UCC3813DTR-0
Current Mode PWM Controller 1A 1000kHz 8-Pin SOIC T/R
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Part Number : UCC3813DTR-0
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Package/Case : SOIC (D)-8
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Brands : Texas Instruments
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Components Categories : DC DC Switching Controllers
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Datesheet : UCC3813DTR-0 DataSheet (PDF)
Overview of UCC3813DTR-0
The UCC3813-x device family of high-speed, low-power integrated circuits contains all of the control and drive components required for off-line and DC-to-DC fixed-frequency current-mode switching power supplies with minimal parts count.
These devices have the same pin configuration as the UC384x device family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.
The UCC3813-x device family offers a variety of package options, temperature-range options, choice of maximum duty cycle, and choice of critical voltage levels. Devices with lower reference voltage such as the UCC3813-3 and UCC3813-5 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC3813-2 device and UCC3813-4 device make these ideal choices for use in off-line power supplies.
The UCC2813-x device series is specified for operation from –40°C to 85°C and the UCC3813-x device series is specified for operation from 0°C to 70°C.
Key Features
- 100-µA typical starting supply current
- 500-µA typical operating supply current
- Operation to 1 MHz
- Internal soft start
- Internal fault soft start
- Internal leading-edge blanking of the current-sense signal
- 1-A totem-pole output
- 70-ns typical response from current-sense to gate-drive output
- 1.5% Tolerance Voltage Reference
- Same Pinout as the UCC3802 device, UC3842 device, and UC3842A device families
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Topology | Boost, Flyback | Control mode | Current |
Duty cycle (max) (%) | 100 | Switching frequency (max) (kHz) | 1000 |
Features | Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Leading edge blanking, Multi-topology, Soft start | UVLO thresholds on/off (V) | 7.2/6.9 |
Operating temperature range (°C) | 0 to 70 | Rating | Catalog |
Gate drive (typ) (A) | 1 | Vin (max) (V) | 11 |
Warranty & Returns
Warranty, Returns, and Additional Information
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Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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