LM2640MTC-ADJ Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
LM2640MTC-ADJ is a dual current-mode PWM step-down switching power supply controller from Texas Instruments. It supports 5.5V to 30V input voltage range with pulse width modulation control technique. From $4.95 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- OBSOLETE
- Datasheet
- LM2640MTC-ADJ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.9553(MOQ 1)
- Temp Range
- ?°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual current-mode PWM control for improved transient response and stability
- Wide input voltage range from 5.5V to 30V supporting diverse power supply designs
- Pulse width modulation technique enables precise output voltage regulation
- Available in compact 28-pin SOIC package for space-constrained applications
- Adjustable output voltage configuration for flexible power supply design
Applications
The LM2640MTC-ADJ is widely used in industrial power supplies, telecom equipment, and embedded systems requiring efficient DC-DC conversion. Its dual channel architecture makes it ideal for multi-rail power systems in networking hardware, DSP boards, and programmable logic controllers. The wide input voltage range also suits automotive and ruggedized applications where supply voltages vary significantly.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Analog IC - Other Type | DUAL SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 30V |
| Input Voltage-Min | 5.5V |
| Input Voltage-Nom | 10V |
| JESD-30 Code | R-PDSO-G28 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Voltage-Max | 6V |
| Output Voltage-Min | 2.2V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP28,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 235 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | PUSH-PULL |
| Switching Frequency-Max | 230kHz |
| Technology | BICMOS |
| Terminal Finish | TIN LEAD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 20 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM2640MTC-ADJ:
Dual Switching Controller, Current-mode, 5A, 400kHz Switching Freq-Max, BICMOS, PDSO28
Frequently Asked Questions
What is the input voltage range of the LM2640MTC-ADJ?
The LM2640MTC-ADJ supports an input voltage range of 5.5V to 30V, with a nominal operating voltage of 10V. This wide range makes it suitable for diverse power supply designs including industrial and telecom applications.
What control mode does the LM2640MTC-ADJ use?
The LM2640MTC-ADJ uses current-mode control with pulse width modulation (PWM) technique. Current-mode control provides superior transient response, inherent cycle-by-cycle current limiting, and simplified loop compensation compared to voltage-mode control.
What package type is the LM2640MTC-ADJ available in?
The LM2640MTC-ADJ is available in a 28-pin SOIC (Small Outline IC) package, designated as R-PDSO-G28. This surface-mount package is compact and suitable for automated PCB assembly in space-constrained designs.
What are typical applications for the LM2640MTC-ADJ?
The LM2640MTC-ADJ is commonly used in industrial power supplies, networking equipment, DSP power rails, telecom infrastructure, and embedded systems. Its dual-channel adjustable step-down architecture supports multi-output power designs requiring efficient DC-DC conversion.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $11.1000 | $11.10 |
| 2+ | $7.4000 | $14.80 |
| 4+ | $5.5500 | $22.20 |
| 96+ | $4.9553 | $475.71 |
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