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LT3663EDCB-3.3
IC REG BUCK 3.3V 1.2A 8DFN
- Manufacturer
- Mfr. Part #LT3663EDCB-3.3
- Package
- Datasheet LT3663EDCB-3.3 DataSheet
- In Stock6094
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Specifications
| Part Status | Obsolete |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 7.5V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Current - Output | 1.2A |
| Frequency - Switching | 1MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 8-WFDFN Exposed Pad |
| Supplier Device Package | 8-DFN (2x3) |
| Base Product Number | LT3663 |
Overview
Description
Key features include its ability to maintain high efficiency over a broad load range, with typical applications in distributed power systems, portable electronics, and automotive environments. The LT3663EDCB-3.3 offers protection features such as thermal shutdown, cycle-by-cycle current limiting, and soft-start to prevent inrush current at startup. Its small footprint, combined with a minimal number of external components, makes it an attractive choice for compact designs where space is constrained.
Overall, the LT3663EDCB-3.3 provides a reliable and efficient solution for managing power in applications requiring a stable 3.3V output from a higher voltage source.
Features
1. Input Voltage Range: It supports a wide input voltage range from 4.5V to 36V, making it suitable for a variety of applications, including automotive and industrial systems.
2. Output Current: It can deliver up to 1.2A of continuous output current, effectively powering medium-load applications.
3. Efficiency: The regulator is designed for high efficiency, reaching up to 90%, which helps in reducing power loss and heat generation.
4. Switching Frequency: It operates at a fixed switching frequency of 1MHz, which allows for smaller external components and compact design.
5. Low Dropout Operation: The device features low dropout operation, extending battery life in portable applications.
6. Protection Features: It includes built-in protection mechanisms like thermal shutdown, cycle-by-cycle current limit, and soft-start to prevent damage during fault conditions.
7. Package: The LT3663EDCB-3.3 is available in a compact 3mm × 3mm DFN package, supporting efficient heat dissipation and space-saving designs.
These features make the LT3663EDCB-3.3 a versatile choice for applications requiring reliable 3.3V power delivery.
Package
Pinout
1. VIN: Input voltage supply.
2. SW: Switch node, connects to the inductor.
3. GND: Ground reference for the device.
4. BST: Boost pin for higher efficiency.
5. FB: Feedback pin for output voltage regulation.
6. RT: Sets the oscillator frequency.
7. VOUT: Output voltage.
8. NC (No Connect): Not connected internally, provided for convenience.
9. PG: Power good indicator.
10. EN/UVLO: Enable/Under-voltage Lockout pin.
These functions allow the LT3663EDCB-3.3 to efficiently manage power conversion processes, ensuring stable output for downstream components. Always refer to the specific datasheet for detailed pin configuration and application guidelines.
Manufacturer
Application
Equivalent
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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