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Updated at 17/06/2025 10:30:15(UTC+8)
Certifications
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Description
- DESCRIPTION
- The UC1875 family of integrated circuits implements control of a bridge power stage by phase-shifting the switching of one half-bridge with respect to the other, allowing constant frequency pulse-width modulation in combination with resonant, zero-voltage switching for high efficiency performance at high frequencies. This family of circuits may be configured to provide control in either voltage or current mode operation, with a separate over-current shutdown for fast fault protection.
- FEATURES
- •Zero to 100% Duty Cycle Control
- •Programmable Output Turn-On Delay
- •Compatible with Voltage or Current Mode Topologies
- •Practical Operation at Switching Frequencies to 1MHz
- •Four 2A Totem Pole Outputs
- •10MHz Error Amplifier
- •Undervoltage Lockout
- •Low Startup Current –150µA
- •Outputs Active Low During UVLO
- •Soft-Start Control
- •Latched Over-Current Comparator With Full Cycle Restart
- •Trimmed Reference
UC2875N Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Through Hole |
| Number of Pins | 20 Pin |
| Case/Package | PDIP-20 |
| Frequency | 1 MHz |
| Supply Voltage (DC) | 11.0V (min) |
| Number of Outputs | 4 Output |
| Input Voltage (DC) | 20.0 V |
| Output Voltage | 1.7 V |
| Output Current | 500 mA |
| Input Current | 30.0 mA |
| Switching Frequency | 1000 kHz |
| Duty Cycle | 100 % |
| Maximum Duty Cycle | 100 % |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -25 ℃ |
| Supply Voltage | 11V ~ 20V |
| Supply Voltage (Max) | 20 V |
| Supply Voltage (Min) | 11 V |
| Input Voltage | 20 V |
| Show | |
| Size-Length | 24.33 mm |
| Size-Width | 6.35 mm |
| Size-Height | 4.57 mm |
| Operating Temperature | -25℃ ~ 85℃ (TA) |
| Product Lifecycle Status | Active |
| Packaging | Tube |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
| ECCN Code | EAR99 |
Order guide
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- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
Contact Us
If you have any problem,please email to sales@manychip.com, we will response as soon as possisble.
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