Part Details for LM340 by HG Semiconductor Limited
Overview of LM340 by HG Semiconductor Limited
- Distributor Offerings: (1 listing)
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- Reference Designs: (Available)
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Price & Stock for LM340
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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Karl Kruse GmbH & Co KG | 10000 |
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RFQ |
Part Details for LM340
LM340 CAD Models
Resources and Additional Insights for LM340
Reference Designs related to LM340
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PMP4011_2V5 3.3V 输入、2.5V/0.5A 输出、1.5MHz 同步降压
此参考设计使用 TPS62510 1.5MHz 同步降压转换器从 3.3V 电源产生 2.5V/0.5A 输出电流。这种紧凑型设计的效率可达 95%，且输出波纹电压低于 10mVpp。
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Non sync buck controller with 24V input and 18V @ 4.2A output
PMP7755 is a non-synchronous buck controller for LM3409 with 24V DC input and 18V output@ 4.2A. The load is 9 strings with 6 LEDs per string. It uses a motion detector with PIR (passive infarared) dimming as well as 0-10V analog dimming. It has differential high side current sensing which enables setting the dimpoint on PIR. It also has a turn on/off delay.
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PMP10375 335W 单级 LLC-SRC 转换器参考设计
The PMP10375 reference design is a single stage LLC series resonant converter (SRC), producing up to a 335W output using UCC25600 resonant controller. With the use of single stage LLC-SRC, the converter efficiency goes up to 90% at 335W full output power with 120VAC input.
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Universal Current Limiter based on a LED driver
This design is a current limiter based on a LED driver. It can be used for various applications and changed easily to a different current limit. PMP8531 uses LM3409 buck controller. An excel spreadsheet shows two different configurations (current source or eletrical fuse) and helps the designer to quickly achieve a working design.
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100-W: High-Resolution: 16-bit Color-Tunable: 0.15% Dimmable RGBW LED Luminaire Reference Design
This reference design demonstrates the finest range of color control of individual RGBW LED strings with > 16 bits of PWM resolution while supporting the PWM modulation frequencies as high as 30 and 50 kHz. This reference design demonstrates the finest range of individual RGBW LED strings color control and enables development of highly efficient DC-DC LED luminaires capable of wide color gamut generation with trillions of colors while at the same time being imperceptible to high-end cameras and video broadcast equipment.
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PMP7036 为 TI TPIC84134 供电的小型汽车电子升压转换器
此升压转换器为用于无源起动和无源开锁的 TI 天线驱动器提供所需的 38V 和高达 1Amp 的负载电流
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24V input to 14V@6A: Non Sync Buck LED Driver
It is a High current Non Synchronous buck DC-DC LED driver. The LM3409 uses Constant Off-Time (COFT) control to regulate an accurate constant current without the need for external control loop compensation. Analog and PWM dimming are easy to implement and result in a highly linear dimming range with excellent achievable contrast ratios. Programmable UVLO: low-power shutdown: and thermal shutdown complete the feature set.
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PMP30168 直流输入为 24V、直流输出为 12V 的 280W 汽车类双相同步降压参考设计
用于汽车应用的此 280W 两相同步降压转换器针对 24V 到 28V 的标称输入电压而设计，可支持低至 18V 的启动和小于 58V 的负载突降。它提供高达 20A 的输出电流以及 12 到 14V 的输出电压，输出电压可在外部通过微调器予以设置。此设计通过添加输入滤波器而具有极低的 EMI 和传导发射。可以通过此设计中包含的电流感应放大器来监测输出电流。
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100-240VAC Input: 60W: 2-string: PWM Dimmable LED Driver Reference Design
PMP6024 is an offline: LED driver circuit consisting of an isolated: power-factor corrected: constant output voltage flyback converter followed by two DC/DC buck LED current controllers. It is suitable for indoor or outdoor area lighting applications of 3500-5000 lumens (depending upon LED selection). LED brightness is controlled by a 3.3V: 10kHz PWM signal which is converted to a DC level adjustment of the LED string currents avoiding PWM modulation of the light output.
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PMP20551 12V 至 60V 输入 36W 工业 PoE 隔离式反激参考设计
PMP20551 是一款适用于工业应用且采用 LM5022 的隔离型反激式转换器。此设计支持 12V 到 60V 的 PoE 输入电压，此处提供的测试报告在 12V 输出（负载电流为 3A）下测得。开关频率设置为 100kHz。该测试报告中针对所有范围采集使用了定制变压器。
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Non sync buck controller with 32 to 36V input and 29.2V @ 6A output
PMP7757 is a non-synchronous buck controller with 32V to 36V DC input and 29.2V@ 6A output.
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Connected LED Lighting With IEEE802.3bt Power Over Ethernet (PoE) Reference Design
This Power over Ethernet (PoE) reference design supplies power and data over a single Ethernet cable to a connected LED lighting ballast. This reference design uses TI's TPS2372-4 PoE powered device (PD) interface: LM3409 buck controller: LM5165 buck converter: TPS62740 buck converter: TM4C1292NCPDT microcontroller (MCU): TPD4E05U06-Q1 ESD protection device: and DP83822I Ethernet PHY to provide power to the LED light remotely controlling the brightness and dimming parameters of the LED light while connected to the network. In need of an IEEE802.3bt-ready PSE controller? Check out the TPS23881.
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PMP8955 可编程输出恒压-恒流 (CVCC) 准谐振反激充电器
This industrial charger reference design uses the LM5023 Quasi-Resonant Flyback controller to implement a 120VAC input design with CVCC output configured by microcontroller PWM control from 10 to 22.5V and output current from 200mA to 2A.
1 - 5 of 14 reference designs