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LT8640SIV#PBF
+StücklisteIC REG BUCK ADJUSTABLE 6A 24LQFN
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HerstellerAnalog Devices Inc.
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Herstellerteil #LT8640SIV#PBF
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Datenblatt LT8640SIV#PBF DataSheet
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Paket LQFN-24
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Auf Lager2048
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tray |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 3.4V |
| Voltage-Input(Max) | 42V |
| Voltage-Output(Min/Fixed) | 0.97V |
| Voltage-Output(Max) | 42V |
| Current-Output | 6A |
| Frequency-Switching | 200kHz ~ 3MHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 24-TFQFN Exposed Pad |
Übersicht
Description
Key features include a fast minimum on-time of 30ns, allowing high switching frequencies while maintaining high efficiency. The regulator also offers a programmable switching frequency from 200kHz to 3MHz, enabling designers to optimize efficiency and size according to application needs.
LT8640SIV#PBF offers additional functionalities such as soft-start to prevent inrush currents during startup, a power-good flag, and thermal protection. The Silent Switcher® architecture minimizes electromagnetic interference (EMI), making it suitable for noise-sensitive environments. Its compact 4mm x 4mm LQFN package further aids in space-constrained applications. This regulator is typically used in automotive, industrial, and telecom applications where efficiency, size, and EMI performance are critical.
Equivalent
Features
1. Input Voltage Range: 3.4V to 42V, making it suitable for automotive, industrial, and other applications requiring a wide input range.
2. Output Current: Capable of delivering up to 5A of continuous output current.
3. Efficiency: High efficiency up to 95% due to its synchronous rectification and low quiescent current design.
4. Switching Frequency: Programmable between 200kHz and 3MHz, allowing optimization for efficiency or component size.
5. Silent Switcher® Architecture: Provides low EMI emissions, which is beneficial for noise-sensitive applications.
6. Fast Transient Response: Due to its high-bandwidth error amplifier.
7. Low Dropout Operation: Maintains regulation at low dropout voltages.
8. Protection Features: Includes overcurrent, overtemperature, and short-circuit protection.
9. Package: Comes in a compact 4mm × 4mm LQFN package.
These features make the LT8640SIV#PBF suitable for a wide range of applications where efficiency, compact size, and low noise are critical.
Pinout
Key functions and features include:
- Wide input voltage range: 3V to 42V
- Output voltage range: 0.97V to 15V
- High efficiency: up to 95%
- Fast minimum on-time of 40ns allows high step-down ratios even at high frequencies
- Low quiescent current: 2.5µA in Burst Mode operation
- Adjustable and syncable switching frequency (200kHz to 3MHz)
- Internal compensation and soft-start
- Short-circuit protection, thermal shutdown, and power good indicator
- Compact package: 24-lead 3mm × 4mm LQFN
The LT8640SIV#PBF is suitable for applications like automotive, industrial, and distributed power systems where high efficiency and compact size are essential.