Description
LM3743MM-1000/NOPB Texas Instruments - Yeehing Electronics
High-Performance Synchronous Buck Controller with Comprehensive Fault Protection Features
Pricing (USD)
| Quantity | Unit Price |
| 1 — 99 | 1.676 |
| 100 — 249 | 1.384 |
| 250 — 999 | 0.994 |
| 1,000 + | 0.52 |
The above prices are for reference only.
Specifications
| Manufacturer | Texas Instruments |
| Product Category | Switching Controllers |
| RoHS | Y |
| Number of Outputs | 1 Output |
| Switching Frequency | 1000 kHz |
| Duty Cycle - Max | 76 % (Typ) |
| Output Voltage | 0.8 V to 4.6 V |
| Output Current | 20000 mA |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 125 C |
| Mounting Style | SMD/SMT |
| Package / Case | MSOP-10 |
| Packaging | Reel |
| Height | 0.86 mm |
| Length | 3 mm |
| Operating Temperature Range | - 40 C to + 125 C |
| Series | LM3743 |
| Type | Voltage Mode PWM Controllers |
| Width | 3 mm |
| Brand | Texas Instruments |
| Development Kit | LM3743-1000EVAL |
| Operating Supply Current | 1.8 mA |
| Product Type | Switching Controllers |
| Factory Pack Quantity | 1000 |
| Subcategory | PMIC - Power Management ICs |
For more information, please refer to datasheet
Documents
| LM3743MM-1000/NOPB Datasheet |
More Information
The LM3743 is a DC-DC voltage mode PWM buck controller featuring synchronous rectification at 300 kHz or 1 MHz. It can deliver current as high as 20A and step down from an input voltage between 3V and 5.5V down to a minimum output voltage of 0.8V, with a ±1.75% internal reference accuracy. The LM3743 provides a set of comprehensive fault protection features such as high-side current limit, output under-voltage protection, and low-side current limit. When any of these fault protection features are engaged, it enters a hiccup protection mode which is suitable for high reliability systems such as rack mounted servers and telecom base station subsystems. The LM3743 also employs a proprietary monolithic glitch free pre-bias start-up method suited for FPGA and ASIC logic devices. An external programmable soft-start allows for tracking and timing flexibility. The driver features 1.6Ω of pull-up resistance and 1Ω of pull-down drive resistance for high power density and very efficient power processing.
