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UCC3895N
+BOMIC OFFLINE SW FULL-BRDG 20DIP
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제조업체텍사스 인스트루먼트(주)
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제조업체 부품 #UCC3895N
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데이터시트 UCC3895N DataSheet
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재고8536
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사양
| 속성 | 가치 |
| Part Status | Active |
| Base Product Number | UCC3895 |
| Output Type | PWM |
| Output Configuration | Positive |
| Topology | Phase-Shifted Full-Bridge |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 10V ~ 16.5V |
| Frequency - Switching | 1MHz |
| Duty Cycle (Max) | 100% |
| Clock Sync | Yes |
| Control Features | Frequency Control, Soft Start, Sync |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Mounting Type | Through Hole |
| Package | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-PDIP |
| Packaging | Bulk, Tube |
개요
Description
Key specifications include a peak current limit, programmable switching frequency, and a reference voltage for accurate output regulation. The UCC3895N is often utilized in applications requiring efficient power conversion, including telecommunications, industrial equipment, and computer power supplies.
Additionally, it offers protection features like under-voltage lockout (UVLO) and thermal shutdown to ensure reliable operation. The UCC3895N is available in a 16-pin SOIC package, facilitating easy integration into circuit designs. Overall, it provides a robust solution for designers looking to achieve high efficiency and performance in their power supply systems.
Equivalent
Features
1. Integrated Soft-Start: Reduces inrush current during startup.
2. Voltage Regulation: Maintains output voltage with high accuracy.
3. High Switching Frequency: Allows for smaller magnetics and capacitors.
4. Dual Output: Supports both high-side and low-side drive.
5. Adjustable Dead Time: Optimizes efficiency and minimizes cross-conduction.
6. Over-Voltage Protection: Protects against output over-voltage conditions.
7. Under-Voltage Lockout (UVLO): Prevents operation at low supply voltages.
8. Current Limit: Offers built-in over-current protection.
9. Temperature Range: Operates effectively across a wide temperature range.
These features make the UCC3895N suitable for various applications, including telecom, industrial, and consumer electronics power supplies.
Pinout
Here are the primary functions of its pins:
1. VCC (Pin 1): Supply voltage input.
2. GND (Pin 2): Ground connection.
3. RT (Pin 3): Timing resistor connection for setting frequency.
4. CT (Pin 4): Timing capacitor connection for frequency setting.
5. CS (Pin 5): Current sense input for overcurrent protection.
6. COMP (Pin 6): Compensation for the error amplifier.
7. FB (Pin 7): Feedback input for voltage regulation.
8. Ref (Pin 8): Reference voltage output.
9. VREF (Pin 9): Reference voltage input for the internal circuits.
10. IS (Pin 10): Current sense input.
11. SW (Pin 11): Switch node connection for the power stage.
12. OUT (Pin 12): Output driver for the external transistor.
13. CSN (Pin 13): Negative current sense input.
14. OC (Pin 14): Overcurrent protection.
15. CL (Pin 15): Soft-start capacitor connection.
16. CSP (Pin 16): Positive current sense input.
This IC is commonly utilized in applications requiring regulated power supplies.
Manufacturer
The company serves a diverse array of markets, including automotive, industrial, communications, and consumer electronics. Texas Instruments is recognized for its commitment to quality and reliability, making it a trusted provider for engineers and designers worldwide. TI also invests in research and development to advance technology and improve energy efficiency in electronic systems. The UCC3895N specifically is a high-performance PWM controller used in power management applications, showcasing TI’s expertise in power solutions.
Application
1. Switching Power Supplies: It is commonly used in DC-DC converters for efficient voltage regulation.
2. Industrial Power Supplies: Suitable for powering industrial equipment with precise voltage and current control.
3. Telecommunications: Employed in server power supply circuits and telecom infrastructure for stable operation.
4. Consumer Electronics: Used in adapters and chargers for various electronic devices.
5. Renewable Energy Systems: Applied in photovoltaic inverters and battery management systems.
Overall, it enhances efficiency and performance in various power management solutions.