Datasheet Texas Instruments LM3445MMX/NOPB — 数据表

双向可控硅调光离线LED驱动器10-VSSOP -40至125

数据表

PDF, 1.2 Mb, 修订版: M, 档案已发布: Nov 30, 2015

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Lifecycle Status	Active (Recommended for new designs)
Manufacture's Sample Availability	No

Dimming Method	Forward Phase (Triac),PWM,Reverse Phase
Input Voltage	AC/DC Type
Iout(Max)	2 A
Iq(Typ)	2 mA
Operating Temperature Range	-40 to 125 C
Package Group	VSSOP
Package Size: mm2:W x L	10VSSOP: 15 mm2: 4.9 x 3(VSSOP) PKG
Power Factor Correction	Active,Passive Min
Rating	Catalog
Regulated Outputs	1
Special Features	Adjustable Switch Frequency,Enable/Shutdown,Thermal Shutdown
Switching Frequency(Max)	1000 kHz
Switching Frequency(Min)	30 kHz
Topology	Buck,Flyback
Type	Inductive
Vin(Max)	12 V
Vin(Min)	8 V
Vout(Max)	60 V
Vout(Min)	9 V
Vref	0.75 V

RoHS

Compliant

Evaluation Modules & Boards: LM3445-230VFLBK
230VFLBK-LM3445 evaluation board optimized for 230V input isolated applications
Lifecycle Status: Active (Recommended for new designs)
- 下载
Evaluation Modules & Boards: LM3445-EDSNEV
EDSNEV- 10W, non-isolated LM3445 evaluation board optimized for small solution size
Lifecycle Status: Active (Recommended for new designs)
- 下载
Evaluation Modules & Boards: LM3445-120VFLBK
120VFLBK-LM3445 evaluation board optimized for 120V input isolated applications
Lifecycle Status: Active (Recommended for new designs)
- 下载
Evaluation Modules & Boards: LM3445EVM-695
LM3445 120Vac Valley Fill Buck Triac Dimmable LED Driver Evaluation Module
Lifecycle Status: Active (Recommended for new designs)
- 下载

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An Improved Line Regulation Solution Used in LM3444/5 Non-Isolated LED Lighting
PDF, 1.0 Mb, 档案已发布: Oct 25, 2012
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AN-2034 LM3445 -120VAC, 8W Isolated Flyback LED Driver (Rev. C)
PDF, 24.5 Mb, 修订版: C, 档案已发布: May 1, 2013
This demonstration board highlights the performance of a LM3445 based Flyback LED driver solution that can be used to power a single LED string consisting of 4 to 8 series connected LEDs from an 90 VRMS to 135 VRMS, 60 Hz input power supply. The key performance characteristics under typical operating conditions are summarized in this application report.
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AN-1656 Design Challenges of Switching LED Drivers (Rev. A)
PDF, 171 Kb, 修订版: A, 档案已发布: May 3, 2013
Using a switching regulator as an LED driver requires the designer to convert a voltage regulator into acurrent regulator. Beyond the challenge of changing the feedback system to control current, the LEDsthemselves present a load characteristic that is much different than the digital devices and other loads thatrequire constant voltage. The LED WEBENCHВ® online design environment predicts and
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AN-2069 LM3445 - 230VAC, 6W- 15W Isolated Flyback LED Driver (Rev. B)
PDF, 2.8 Mb, 修订版: B, 档案已发布: Nov 23, 2010
Application Note 2069 LM3445 - 230VAC, 6W- 15W Isolated Flyback LED Driver

系列: LM3445 (4)

Semiconductors > Power Management > LED Driver > Illumination & General Lighting LED Driver