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LTC3787EGN#TRPBF
IC REG CTRLR BOOST 28SSOP
- Fabricante
- Mfr. Parte #LTC3787EGN#TRPBF
- Paquete
- Hoja de datos LTC3787EGN#TRPBF DataSheet
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Especificaciones
| Series | PolyPhase® |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up |
| Output Configuration | Positive |
| Topology | Boost |
| Number of Outputs | 2 |
| Output Phases | 2 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 38V |
| Frequency - Switching | 105kHz ~ 760kHz |
| Duty Cycle (Max) | 96% |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 28-SSOP (0.154", 3.90mm Width) |
| Supplier Device Package | 28-SSOP |
| Base Product Number | LTC3787 |
Descripción general
Description
Key features include a wide input voltage range, high output current capability, and integrated power switches to reduce external component count. The device supports a variety of output voltage settings, which can be adjusted using external resistors. It also includes features like soft start, over-voltage protection, and thermal shutdown to enhance reliability and performance.
The LTC3787 operates at high efficiency, which is crucial for maintaining battery life in portable applications. Its compact package and robust performance make it a popular choice for designers looking to implement efficient power conversion solutions in their systems.
Features
1. Wide Input Voltage Range: Operates from 2.5V to 18V, suitable for battery-powered devices.
2. Output Voltage Regulation: Can deliver adjustable output voltages up to 30V, allowing flexibility for different applications.
3. High Efficiency: Achieves efficiencies greater than 95%, minimizing heat generation.
4. Switching Frequency: Operates at a selectable frequency of up to 1MHz, enabling the use of smaller inductors and capacitors.
5. Synchronous Operation: Utilizes N-channel MOSFETs for improved efficiency compared to traditional boost converters.
6. Current Limit and Thermal Protection: Built-in features to prevent damage from overcurrent and overheating.
7. Compact Package: Available in a 16-lead TSSOP package, which is suitable for space-constrained designs.
These features make the LTC3787EGN#TRPBF ideal for portable devices, LED drivers, and other applications requiring efficient voltage boosting.
Package
Pinout
The key functions of these pins include:
1. VIN: Input voltage supply.
2. SW: Switch node for inductor connection.
3. GND: Ground reference.
4. VOUT: Output voltage feedback.
5. COMP: Compensation network connection for stability.
6. VC: Control voltage for the internal PWM.
7. ISET: Current sense setting.
8. RAMP: Timing capacitor connection for frequency control.
9. SENSE: Current sensing.
10. SS: Soft-start control.
11. PG: Power good indicator.
12. EN: Enable pin for power control.
13. FB: Feedback pin for output voltage regulation.
14. RT: Frequency setting resistor connection.
15. BOOT: Bootstrap capacitor connection for high-side gate drive.
16. ISEN: Input current sensing.
17. RCS: Current sensing resistor connection.
18. SYN: Synchronization signal input.
19. OVLO: Overvoltage lockout threshold setting.
20. TS: Temperature sensing input.
For complete specifications, refer to the manufacturer's datasheet.
Manufacturer
Application
Equivalent
1. TPS61030 - Texas Instruments
2. LT1302 - Linear Technology (now part of Analog Devices)
3. MAX1771 - Maxim Integrated
4. MIC2253 - Microchip Technology
Always verify specifications like input/output voltage, current ratings, and feature sets for compatibility.
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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