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BD00EA5WEFJ-E2 Datasheet(PDF) 5 Page - Rohm

Part # BD00EA5WEFJ-E2
Description  500mA Secondary Variable Output LDO Regulators for Local Power Supplies
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD00EA5WEFJ-E2 Datasheet(HTML) 5 Page - Rohm

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2010.04 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
BD00GA5WEFJ
Technical Note
5/11
Heat Dissipation Characteristics
HTSOP-J8
About Input-to-output capacitor
It is recommended that a capacitor is placed nearby pin between Input pin and GND, output pin and GND.
A capacitor, between input pin and GND, is valid when the power supply impedance is high or drawing is long. Also as for a
capacitor, between output pin and GND, the greater the capacity, more sustainable the line regulation and it makes improvement
of characteristics by load change. However, please check by mounted on a board for the actual application. Ceramic capacitor
usually has difference, thermal characteristics and series bias characteristics, and moreover capacity decreases gradually by
using conditions.
For more detail, please be sure to inquire the manufacturer, and select the best ceramic capacitor.
0
25
50
75
100
125
150
0
2.0
3.0
4.0
0.50W
周囲温度
:Ta [℃]
1.0
0.50W
0.82W
1.10W
2.11W
3.76W
Measure condition: mounted on a ROHM board, and IC
Substrate size: 70mm × 70mm × 1.6mm
(Substrate with thermal via)
Solder the substrate and package reverse exposure heat
radiation part
IC only
θ
j-a=249.5℃/W
1-layer(copper foil are :0mm×0mm)
θ
j-a=153.2℃/W
2-layer(copper foil are :15mm×15mm)
θ
j-a=113.6℃/W
2-layer(copper foil are :70mm×70mm)
θ
j-a=59.2℃/W
4-layer(copper foil are :70mm×70mm)
θ
j-a=33.3℃/W
Ambient Temperature :Ta [℃]
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
0
1
2
3
4
DC Bias Voltage [V]
10 Voltage resistance
B1 characteristics
GRM188B11A105KA61D
10 Voltage resistance
B characteristics
6.3 Voltage resistance
B characteristics
4 Voltage resistance
X6S characteristics
10 Voltage resistance
F characteristics
10 Voltage Resistance
F characteristics
Ceramic capacitor capacity- DC bias characteristics
(Characteristics example)


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