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參數(shù)資料
| 型號： | TK654XX |
| 廠商： | TOKO Inc. |
| 英文描述： | STEP-DOWN CONVERTER WITH BATTERY MONITOR |
| 中文描述： | 降壓轉(zhuǎn)換器與電池監(jiān)視器 |
| 文件頁數(shù)： | 17/28頁 |
| 文件大小： | 762K |
| 代理商： | TK654XX |
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September 1999 TOKO, Inc.
Page 17
TK654xx
ADVANCED INFORMATION
There are several issues to consider when choosing the proper coil for the TK654xx Step-Down Converter.
An important consideration is the coil manufacturer. Toko Inc. has been in the coil business for many years and has been
a leader in this market with high quality of product, low cost, and high volume delivery distribution.
The test circuit in this data sheet uses the D10F type series for its low resistance (0.27
for 100
μ
H). This coil should
be considered when the user is interested in high efficiency.
TYPE D10F
For Reflow Soldering
Frequency Range:
1 kHz ~ 1 MHz
Inductance Range:
10 ~ 1500
μ
H
A major issue today is space as well as height. Toko makes a low profile surface mount coil series which may accomodate
this requirement. The D52 series dimensions are shown below. The 100
μ
H coil has a maximum rated DC resistance
of 1.6
.
COIL CONSIDERATIONS
Unit:mm
TYPE D52FU
Frequency Range:
1 kHz ~ 2 MHz
Inductance Range:
100
μ
H ~ 6800
μ
H
FEATURES
Low profile (2.0 mm typ. height) and 5 mm square
Magnetically shielded version, unshielded also available
Available on tape and reel for auto insertion
Suitable for reflow soldering
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