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NCP1034DR2G
+NomenclatureIC REG CTRLR BUCK 16SOIC
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FabricantSemi - conducteurs
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Pièce fabricant #NCP1034DR2G
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Package SOIC-16
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En stock7275
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 10V ~ 18V |
| Frequency-Switching | 25kHz ~ 500kHz |
| DutyCycle(Max) | 80% |
| SynchronousRectifier | Yes |
| ClockSync | Yes |
| ControlFeatures | Current Limit, Enable, Frequency Control, Soft Start |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.154, 3.90mm Width) |
Présentation
Description
Key features of the NCP1034DR2G include its wide input voltage range, enhanced efficiency due to low standby power consumption, and built-in protection features such as over-voltage, over-current, and thermal shutdown protection. This makes it suitable for compact and efficient power supply designs. Additionally, the device supports various topologies, including flyback, boost, and buck configurations, making it versatile for different power conversion needs.
The NCP1034DR2G comes in a compact surface-mount package, which is ideal for space-constrained applications. It's commonly used in consumer electronics, industrial equipment, and telecommunications systems. Its robust performance and reliability make it a popular choice among engineers for developing efficient power management solutions.
Equivalent
1. LM5026 by Texas Instruments
2. UC3845 by Texas Instruments
3. L6561 by STMicroelectronics
4. MC34063 by ON Semiconductor
5. TL494 by Texas Instruments
Compatibility depends on specific application requirements, so always verify electrical specifications and performance for your particular design.
Features
1. Wide Input Voltage Range: Supports a broad input voltage range, making it suitable for various applications.
2. Integrated Power Switch: Includes an internal 40V power MOSFET switch for efficient energy conversion.
3. Current Mode Control: Adopts current mode control for fast transient response and simplified loop compensation.
4. Frequency Options: Offers programmable switching frequency, providing flexibility in design.
5. Soft-Start Capability: Incorporates a soft-start feature to limit inrush current during startup.
6. Overcurrent Protection: Includes cycle-by-cycle current limiting to safeguard against overcurrent conditions.
7. Overvoltage Protection: Provides protection against output overvoltage scenarios.
8. Thermal Shutdown: Features an internal thermal shutdown mechanism for enhanced reliability.
9. Fault Indicator: Comes with a fault indicator for ease of diagnostics.
10. Compact Package: Supplied in a small SOIC-8 package, allowing for space-efficient designs.
These features make the NCP1034DR2G ideal for use in various power supply applications, including DC-DC converters and off-line power supplies.
Pinout
1. VCC (Pin 1): Supply voltage input for the IC.
2. GND (Pin 2): Ground reference for the IC.
3. DRV (Pin 3): Gate drive output for controlling the external MOSFET.
4. CS (Pin 4): Current sense input for monitoring the current through the power switch.
5. FB (Pin 5): Feedback input for voltage regulation, typically connected to the output voltage through a resistor divider.
6. COMP (Pin 6): Compensation pin used for stabilizing the control loop.
7. VDD (Pin 7): Supply voltage for start-up and operation, usually derived from an auxiliary winding.
8. RT/CT (Pin 8): Sets the oscillator timing by connecting a resistor and capacitor to this pin.
The NCP1034DR2G is used in various applications, including AC-DC adapters and offline power converters, providing high efficiency and precise control.
Manufacturer
Application
1. AC-DC Power Supplies: Used in adapters, chargers, and other power supply units for converting AC to DC.
2. DC-DC Converters: Utilized in systems requiring voltage conversion with high efficiency.
3. Industrial Power Systems: Ideal for industrial equipment needing reliable power control.
4. Telecommunications: Supports power management in networking and communication devices.
5. Consumer Electronics: Applied in TVs, set-top boxes, and other home electronics requiring power efficiency and regulation.
These applications benefit from the controller's features like high efficiency, reliability, and flexibility in power management.