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LT3580IMS8E
+Lista de MateriaisIC REG MULTI CONFG ADJ 2A 8MSOP
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #LT3580IMS8E
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Pacote MSOP-8
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Em Estoque3473
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Especificações
| Atributo | Valor |
| Package / Case | Tube |
| Part Status | Obsolete |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive or Negative |
| Topology | Boost, SEPIC |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.5V |
| Voltage - Input (Max) | 32V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | 42V (Switch) |
| Current - Output | 2A (Switch) |
| Frequency - Switching | 200kHz ~ 2MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
The LT3580IMS8E features an integrated switch, Schottky diode, and control circuitry, which simplifies the design and reduces the need for external components. It operates with a wide input voltage range and can deliver output voltages up to 40V. Additionally, the device supports both boost and inverting converter applications, providing flexibility for different design requirements.
Key features include a high switching frequency of up to 2MHz, which allows for the use of small external components, and a soft-start capability that helps to limit inrush current during startup. The device also provides over-temperature and over-current protection, enhancing its reliability in demanding environments. Its compact MSOP-8 package makes it suitable for space-constrained applications.
Equivalent
Features
1. Wide Input Voltage Range: Operates from 2.5V to 32V, accommodating various power sources.
2. Adjustable Output Voltage: Can produce outputs up to 34V, making it versatile for different applications.
3. Integrated Power Switch: Features a 1.5A, 42V switch for efficient power conversion.
4. High Efficiency: Operates at efficiencies up to 90% to minimize power loss and heat generation.
5. Low Quiescent Current: Consumes only 70µA, enhancing battery life in portable devices.
6. Current Mode Control: Provides excellent line and load regulation, facilitating stable operation.
7. Programmable Switching Frequency: Adjustable between 200kHz and 2.5MHz to optimize performance and minimize interference.
8. Soft-Start Feature: Reduces inrush current during startup, protecting components.
9. Thermal Shutdown: Built-in thermal protection enhances reliability by preventing overheating.
10. Compact Package: Available in an 8-lead MSOP package, suitable for space-constrained designs.
Overall, the LT3580IMS8E is ideal for applications demanding efficient, reliable, and flexible power conversion solutions.
Pinout
The LT3580 has 8 pins, each serving specific functions:
1. SW (Pin 1): Switch pin for the internal power switch.
2. GND (Pin 2): Ground pin.
3. FB (Pin 3): Feedback pin, used to set the output voltage via a resistor divider network.
4. SHDN (Pin 4): Shutdown pin; active low to disable the device.
5. VC (Pin 5): Compensation pin used for loop stability and transient response optimization.
6. VIN (Pin 6): Input voltage supply pin.
7. RT (Pin 7): Resistor timing pin to set the switching frequency.
8. NC (Pin 8): No internal connection.
The LT3580 is versatile, capable of step-up, step-down, or inverting configurations, making it suitable for a variety of DC-DC conversion applications.