TL1451ACDG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
TL1451ACDG4 is a dual-output PWM DC-to-DC switching controller by Texas Instruments for step-up and step-down converters. Key specs: 3.6V to 50V input range, voltage-mode control, 16-pin SOIC package. From $1.50, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- TL1451ACDG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -20.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual-output PWM control enables simultaneous regulation of two independent power rails from a single controller IC
- Wide 3.6V to 50V input voltage range supports a broad variety of power supply designs from low-voltage portable to high-voltage industrial
- Voltage-mode pulse width modulation provides simple and stable control loop design for both boost and buck converter topologies
- 16-pin SOIC package with standard pin spacing simplifies PCB layout and supports high-volume automated assembly processes
Applications
The TL1451ACDG4 is suited for industrial power supplies, telecom equipment, and multi-rail embedded systems requiring dual regulated outputs from a single PWM controller. Its wide input voltage range makes it applicable for battery-powered instruments and automotive subsystems needing both boost and buck conversion. The device is also used in distributed power architectures and point-of-load converters where independent dual-output voltage regulation improves system efficiency.
Specifications
| YTEOL | 0 |
| Analog IC - Other Type | DUAL SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 50V |
| Input Voltage-Min | 3.6V |
| Input Voltage-Nom | 6V |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 0.021A |
| Output Voltage-Nom | 2.5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 2.4mA |
| Surface Mount | YES |
| Switcher Configuration | PHASE-SHIFT |
| Switching Frequency-Max | 500kHz |
| Technology | CMOS |
| Temperature Grade | OTHER |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| 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 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TL1451ACDG4:
Switching Controller, Voltage-mode, 3A, 500kHz Switching Freq-Max, CMOS, PDSO16
Dual Switching Controller, Voltage-mode, 0.021A, 500kHz Switching Freq-Max, CMOS, PDSO16
Dual Switching Controller, Voltage-mode, 0.021A, 500kHz Switching Freq-Max, CMOS, PDSO16
Frequently Asked Questions
What input voltage range does the TL1451ACDG4 support?
The TL1451ACDG4 operates over an input voltage range of 3.6V to 50V, with a nominal input of 6V. This wide range enables its use in a variety of applications from battery-powered portable devices to high-voltage industrial power supplies requiring dual-output PWM control.
What control mode does the TL1451ACDG4 use?
The TL1451ACDG4 uses voltage-mode pulse width modulation (PWM) control. This technique provides stable regulation with straightforward compensator design, making it well-suited for both step-up and step-down DC-DC converter topologies in power supply design.
How many outputs does the TL1451ACDG4 control?
The TL1451ACDG4 is a dual switching controller capable of managing two independent output rails simultaneously. This dual-output capability reduces component count and board space in systems requiring multiple regulated supply voltages compared to using two separate single-channel controllers.
What package is the TL1451ACDG4 available in?
The TL1451ACDG4 is packaged in a 16-pin Small Outline IC (SOIC) package, identified by JESD-30 code R-PDSO-G16. This industry-standard surface-mount package is compatible with automated pick-and-place assembly and widely used in industrial and commercial power supply PCB designs.
What converter topologies does the TL1451ACDG4 support?
The TL1451ACDG4 supports both step-up (boost) and step-down (buck) DC-DC converter topologies under voltage-mode PWM control. This flexibility allows power supply designers to implement diverse conversion architectures for applications ranging from battery-powered electronics to high-voltage industrial systems.
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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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