1.2
P=2.54±0.2
0.5±0.1
1.3±0.2
2.54×8=20.32
789
4.5±1.0
0.5Max.
5.5Max.
SIP9 (L forming)
3/4


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部品番号部品説明メーカ
BP5311xA

DC / DC converter

ROHM Semiconductor
ROHM Semiconductor


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