LM2853MHX-3.0/NOPB Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
LM2853MHX-3.0/NOPB is a synchronous step-down switching regulator from Texas Instruments providing a fixed 3.0 V output at up to 3 A. It operates from a 1.5 V to 5.5 V input and uses pulse-width modulation voltage-mode control. Supplied in a compact 14-pin HTSSOP package for high-density power supply designs.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 15
- Lifecycle
- OBSOLETE
- Datasheet
- LM2853MHX-3.0/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Synchronous PWM voltage-mode step-down regulator delivering 3 A from a fixed 3.0 V output
- Ultra-wide input range from 1.5 V to 5.5 V accommodates single-cell Li-ion batteries and 5 V system rails
- 14-pin HTSSOP package with exposed pad enables excellent thermal dissipation in space-constrained PCB designs
Applications
The LM2853MHX-3.0/NOPB is designed for point-of-load power conversion in portable consumer electronics, communications modules, and industrial controllers where a stable 3.0 V, 3 A rail is required from a low-voltage input. Its wide 1.5 V to 5.5 V input range makes it suitable for battery-powered systems as well as regulated bus-powered equipment. The compact HTSSOP package allows dense multi-rail board layouts with minimal thermal management overhead.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Additional Feature | INPUT VOLTAGE FOR CONTROL CIRCUITRY IS 3 TO 5.5V, SEATED HGT-NOM |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 1.5V |
| Input Voltage-Nom | 5V |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 3A |
| Output Voltage-Max | 3.0675V |
| Output Voltage-Min | 2.9325V |
| Output Voltage-Nom | 3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 725kHz |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | MATTE TIN |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What output voltage and current does the LM2853MHX-3.0/NOPB provide?
The LM2853MHX-3.0/NOPB delivers a fixed 3.0 V output at up to 3 A continuous current. This makes it a practical point-of-load regulator for microcontrollers, FPGAs, memory devices, and other digital logic that operate from a 3.0 V supply rail.
Can the LM2853MHX-3.0/NOPB operate directly from a single-cell lithium-ion battery?
Yes. The device supports an input voltage as low as 1.5 V, and a single-cell Li-ion battery typically delivers 3.0 V to 4.2 V, well within the 1.5 V to 5.5 V input range. However, at low battery voltages the output voltage equals the input voltage, so sufficient headroom must be maintained for proper step-down operation.
How does pulse-width modulation voltage-mode control benefit the LM2853MHX-3.0/NOPB performance?
Voltage-mode PWM control provides excellent line and load regulation with simple external compensation. The fixed switching frequency reduces output voltage ripple and simplifies LC filter design, enabling designers to achieve low-noise 3.0 V rails with fewer external passive components across a range of 1.5 V to 5.5 V inputs.
For a 3 A telecom board, does the 14-pin HTSSOP package offer adequate thermal dissipation?
The 14-pin HTSSOP exposed thermal pad helps conduct heat from the die to the PCB copper area, reducing junction temperature at 3 A loads. Designers should follow Texas Instruments thermal design guidelines and provide adequate copper pours or thermal vias to keep junction temperature below the maximum rated operating temperature.
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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.
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