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LMR14030SQDDAQ1
+StücklisteIC REG BUCK ADJ 3.5A 8SOPWR
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HerstellerTexas Instruments
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Herstellerteil #LMR14030SQDDAQ1
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Paket SOIC-8
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Auf Lager6349
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tube |
| Series | Automotive, AEC-Q100, SIMPLE SWITCHER® |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4V |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 28V |
| Current - Output | 3.5A |
| Frequency - Switching | 200kHz ~ 2.5MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Übersicht
Description
Key specifications include a 3.5 A continuous output current capability, an adjustable output voltage range from 0.8 V to 36 V, and a switching frequency of up to 2.1 MHz. The high-efficiency operation ensures minimal power loss and heat generation, which is crucial for space-constrained automotive environments.
The LMR14030SQDDAQ1 incorporates various protection features, such as cycle-by-cycle current limit, thermal shutdown, and short-circuit protection, enhancing its robustness and reliability. It also offers a low quiescent current, which helps in extending battery life in automotive applications. The package is a small footprint 8-pin SO PowerPAD, facilitating easy integration into compact designs.
Equivalent
Features
Additional features include a low standby current for improved efficiency in light-load conditions, an enable pin for system control, and a power-good output to indicate the status of the output voltage. It also includes protection features such as thermal shutdown, cycle-by-cycle current limit, and short-circuit protection. The device is available in a 10-pin WSON package, which provides a compact solution for space-constrained applications. Overall, the LMR14030SQDDAQ1 is optimized for use in automotive systems but is versatile enough for other demanding power management applications.
Pinout
Here is a concise summary of its pin functions:
1. VIN: Input voltage pin. Connects to the input power source.
2. EN: Enable pin. Used to turn the device on or off.
3. RT/CLK: Resistor timing and clock synchronization pin. Sets the switching frequency.
4. SW (Switch): Connects to the inductor for switching the regulator.
5. BOOT: Bootstrap capacitor connection. Provides the drive voltage for the high-side MOSFET.
6. GND: Ground pin. Common return for input and output.
7. FB: Feedback input pin. Connects to the output to set the output voltage.
8. COMP: Compensation pin. Used for stability and transient response tuning.
9. VCC: Internal regulator output. Bypassed with a capacitor.
10. PG (Power Good): Open-drain output indicating if the output voltage is within regulation.
These pins support the operation and control of the buck conversion process, catering to efficient power management in automotive systems.