TL1451AQD Texas Instruments Integrated Circuit (Other) In Stock
TL1451AQD is a dual-channel PWM switching controller from Texas Instruments with a wide 3.6V to 50V input voltage range, voltage-mode control, and up to 50V operation. Available from $1.66 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- TL1451AQD Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.6600(MOQ 400)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Wide input voltage range from 3.6V to 50V supports diverse power supply designs
- Dual-channel voltage-mode PWM control enables compact two-output regulation
- Pulse width modulation technique delivers precise and stable output regulation
- Available in SOIC-16 (R-PDSO-G16) package for space-constrained PCB layouts
- RoHS compliant (Pb-free) construction suitable for modern green electronics
Applications
The TL1451AQD is widely used in industrial and consumer power supply designs requiring dual-output regulation with a wide input voltage range. Its voltage-mode PWM control makes it ideal for DC-DC converters, telecom power modules, and battery-powered systems. It is also well-suited for embedded systems and point-of-load converters where compact dual-channel control is essential.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| 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 |
| Number of Outputs | 2 |
| Output Current-Max | 3A |
| Output Voltage-Max | 50V |
| Output Voltage-Min | 1V |
| 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 |
| Supply Voltage-Nom (Vsup) | 6V |
| Surface Mount | YES |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 500kHz |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TL1451AQD:
Dual 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, 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 is the input voltage range of the TL1451AQD?
The TL1451AQD supports a wide input voltage range from 3.6V minimum to 50V maximum, with a nominal operating voltage of 6V. This makes it suitable for a broad range of power supply applications including industrial and telecom systems.
What control method does the TL1451AQD use?
The TL1451AQD uses voltage-mode control with pulse width modulation (PWM) technique. This provides stable and precise output regulation across both channels, making it ideal for DC-DC converter designs requiring consistent performance.
What package is the TL1451AQD available in?
The TL1451AQD is available in a 16-pin SOIC package (JESD-30 code: R-PDSO-G16). This surface-mount package is compact and well-suited for space-constrained PCB designs in industrial and consumer electronics.
Is the TL1451AQD RoHS compliant?
Yes, the TL1451AQD is Pb-free and RoHS compliant (Pbfree Code: Yes, JESD-609 Code: e4), meeting modern environmental standards for use in green electronics and products requiring lead-free manufacturing.
Related Guides
How to Choose a 3528 SMD Indicator LED for Blue Status Lighting: Selection Guide
A practical 3528 SMD indicator LED selection guide using 150141BS73100 and related Wurth 150141 variants for blue status lighting.
Jul 5, 2026
BAS70KFILM Design Guide for Low-Leakage Signal Clamping and RF Detector Inputs
Practical BAS70KFILM design guidance for signal clamps, RF detector inputs, leakage control, capacitance, layout, and sourcing alternatives.
Jul 5, 2026
How to Choose a BAS70 Schottky Diode for Signal Clamping: Selection Guide
A practical BAS70KFILM and BAS70-family Schottky diode selection guide for signal clamping, RF detection, leakage, and topology choices.
Jul 4, 2026
AMC1202DWVR Design Guide for Isolated Current Sensing
Practical AMC1202DWVR design guide covering shunt sizing, isolation layout, input filtering, ADC scaling, and sourcing choices.
Jul 4, 2026
Why Buy from FindMyChip
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 |
|---|---|---|
| 400+ | $2.3102 | $924.09 |
| 500+ | $1.8700 | $935.00 |
| 1000+ | $1.7700 | $1770.00 |
| 10000+ | $1.6600 | $16600.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”