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MAX5974AETE+T
+Lista de MateriaisIC OFFLINE SWITCH FWD 16TQFN
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FabricanteAnalog Devices Inc./Maxim Integrated
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Peça do Fabricante #MAX5974AETE+T
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Pacote WFQFN-16
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Em Estoque5697
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputIsolation | Isolated |
| InternalSwitch(s) | No |
| Topology | Forward |
| Voltage-StartUp | 16 V |
| Voltage-Supply(Vcc/Vdd) | 7V ~ 26V |
| DutyCycle | 80% |
| Frequency-Switching | 100kHz ~ 600kHz |
| FaultProtection | Current Limiting, Over Temperature, Short Circuit |
| ControlFeatures | EN, Frequency Control, Soft Start, Sync |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| Package/Case | 16-WFQFN Exposed Pad |
| SupplierDevicePackage | 16-TQFN (3x3) |
Visão Geral
Description
Equivalent
1. TPS23754 from Texas Instruments
2. LTC4267 from Analog Devices
3. Si3404 from Silicon Labs
These ICs offer similar functionalities for PoE applications, but specific features and performance can vary, so it's essential to compare datasheets to ensure compatibility with your design requirements.
Features
1. IEEE 802.3af/at Compliance: Supports PoE, ensuring compatibility with industry standards for power delivery over Ethernet cables.
2. Integrated DC-DC Controller: Optimized for isolated and non-isolated power-supply topologies, enhancing power efficiency and simplifying design.
3. High-Efficiency Operation: Designed to provide high efficiency across a wide range of load conditions, reducing heat and improving system reliability.
4. Programmable Frequency and Slope Compensation: Offers flexibility and stability in system design by allowing frequency adjustments and slope compensation setup.
5. Adjustable Current Limit: Protects against over-current conditions, enhancing system safety and reliability.
6. Thermal Shutdown Protection: Prevents damage from excessive temperatures, providing robust protection under fault conditions.
7. Integrated High-Voltage Startup Circuit: Facilitates start-up directly from the PoE voltage, simplifying the power-on sequence.
These features make the MAX5974AETE+T suitable for applications in PoE-powered devices, particularly where efficiency and compliance with PoE standards are critical.
Pinout
Key functions of the MAX5974AETE+T include:
- It is optimized for active-clamped forward and flyback converters.
- It features programmable switching frequency, cycle-by-cycle current limit, and a hiccup-mode overload protection.
- It supports a wide input voltage range and provides high efficiency across varied loads.
- The device includes various protection features such as overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown.
This controller is ideal for power supplies used in networking, telecom, and datacom applications due to its high efficiency and flexibility.