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ISL81801FRTZ-T
+Stückliste80V BI-DIRECTIONAL BUCK-BOOST CO
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HerstellerRenesas Electronics Corporation
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Herstellerteil #ISL81801FRTZ-T
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Auf Lager16776
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
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Spezifikationen
| Attribut | Wert |
| PartStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck-Boost |
| NumberofOutputs | 1 |
| OutputPhases | 2 |
| Voltage-Supply(Vcc/Vdd) | 4.5V ~ 80V |
| Frequency-Switching | 100kHz ~ 600kHz |
| SynchronousRectifier | Yes |
| ClockSync | Yes |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 32-WFQFN Exposed Pad |
| SupplierDevicePackage | 32-TQFN (5x5) |
| BaseProductNumber | ISL81801 |
| ControlFeatures | Current Limit, Enable, Off Time Control, On Time Control, Phase Control, Power Good, Power On Reset, Pulse Skipping, Ramp, Sequencing, Soft Start, Tracking |
Übersicht
Description
Key features include a peak current mode control architecture, which provides excellent load response and transient performance. The device supports a wide input voltage range, typically from 4.5V to 80V, and can drive two independent outputs or be configured for a dual-phase single output. It features programmable switching frequency, adjustable soft-start, and various protection mechanisms such as overcurrent, overvoltage, and thermal protection to ensure reliable operation.
The ISL81801FRTZ-T is designed for easy implementation, with features that facilitate its use in complex power management systems, making it an ideal choice for designers looking for flexibility and robustness in their power supply solutions.
Equivalent
1. Texas Instruments: LM5143-Q1, a dual synchronous buck controller.
2. Analog Devices: LTC3892, a dual output synchronous step-down DC/DC controller.
3. ON Semiconductor: NCP81234, a dual synchronous buck controller.
Each alternative may have slight variations in specifications, so it's important to verify compatibility with the intended application.
Features
1. Wide Input Voltage Range: Operates from 4.5V to 80V, suitable for various applications.
2. Dual Outputs: Can drive two independent outputs or a single output using current sharing.
3. Synchronous Operation: Improves efficiency by using synchronous rectification.
4. High Performance: Supports high switching frequencies up to 2MHz, allowing for smaller external components.
5. Current Sensing: Incorporates DCR or resistor current sensing for accurate load management.
6. Protection Features: Includes overcurrent protection, overvoltage protection, undervoltage lockout, and thermal shutdown.
7. Flexible Configuration: Offers flexibility in output voltage configuration using external resistors.
8. Synchronization Capability: Can be synchronized to an external clock for noise-sensitive applications.
9. Power-Good Indicator: Provides a power-good signal to indicate the status of the output voltage.
10. Package: Available in a compact TQFN package, suitable for space-constrained designs.
These features make the ISL81801FRTZ-T suitable for industrial, telecommunications, and consumer applications requiring reliable voltage regulation.
Pinout
Manufacturer
Application
1. Telecommunications Equipment: For efficient power conversion and management.
2. Industrial Power Supplies: Used in systems requiring robust, reliable power delivery.
3. Automotive Systems: For powering various electronic components with stable voltage.
4. Data Centers and Servers: Efficient power management for servers and networking equipment.
5. Consumer Electronics: Provides stable power to complex electronic devices.
6. Medical Devices: Supplies consistent power to sensitive medical equipment.
Its versatility, efficiency, and robust design make it suitable for various high-performance power management applications.