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參數(shù)資料
| 型號： | BD00GC0WEFJ-E2 |
| 元件分類： | 可調(diào)正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | ADJUSTABLE POSITIVE LDO REGULATOR, PDSO8 |
| 封裝： | ROHS COMPLIANT, HTSOP-8 |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 416K |
| 代理商： | BD00GC0WEFJ-E2 |
www.rohm.com
2010.10 - Rev.A
2010 ROHM Co., Ltd. All rights reserved.
Technical Note
5/11
BD00IA5WEFJ
●
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.
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
0
1
2
3
4
DC Bias Voltage [V]
4 Voltage resistance
X6S characteristics
10 Voltage resistance
F characteristics
10 Voltage Resistance
F characteristics
Ceramic capacitor capacity- DC bias characteristics
(Characteristics example)
Cap
ac
itanc
eC
han
ge
[%]
6.3 Voltage resistance
B characteristics
10 Voltage resistance
B characteristics
10 Voltage resistance
B1 characteristics
GRM188B11A105KA61D
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
①
IC only
θ
j-a=249.5℃/W
②
1-layer(copper foil are :0mm×0mm)
θ
j-a=153.2℃/W
③
2-layer(copper foil are :15mm×15mm)
θ
j-a=113.6℃/W
④
2-layer(copper foil are :70mm×70mm)
θ
j-a=59.2℃/W
⑤
4-layer(copper foil are :70mm×70mm)
θ
j-a=33.3℃/W
0.0
1.0
2.0
3.0
4.0
0
25
50
75
100
125
150
Ambient Temperature: Ta [℃]
Po
w
er
D
is
si
pa
tio
n
:P
d
[W
]
⑤
3.76W
④
2.11W
③
1.10W
②
0.82W
①
0.50W
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