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دیتاشیت - IML - Three Terminal Current Controller

شماره قطعه iML8683
شرح مفصل Three Terminal Current Controller
تولید کننده IML 
آرم IML 


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iML8683 شرح
iML8683
Three Terminal Current Controller
General Description
The iML8683 is a Three Terminal Current
Controller (TTCC) for regulating the current flowing
through an LED string.
The application of the iML8683 is configured in
parallel with an LED string. The iML8683 can work
as voltage controlled current source, current
regulator, or cut-off. It is suitable for the applications
adopting periodical AC voltage source.
The PCB layout is also very flexible to meet
various shape requirements. It is especially suitable
for replacing incandescent light bulb and linear type
fluorescent lamp.
Features
System
- All solid state components.
- No electrolytic capacitor required.
- Compact size to minimize mechanical cost.
- Driver-on-board and chip-on-board available which
minimize process flow and assembly cost.
- High PF and Low THD performance.
- High efficiency achieved.
- Flexible PCB layout style.
- Wide range of LED forward voltage selection.
- Distributed heat to several chips.
- TRIAC dimmable.
Chip
- 88V input sustaining voltage.
- <3V dropout voltage for up to 150mA regulating current
Typical Application Circuit
VAC
BD
U1
iML8683
Applications
AC LED lighting engine.
LED light bulb.
LED1 LED light tube.
LED down-light and ceiling light
LED flat panel light
LED2
Pin Diagram (Top View)
Rz
U2
iML8683
LED3
Q1
iML3160
ZD U3
iML8683
CS 1
NC 2
A3
6 MS1
5 MS2
4K
DFN- 2mmx2mm-6L
CS MS1
54
Rectified
VAC
ILED
123
A K MS2
SOT-89- 5L
t
© 2014 Exar Corporation
t
8683DOC rev 1.2 1

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دیتاشیت توصیه

شماره قطعه شرح مفصل تولید کنندگان
iML8681 Application Notes IML
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iML8683 Three Terminal Current Controller IML
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