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ISL6545CBZ-T
+Lista de MateriaisIC REG CTRLR BUCK 8SOIC
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FabricanteRenesas Electronics America Inc.
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Peça do Fabricante #ISL6545CBZ-T
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Pacote SOIC-8
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Em Estoque5367
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Especificações
| Atributo | Valor |
| 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) | 4.5V ~ 14.4V |
| Frequency-Switching | 300kHz |
| DutyCycle(Max) | 100% |
| SynchronousRectifier | Yes |
| ClockSync | No |
| ControlFeatures | Current Limit, Enable |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Visão Geral
Description
Key features of the ISL6545CBZ-T include:
1. PWM Control: Facilitates efficient voltage conversion with minimal power loss.
2. Synchronous Rectification: Enhances efficiency by reducing diode losses, particularly important in high-current applications.
3. Adjustable Output Voltage: Allows the user to set the desired output voltage level.
4. Overcurrent Protection: Safeguards the system by limiting current under fault conditions.
5. Integrated Soft-Start: Gradually increases the output voltage during startup to prevent inrush currents.
6. Thermal Protection: Shuts down the device if the temperature exceeds a safe threshold.
These features make the ISL6545CBZ-T suitable for a variety of applications where efficient power conversion and precise control are required.
Equivalent
Features
1. Dual-Output Capability: It can manage two synchronous buck converters or one buck converter plus one standard linear regulator.
2. Wide Input Voltage Range: Operates efficiently with input voltages ranging from 4.5V to 28V, making it suitable for a variety of applications.
3. High Precision: Features a 0.8V reference voltage with ±1% accuracy for reliable performance.
4. Adjustable Switching Frequency: Supports switching frequencies from 200kHz to 1.5MHz, allowing for optimization of efficiency and size.
5. Voltage Feed-Forward Compensation: Designed to improve transient response over a broad range of input voltages.
6. Overcurrent Protection: Provides robust protection features, including cycle-by-cycle current limiting.
7. Soft-Start Feature: Integrates a programmable soft-start function to prevent inrush current during startup.
8. Thermal Shutdown: Includes thermal protection to safeguard the controller under excessive temperature conditions.
These features make the ISL6545CBZ-T suitable for a variety of consumer electronics, industrial, and computing applications.
Pinout
1. PWM Control: It regulates the output voltage in a DC-DC converter through pulse-width modulation.
2. Feedback Input: Ensures the output voltage remains stable by comparing it with a reference voltage.
3. Error Amplifier: Amplifies the difference between the feedback voltage and the reference voltage.
4. Oscillator: Sets the switching frequency for PWM operation.
5. Soft Start: Gradually increases the output voltage during startup to prevent inrush current.
6. Overcurrent Protection: Prevents damage by shutting down the converter in the event of excessive current.
These functions make it suitable for use in various applications, such as point-of-load regulators and other power management systems. For detailed pin configuration and specific functionalities, refer to the manufacturer's datasheet.