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LT8640IUDC#PBF
IC REG BUCK ADJ 5A 20QFN
- Manufacturer
- Mfr. Part #LT8640IUDC#PBF
- Package
- Datasheet LT8640IUDC#PBF DataSheet
- In Stock3679
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Specifications
| Series | Silent Switcher®1 |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3.4V |
| Voltage - Input (Max) | 42V |
| Voltage - Output (Min/Fixed) | 0.97V |
| Voltage - Output (Max) | 42V |
| Current - Output | 5A |
| Frequency - Switching | 210kHz ~ 2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 20-WFQFN, 18 Leads, Exposed Pad |
| Supplier Device Package | 20-QFN (3x4) |
| Base Product Number | LT8640 |
Overview
Description
Key features include low quiescent current, enabling high efficiency during light loads, and a unique design that minimizes external components, allowing for compact layouts. The LT8640 also incorporates advanced protection features such as thermal shutdown, short-circuit protection, and overvoltage protection to ensure reliability.
With its switching frequency of up to 2MHz, the LT8640 allows for smaller inductors and capacitors, further optimizing space and performance in applications like point-of-load converters. This makes it a popular choice among engineers looking for a robust, efficient power management solution.
Features
1. Input Voltage Range: Operates from 3.4V to 15V.
2. Output Voltage: Adjustable output from 0.8V to 10V.
3. Max Output Current: Supports up to 3A continuous output current.
4. High Efficiency: Up to 95% efficiency, reducing heat generation.
5. Silent Operation: Features a low-noise operation mode for sensitive applications.
6. Low Ripple: Minimal output ripple voltage, ideal for RF and precision applications.
7. Fast Transient Response: Excellent transient performance for dynamic loads.
8. Thermal Protection: Integrated thermal shutdown for improved reliability.
9. Compact Package: Available in a thermally enhanced 12-lead LQFN package.
10. Soft-Start Feature: Prevents input current inrush during start-up.
These features make the LT8640IUDC#PBF suitable for a variety of applications, including battery-powered devices, automotive systems, and industrial equipment.
Package
Pinout
1. Input Voltage Range: It can operate with a wide input voltage range, suitable for various applications.
2. Output Voltage Regulation: It provides adjustable output voltage, allowing flexibility in design.
3. High Efficiency: The LT8640 is designed to deliver high efficiency, which helps in thermal management.
4. Low Output Ripple: It features low output ripple voltage, improving performance in sensitive applications.
5. Power Good Signal: It includes a Power Good output for monitoring.
6. Soft-Start Function: This helps in controlling inrush current during startup.
The pin configuration includes inputs for VIN, GND, SW, and various control and feedback pins, facilitating ease of integration into power management systems. For specific pin assignments and detailed functionality, refer to the manufacturer's datasheet.
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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