LM25019MRX/NOPB Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The LM25019MRX/NOPB is a 7.5 V to 48 V wide-input constant on-time synchronous buck regulator from Texas Instruments in an 8-pin SOIC package. It delivers 100 mA output current with adjustable output voltage starting from 1.225 V, using a voltage-mode constant on-time control for fast transient response. RoHS compliant and lead-free.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 9
- Lifecycle
- ACTIVE
- Datasheet
- LM25019MRX/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
- Wide 7.5 V to 48 V input range for industrial, automotive, and telecom power rails
- 100 mA output current with adjustable output from 1.225 V via external resistor divider
- Constant on-time (COT) voltage-mode control for fast load transient response
- Synchronous buck topology with integrated high- and low-side gate drivers
- No external compensation required, simplifying design and reducing BOM cost
- 8-pin SOIC package with NOPB lead-free finish for RoHS compliance
Applications
The LM25019MRX/NOPB is used in industrial power systems, automotive body electronics, and telecom equipment requiring a compact, wide-input buck regulator to step down high bus voltages to logic-level supply rails. Its wide input range and constant on-time control make it well suited for factory automation controllers, 24 V and 48 V industrial bus systems, and bias supply regulators.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | ALSO OPERATES IN ADJUSTABLE MODE FROM 1.225V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | CONSTANT ON TIME |
| Input Voltage-Max | 48V |
| Input Voltage-Min | 7.5V |
| Input Voltage-Nom | 9V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 0.1A |
| Output Voltage-Max | 40V |
| Output Voltage-Min | 1.25V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 1000kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| 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 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input voltage range of the LM25019MRX/NOPB?
The LM25019MRX/NOPB operates with input voltages from 7.5 V to 48 V, making it suitable for 12 V, 24 V, and 48 V industrial power rails as well as automotive and telecom bus voltages.
What is the maximum output current of the LM25019MRX/NOPB?
The device provides up to 100 mA of continuous output current, sufficient for powering logic ICs, microcontrollers, and bias supplies derived from higher-voltage industrial or automotive power rails.
What control method does the LM25019MRX/NOPB use?
The LM25019MRX/NOPB uses constant on-time (COT) voltage-mode control, which provides fast load transient response and does not require an external feedback compensation network, simplifying board design.
Is the LM25019MRX/NOPB RoHS compliant?
Yes, the NOPB suffix confirms the device is lead-free and RoHS compliant, making it suitable for environmentally regulated products sold in markets requiring restriction of hazardous substances compliance.
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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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