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LM2854TL
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Category:Audio amplifier
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Product Name:Buck regulator
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Manufacturers:NSC
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Production Batch Number:10+
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Encapsulation:TSSOP
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Stock Status:There is stock
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Stock Quantity:3000
- Minimum order quantity: 1
- Details:
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peculiarity
- Input voltage range of 2.95V to 5.5V
- The maximum load current is 4A
- Wide bandwidth voltage mode control loop with partial internal compensation
- The fixed switching frequency is 500 kHz or 1 MHz
- 35mΩ integrated MOSFET switch
- The adjustable output voltage is as low as 0.8V
- Optimized initial accuracy and temperature drift of the reference voltage
- Control de arranque suave externo y capacidad de seguimiento
- Habilitar el pin de histéresis
- The low standby current is 230μA
- Pre-bias load start-up function
- Combined UVLO, OCP and thermal shutdown
- 100% duty cycle capability
- eTSSOP - 16 bare pad package
illustrate
PowerWise en LM2854 ® SIMPLE SWITCHER ® El regulador reductor es un regulador de conmutación reductora de 500 kHz o 1 MHz que impulsa una capacidad de carga de hasta 4A con una excelente eficiencia de conversión de energía, regulación de línea y carga, y precisión de salida. El LM2854 acepta rieles de voltaje de entrada entre 2.95V y 5.5V y proporciona voltajes de salida ajustables de hasta 0.8V con alta precisión. Externamente establecido un arranque suave con un condensador pequeño facilita el arranque del control y el LM2854 es la capacidad de comenzar a ingresar el voltaje de salida presesgado normalmente. La compensación interna parcial reduce el número de componentes pasivos externos y el espacio de la placa de circuito impreso que normalmente se requiere en las aplicaciones de convertidores reductores en modo de voltaje, pero mantiene la flexibilidad para manejar la capacitancia de carga cerámica y / o electrolítica. El límite de corriente máxima ciclo por ciclo sin pérdidas se utiliza para proteger las cargas de fallas por sobrecorriente o cortocircuito, lo que permite a los comparadores simplificar las aplicaciones de secuenciación. El LM2854 está disponible en un paquete TSSOP-16 con una almohadilla expuesta, lo que mejora el rendimiento del regulador.
apply
- Bajo voltaje de 5V o 3.3V POL calibre de hierro
- Las soluciones locales son núcleo FPGA/DSP/ASIC/μP o alimentación de E/S
- Broadband networks and communications infrastructure
- Laptops
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illustrate |
LM2854TL |
NSC |
10+ |
TSSOP |
Buck regulator |
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