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LT3790EFE#PBF
+NomenclatureIC REG CTRLR BUCK-BOOST 38TSSOP
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #LT3790EFE#PBF
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Fiche technique LT3790EFE#PBF DataSheet
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En stock8705
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Spécifications
| Attribut | Valeur |
| Part Status | Active |
| 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 / Case | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 38-TSSOP-EP |
| Base Product Number | LT3790 |
Présentation
Description
Key features include a programmable frequency operation, support for dimming through PWM (Pulse Width Modulation) and an adjustable output current, making it versatile for different applications. The LT3790EFE#PBF also includes protections against overvoltage, overcurrent, and thermal shutdown, enhancing the reliability of the LED lighting system.
The device comes in a thermally enhanced 16-lead TSSOP package, facilitating easy integration into compact designs. Overall, the LT3790EFE#PBF is suitable for applications in automotive lighting, architectural lighting, and general illumination where high efficiency and precise current control are required.
Equivalent
Features
1. Input Voltage Range: Supports 4.5V to 60V, making it versatile for various applications.
2. Output Current: Capable of driving up to 1.5A of output current, suitable for high-power LED configurations.
3. Constant Current Regulation: Ensures stable LED brightness with built-in current regulation.
4. Switching Frequency: Adjustable frequency up to 1MHz, allowing for optimized performance and smaller component sizes.
5. Open LED Protection: Prevents damage in case of an open LED condition.
6. Thermal Shutdown: Integrated thermal protection to prevent overheating.
7. Wide Dimming Range: Supports both analog and PWM dimming, offering flexibility in brightness control.
8. Compact Package: Available in a thermally enhanced 16-lead TSSOP package, facilitating space-efficient designs.
These features make the LT3790EFE#PBF suitable for various applications, including automotive, industrial, and architectural lighting.
Pinout
Key functions of the pins include:
- Input Voltage (VIN): Provides the operating voltage.
- Ground (GND): Common ground reference.
- SW (Switch): Connects to the inductor for boost topology.
- CSN/ CSP (Current Sense): Used for current sensing to regulate LED current.
- COMP (Compensation): For stability in control loops.
- Rset (Setting Resistor): Sets the LED current.
- PWM (Pulse Width Modulation): Controls LED brightness.
- EN (Enable): Activates or deactivates the driver.
- ISET (Current Setting): Sets the output current.
- VOUT (Output Voltage): Connects to the LED load.
The LT3790EFE#PBF offers various features for flexible design in LED applications while ensuring efficiency and reliability.