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參數資料
| 型號： | MM1365 |
| 廠商： | MITSUMI ELECTRIC CO LTD |
| 元件分類： | 穩壓器 |
| 英文描述： | Step-Up IC For EL Backlights |
| 中文描述： | FLUORESCENT LIGHT CONTROLLER, 20 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | VSOP-8 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 96K |
| 代理商： | MM1365 |
MITSUMI
Step-Up IC For EL Backlights MM1365
Step-Up IC For EL Backlights
Monolithic IC MM1365
Outline
This is a step-up IC developed for use in EL backlights.
Because of their ability to light the entire panel uniformly, EL backlights are gradually becoming more
widespread compared with LEDs.
In particular, recently there has been a strong tendency toward smaller sizes and lighter weights, and more
manufacturers are adopting ICs in place of transformers to step up voltages.
This IC was designed to meet these market needs.
Features
1. Low-voltage driving possible
2. Brightness can be adjusted
V
IN
=0.95V min.
The brightness can be adjusted by changing the oscillation
frequency through the externally mounted capacitance
Coil inductance of about 820μH required
Current consumption while off=10μA or less
3. Can be driven using a small coil
4. On/off control possible
Package
VSOP-8
Pin Assignment
1
4
3
2
8
5
6
7
VSOP-8
1
GND
N.C
CT1
CT2
GND
2
3
For setting discharge frequency
For setting charging frequency
4
5
Power supply
switch
V
CC
H to turn on, L to turn off
6
Power supply pin
Charging frequency setting; drives
external transistor
Discharge frequency setting; drives
external transistor
7
O2
8
O1
Applications
1. Pagers
2. Portable phones, PHS
3. Wristwatches
4. Display components of remote-controlled minidiscs, CD players, headphone stereos, other equipment
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