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LTC3614IUDD
IC REG BUCK ADJ 4A 24QFN
- Fabricante
- Mfr. Parte #LTC3614IUDD
- Paquete
- Hoja de datos
- En stock6076
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Especificaciones
| Part Status | Obsolete |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.25V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.6V |
| Voltage - Output (Max) | 5.5V |
| Current - Output | 4A |
| Frequency - Switching | 300kHz ~ 4MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 24-WFQFN Exposed Pad |
| Supplier Device Package | 24-QFN (3x5) |
| Base Product Number | LTC3614 |
Descripción general
Description
Key features include low quiescent current in low-load conditions, burst mode operation to enhance efficiency at light loads, and thermal shutdown for protection. The LTC3614IUDD is housed in a compact 4mm x 4mm QFN package, making it suitable for space-constrained applications. It is commonly used in telecommunications, data communications, and general-purpose power supply designs.
Features
1. Power Supply: Operates from a 2.25V to 5.5V input voltage range and delivers an output voltage as low as 0.6V.
2. Output Current: Capable of providing up to 4A continuous output current.
3. Efficiency: High efficiency at light loads due to its Burst Mode operation, which reduces power loss.
4. Frequency: Switching frequency is adjustable from 400 kHz to 4 MHz, allowing for compact solution size.
5. Low Dropout: Very low dropout operation, extending battery life in portable applications.
6. Thermal Management: Comes with a thermal shutdown feature to prevent overheating.
7. Protection: Features include overcurrent protection and soft-start to minimize inrush current.
8. Package: Available in a compact, thermally enhanced 20-lead 3mm × 4mm QFN package.
These features make the LTC3614IUDD suitable for portable electronics, embedded systems, and other applications requiring efficient power management in a compact form factor.
Package
Pinout
Key functions of the LTC3614 include:
- Input voltage range from 2.25V to 5.5V, making it suitable for single cell Li-Ion applications, as well as 3.3V and 5V systems.
- Output voltage range from 0.6V to 5V.
- High efficiency due to its synchronous rectification architecture.
- Programmable frequency from 400kHz to 4MHz, allowing for optimization between efficiency and component size.
- Internal compensation to simplify design and reduce external components.
- Current mode operation for fast transient response and good loop stability.
- Soft-start capability to prevent inrush currents during startup.
- Power good output to indicate when the output voltage is in regulation.
These features make the LTC3614 suitable for various applications, including telecom, server, and industrial systems.
Manufacturer
Application
Equivalent
1. Texas Instruments TPS54622: A 6-A, synchronous step-down converter.
2. Analog Devices ADP2389: A 15-A, synchronous step-down DC-DC regulator.
3. Maxim Integrated MAX17504: A high-efficiency, 3.3V to 60V, 25µA IQ, synchronous step-down converter.
These alternatives offer similar functionalities but may differ in features like voltage range, current capacity, or package type. Always check the datasheets for specific differences.
Envío
Métodos de envíoNosotros
ofrecer servicios de envío globales a través de DHL, FedEx, TNT, UPS, o cualquier otro expediente de su elección.
Referencia de tarifas de envío (DHL/FedEx):
DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.
FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.
Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.
Pagos
Payment Methods
El plazo de pago es 100% prepagado.
Actualmente, solo aceptamos los siguientes métodos de pago:
1. de PayPal
2. Tarjeta de crédito/débito
3. Transferencia bancaria
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