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LM3429-Q1 - 用于恒流 LED 驱动器的 N 通道控制器
LM3429-Q1是TI德州仪器公司的一款汽车类LED驱动器产品,LM3429-Q1是用于恒流 LED 驱动器的 N 通道控制器,本站介绍了LM3429-Q1的封装应用图解、特点和优点、功能等,并给出了与LM3429-Q1相关的TI元器件型号供参考。
LM3429-Q1 - 用于恒流 LED 驱动器的 N 通道控制器 - 汽车类LED驱动器 - LED驱动器 - 德州仪器
- LM3429-Q1 is AEC-Q100 Grade 1 Qualified for Automotive Applications
- VIN Range From 4.5 V to 75 V
- Adjustable Current Sense Voltage
- High-Side Current Sensing
- 2-Ω, 1-A Peak MosFET Gate Driver
- Input Undervoltage Protection
- Overvoltage Protection
- PWM Dimming
- Analog Dimming
- Cycle-by-Cycle Current Limit
- Programmable Switching Frequency
- Low Profile 14-lead HTSSOP Package
- Thermal Shutdown
- LED Drivers - Buck, Boost, Buck-Boost, SEPIC
- Indoor and Outdoor SSL
- Automotive
- General Illumination
- Constant-Current Regulators
The LM3429 is a versatile high voltage N-channel MosFET controller for LED drivers. It can be easily configured in buck, boost, buck-boost and SEPIC topologies. This flexibility, along with an input voltage rating of 75V, makes the LM3429 ideal for illuminating LEDs in a very diverse, large family of applications.
Adjustable high-side current sense voltage allows for tight regulation of the LED current with the highest efficiency possible. The LM3429 uses Predictive Off-time (PRO) control, which is a combination of peak current-mode control and a predictive off-timer. This method of control eases the design of loop compensation while providing inherent input voltage feed-forward compensation.
The LM3429 includes a high-voltage startup regulator that operates over a wide input range of 4.5 V to 75 V. The internal PWM controller is designed for adjustable switching frequencies of up to 2 MHz, thus enabling compact solutions. Additional features include analog dimming, PWM dimming, overvoltage protection, undervoltage lock-out, cycle-by-cycle current limit, and thermal shutdown.
| PART NUMBER | PACKAGE | BODY SIZE (NOM) |
|---|---|---|
| LM3429 | HTSSOP (14) | 5.00 mm × 4.40 mm |
| LM3429-Q1 |
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