UCC2805D Texas Instruments Integrated Circuit (Other) In Stock
Texas Instruments UCC2805D is a current-mode PWM controller with 1A output, 1MHz switching frequency, and 4-12V input range. Features low startup current, programmable soft-start, and cycle-by-cycle current limiting. From $1.34, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- UCC2805D Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.3388(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control with cycle-by-cycle current limiting for enhanced protection
- Wide input voltage range of 4V to 12V supporting flexible power supply designs
- High switching frequency up to 1MHz enabling compact transformer and filter designs
- Low startup current minimizing power dissipation during system startup
- Programmable soft-start reducing inrush current and stress on power components
- 8-Pin SOIC package for easy PCB integration in space-constrained designs
Applications
The UCC2805D is widely used in offline and DC-DC switching power supplies, battery chargers, and telecom power systems where current-mode control is essential. It is well suited for flyback, forward, and boost converter topologies in industrial and consumer electronics requiring efficient power conversion. Its high switching frequency and compact SOIC-8 package make it ideal for compact adapters, distributed power architectures, and point-of-load regulators.
Specifications
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 12V |
| Input Voltage-Min | 4V |
| Input Voltage-Nom | 10V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 1A |
| Output Voltage-Max | 4.06V |
| Output Voltage-Min | 3.94V |
| Output Voltage-Nom | 4V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 25mA |
| Supply Voltage-Max (Vsup) | 12V |
| Supply Voltage-Min (Vsup) | 4.1V |
| Supply Voltage-Nom (Vsup) | 10V |
| Surface Mount | YES |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 1000kHz |
| Technology | BICMOS |
| Temperature Grade | INDUSTRIAL |
| 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) | NOT SPECIFIED |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Mexico |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for UCC2805D:
Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8
Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8
Frequently Asked Questions
What is the input voltage range of the UCC2805D?
The UCC2805D operates with an input voltage range of 4V to 12V, with a nominal operating voltage of 10V. This wide range makes it suitable for various power supply topologies including flyback and forward converters in both offline and DC-DC applications.
What switching frequency does the UCC2805D support?
The UCC2805D supports switching frequencies up to 1000 kHz (1 MHz). This high switching frequency allows designers to use smaller magnetics and filter components, resulting in more compact and lightweight power supply designs.
What package is the UCC2805D available in?
The UCC2805D is available in an 8-Pin SOIC (Small Outline Integrated Circuit) package, also identified by the JESD-30 code R-PDSO-G8. This surface-mount package is widely used in space-constrained PCB designs and is compatible with standard SMT assembly processes.
What are typical applications for the UCC2805D?
The UCC2805D is commonly used in switching power supplies, DC-DC converters, battery chargers, and telecom power systems. Its current-mode PWM control with cycle-by-cycle limiting makes it ideal for flyback, forward, and boost converter topologies in industrial and consumer electronics.
Are there alternative parts or pin-compatible replacements for the UCC2805D?
Texas Instruments offers several related current-mode PWM controllers in the UCC28xx family, such as the UCC2802D and UCC2803D, which share similar pinouts and control architectures. Always verify electrical specifications and application requirements before substituting components.
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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 |
|---|---|---|
| 1+ | $2.2313 | $2.23 |
| 3+ | $2.0528 | $6.16 |
| 13+ | $1.7850 | $23.20 |
| 43+ | $1.3388 | $57.57 |
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