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LT3790EFE#TRPBF
IC REG CTRLR BUCK-BOOST 38TSSOP
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- Mfr. Part #LT3790EFE#TRPBF
- Package
- Datasheet
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Specifications
| Part Status | Active |
| Base Product Number | LT3790 |
| 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) | 4.7V ~ 60V |
| Frequency - Switching | 200kHz ~ 700kHz |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Control Features | Enable, Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 38-TSSOP-EP |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Overview
Description
Key features include a wide input voltage range, typically from 4.5V to 60V, and it can produce output voltages up to 60V. The device is capable of delivering high power, up to 100W, depending on the external components used. It employs a constant-frequency, current-mode control to ensure stable operation and robust performance across a range of conditions.
The LT3790EFE#TRPBF integrates several protection features, such as overcurrent protection, overvoltage protection, and thermal shutdown, enhancing its reliability in demanding environments. Its efficiency is bolstered by a synchronous rectification capability, reducing power loss during conversion.
With its compact 28-lead TSSOP package, the LT3790EFE#TRPBF is suitable for applications like industrial power supplies, battery-powered devices, and automotive systems. It is an ideal choice for designers requiring a flexible and efficient power conversion solution.
Features
Key features include current-mode control, which ensures accurate and stable operation, and programmable switching frequency ranging from 200kHz to 700kHz, allowing designers to optimize efficiency and performance. The device also integrates short-circuit and overtemperature protection, enhancing its reliability in harsh conditions. The LT3790EFE#TRPBF is capable of both constant-voltage and constant-current regulation, making it ideal for driving high-brightness LEDs and charging batteries.
Additional features include a programmable soft-start function to limit inrush current and spread spectrum frequency modulation to minimize electromagnetic interference (EMI). The package is a thermally enhanced 28-lead TSSOP, facilitating efficient heat dissipation. Overall, the LT3790EFE#TRPBF is a versatile solution for demanding power management applications.
Package
Pinout
Key features and functions of the LT3790 include:
1. Wide Input Voltage Range: It operates from 4.5V to 60V, making it suitable for a variety of applications.
2. Output Voltage and Current Control: It can regulate output voltage up to 60V and output current up to several amperes, depending on external components.
3. Switching Frequency: Adjustable from 100kHz to 1MHz, allowing optimization between efficiency and component size.
4. Current Mode Control: Provides excellent line and load regulation.
5. Protection Features: Includes overvoltage, overcurrent, and thermal shutdown protection.
6. PWM Dimming: Offers high-resolution dimming for LED applications.
These features make the LT3790 suitable for applications requiring high efficiency and reliability in power management.
Manufacturer
Application
Equivalent
1. Texas Instruments LM3429 - Similar multi-topology LED driver.
2. STMicroelectronics L6986 - A step-down switching regulator with similar functionality.
3. Infineon ILD6150 - A versatile LED driver with comparable features.
4. Analog Devices LT3755 - Another DC/DC converter and LED driver solution.
Always verify specifications and compatibility before selecting an alternative.
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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