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Brand Name : | Texas Instruments |
Model Number : | LM3429MHX |
Certification : | CE, GCF, ROHS |
Price : | Negotiable |
Payment Terms : | T/T, Western Union, |
Supply Ability : | 1000pcs per month |
Delivery Time : | 3-5 working days after received the payment |
LM3429MHX
Features
• LM3429-Q1 is AEC-Q100 Grade 1 Qualified for 1 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
• PWMDimming
• Analog Dimming
• Cycle-by-Cycle Current Limit
• Programmable Switching Frequency
• LowProfile 14-lead HTSSOP Package
• Thermal Shutdown
Applications
• LEDDrivers- Buck, Boost, Buck-Boost, SEPIC
• Indoor and Outdoor SSL
• Automotive
• General Illumination
• Constant-Current Regulators
Description
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.
Information
Category | ||
Manufacturer | Texas Instruments | |
Series | - | |
Packaging | Tape & Reel (TR) Cut Tape (CT) Digi-Reel | |
Part Status | Active | |
Type | DC DC Controller | |
Topology | SEPIC, Step-Down (Buck), Step-Up (Boost) | |
Internal Switch(s) | No | |
Number of Outputs | 1 | |
Voltage - Supply (Min) | 4.5V | |
Voltage - Supply (Max) | 75V | |
Voltage - Output | - | |
Current - Output / Channel | - | |
Frequency | 2MHz | |
Dimming | Analog, PWM | |
Applications | - | |
Operating Temperature | -40°C ~ 125°C (TJ) | |
Grade | Automotive | |
Mounting Type | Surface Mount | |
Package / Case | 14-PowerTSSOP (0.173", 4.40mm Width) | |
Supplier Device Package | 14-HTSSOP | |
Base Product Number |
Drawing
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