UC3526DWTR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
UC3526DWTR is a voltage-mode PWM switching controller IC from Texas Instruments. Supports 8V to 35V input voltage with pulse width modulation control technique. Ideal for SMPS, DC-DC converters, and industrial power supplies. From $1.20 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 18
- Lifecycle
- ACTIVE
- Datasheet
- UC3526DWTR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1976(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Voltage-mode PWM control with wide 8V–35V input range
- Pulse width modulation for precise duty cycle regulation
- 18-pin SOIC (R-PDSO-G18) small outline package for compact designs
- Lead-free (Pb-free) compliant, JESD-609 e4 rated
- Suitable for regulated DC-DC converters and SMPS applications
Applications
The UC3526DWTR is widely used in switch-mode power supplies (SMPS) and DC-DC converter designs requiring stable voltage-mode PWM regulation. Its broad input voltage range of 8V to 35V makes it suitable for industrial power management systems, battery chargers, and UPS circuits. The compact 18-pin SOIC package enables integration into space-constrained PCB layouts across telecom, industrial automation, and consumer electronics applications.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 35V |
| Input Voltage-Min | 8V |
| Input Voltage-Nom | 15V |
| JESD-30 Code | R-PDSO-G18 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 0.2A |
| Output Voltage-Max | 5.1V |
| Output Voltage-Min | 4.9V |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP18,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 35V |
| Supply Voltage-Min (Vsup) | 8V |
| Surface Mount | YES |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 400kHz |
| Technology | CMOS |
| Temperature Grade | COMMERCIAL |
| 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 | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for UC3526DWTR:
Rochester Electronics LLC 0.2A SWITCHING CONTROLLER, 400kHz SWITCHING FREQ-MAX, PDSO18, GREEN, SOIC-18
Frequently Asked Questions
What is the input voltage range of the UC3526DWTR?
The UC3526DWTR operates with an input voltage range of 8V minimum to 35V maximum, with a nominal operating voltage of 15V. This wide range makes it versatile for various power supply topologies including buck, boost, and flyback converters.
What control mode and technique does the UC3526DWTR use?
The UC3526DWTR uses voltage-mode control with pulse width modulation (PWM) technique. This approach provides excellent line and load regulation by adjusting the duty cycle of the switching waveform to maintain a stable output voltage across varying input and load conditions.
What package type is the UC3526DWTR available in?
The UC3526DWTR comes in an 18-pin Small Outline Integrated Circuit (SOIC) package, JESD-30 code R-PDSO-G18. This surface-mount package offers a compact footprint suitable for high-density PCB designs in industrial and commercial power supply applications.
What are the typical applications for the UC3526DWTR?
The UC3526DWTR is commonly used in switch-mode power supplies (SMPS), DC-DC converters, battery chargers, UPS systems, and industrial power management circuits. Its voltage-mode PWM control makes it ideal for applications requiring precise and stable output voltage regulation.
Is the UC3526DWTR RoHS compliant?
Yes, the UC3526DWTR is Pb-free (lead-free) compliant with JESD-609 code e4, indicating it meets RoHS environmental standards. This makes it suitable for use in modern electronics manufacturing that requires halogen-free and lead-free components.
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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+ | $3.4650 | $3.46 |
| 87+ | $1.3632 | $118.60 |
| 185+ | $1.2657 | $234.15 |
| 377+ | $1.1976 | $451.50 |
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