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LT8705EFE
IC REG BUCK
- Fabricante
- Mfr. Parte #LT8705EFE
- Paquete
- Hoja de datos
- En stock9214
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Especificaciones
| Part Status | Obsolete |
| Output Type | Transistor Driver |
| Function | Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Buck-Boost |
| Number of Outputs | 2 |
| Output Phases | 2 |
| Voltage - Supply (Vcc/Vdd) | 2.8V ~ 80V |
| Frequency - Switching | 100kHz ~ 400kHz |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Control Features | Enable, Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad |
| Supplier Device Package | 38-TSSOP-EP |
| Base Product Number | LT8705 |
Descripción general
Description
Key features include adjustable output voltage, fast transient response, and a built-in soft-start function to minimize inrush current. It also supports a wide selection of output capacitors, including ceramic, which enhances design flexibility. The LT8705EFE comes with features such as overvoltage protection, thermal shutdown, and a power good indicator, ensuring robust performance and safety in demanding applications.
Designed for ease of use, the LT8705EFE includes a simple pin configuration and comes in a compact package, facilitating integration into space-constrained designs. Overall, it is an ideal choice for engineers seeking a reliable and efficient solution for high-voltage power conversion.
Features
1. Wide Input Voltage Range: Operates from 3.5V to 60V, accommodating various power sources.
2. Buck-Boost Operation: Supports both buck (step-down) and boost (step-up) configurations, ideal for applications with variable input/output levels.
3. High Efficiency: Offers efficiency up to 95%, minimizing heat generation and improving battery charging speed.
4. Programmable Charge Current: Supports adjustable charge current settings for flexible battery management.
5. Integrated Power FETs: Reduces external component count and board space.
6. Battery Protection Features: Includes over-voltage, under-voltage, and thermal protection to ensure safe operation.
7. I2C Communication: Allows for monitoring and control of charger parameters via a digital interface.
8. Small Package Size: Available in a compact 32-pin LQFP package, facilitating easy integration into space-constrained designs.
These features make the LT8705EFE suitable for a variety of applications, including portable devices and energy harvesting systems.
Package
Pinout
The primary functions of the pins include:
1. Power Input/Output: Pins for VIN (input voltage) and VOUT (output voltage) connections.
2. Control: EN (enable) pin for turning the device on/off, and pins for setting the switching frequency.
3. Feedback: FB pins for voltage feedback, allowing for output voltage regulation.
4. Sensing: Pins for current sensing and compensation to ensure stable operation.
5. Switch Control: SW pins for connecting to the internal power switches and inductor.
6. Fault Protection: Pins for thermal shutdown and overvoltage protection.
Overall, the LT8705EFE is designed for applications requiring efficient power conversion between varying input and output voltages.
Manufacturer
Application
Equivalent
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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