Texas Instruments LM3102MHX/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.72 | $4.72 |
| 15+ | $4.57 | $68.55 |
| 25+ | $4.47 | $111.75 |
| 50+ | $4.22 | $211.00 |
| 100+ | $3.73 | $373.00 |
| N+ | $0.75 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | SIMPLE SWITCHER® |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 42V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 7V |
| Current - Output | 2.5A |
| Frequency - Switching | Up to 1MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-HTSSOP |
| ROHS |
The LM3102MHX/NOPB from Texas Instruments is a highly efficient synchronous Buck DC-DC converter designed for demanding applications. It accepts a wide input voltage from 4.5V to 42V and provides a regulated output from 0.8V to 7V, delivering up to 2.5A of continuous current. With a switching frequency up to 1MHz, it allows for a compact power solution using small inductors and capacitors. Its integrated high-side and low-side MOSFETs ensure excellent efficiency, making it suitable for industrial, automotive, and telecom power systems.
- High Efficiency: Integrated synchronous rectification eliminates the need for an external Schottky diode, improving efficiency and reducing power loss.
- Wide Input Voltage Range: Operates from 4.5V to 42V, making it versatile for various industrial and automotive rails.
- Compact Solution Size: The 1MHz switching frequency allows for the use of small, low-profile inductors and capacitors, saving PCB area.
- Accurate Regulation: The 0.8V reference voltage enables precise low-voltage output regulation for modern digital ICs.
Point-of-Load (POL) Regulation for FPGAs and DSPs
With a 2.5A output capability and adjustable output down to 0.8V, the LM3102 is ideal for powering core voltages of FPGAs, DSPs, and ASICs in networking and computing equipment. Its high frequency operation allows for small external components, saving board space.
Industrial Control Systems
The wide 4.5V to 42V input range accommodates unregulated 12V and 24V industrial supply rails. The robust design and thermal performance of the PowerTSSOP package ensure reliable operation in harsh factory floor environments.
Automotive Infotainment and Body Electronics
This buck converter can handle load dumps and cold-crank conditions typical in automotive power systems. Its high-efficiency synchronous architecture reduces heat generation, which is critical for sealed electronic control units (ECUs).
Telecom and Networking Equipment
For 48V telecom backplane conversions, the LM3102 steps down to lower intermediate bus voltages. The 1MHz switching frequency enables a compact power supply design, crucial for high-density line cards.
Battery-Powered Portable Instruments
Although it handles high input voltages, its low quiescent current and high efficiency at light loads extend battery life in portable diagnostic tools. The small footprint is beneficial for handheld designs.
- Q: What type of converter is the LM3102MHX/NOPB?
- A: It is a synchronous Buck (step-down) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 4.5V to 42V.
- Q: What is the output voltage range?
- A: The adjustable output voltage range is from 0.8V to 7V.
- Q: What is the maximum output current?
- A: It can deliver up to 2.5A of continuous output current.
- Q: What is the switching frequency?
- A: The switching frequency is programmable up to 1MHz.
- Q: What package is available?
- A: It comes in a 20-Pin PowerTSSOP package.
- Q: What type of converter is the LM3102MHX/NOPB?
- A: It is a synchronous Buck (step-down) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 4.5V to 42V.
- Q: What is the output voltage range?
- A: The adjustable output voltage range is from 0.8V to 7V.
- Q: What is the maximum output current?
- A: It can deliver up to 2.5A of continuous output current.
- Q: What is the switching frequency?
- A: The switching frequency is programmable up to 1MHz.
- Q: What package is available?
- A: It comes in a 20-Pin PowerTSSOP package.

LM3102MHX/NOPB.pdf