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LTC4227CUFD-2#TRPBF
+NomenclatureIC HOT SWAP CTRLR GP 20QFN
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #LTC4227CUFD-2#TRPBF
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Fiche technique LTC4227CUFD-2#TRPBF DataSheet
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Package QFN-204X5
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En stock7513
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR) |
| Part Status | Active |
| Type | Hot Swap Controller, OR Controller |
| Number of Channels | 1 |
| Internal Switch(s) | No |
| Applications | General Purpose |
| Features | Auto Retry, UVLO |
| Programmable Features | Current Limit, Fault Timeout, Slew Rate |
| Voltage - Supply | 2.9V ~ 18V |
| Operating Temperature | 0°C ~ 70°C |
| Supply Current | 2 mA |
| Mounting Type | Surface Mount |
Présentation
Description
Equivalent
1. Maxim Integrated MAX5939: Offers similar hot swap functionality.
2. Texas Instruments LM5069: Another hot swap controller with comparable features.
3. On Semiconductor NIS5112: Provides similar protection and control features.
4. Microchip Technology MIC2587: Another alternative for hot swap applications.
Always check the datasheets to ensure compatibility with your specific requirements.
Features
1. Dual Ideal Diode Control: Manages two external N-channel MOSFETs to act as ideal diodes, minimizing forward voltage drop and power dissipation.
2. Reverse Input Protection: Automatically prevents reverse current flow, protecting the circuit from potential damage.
3. Load Sharing: Facilitates load sharing between supplies, ensuring smooth power transition and reliability.
4. Fast Turn-Off: The fast turn-off feature quickly disconnects the MOSFETs during a short-circuit or reverse current event.
5. Wide Operating Voltage Range: Supports a broad input supply range, enhancing versatility for various applications.
6. Undervoltage Lockout (UVLO): Prevents operation under insufficient voltage conditions, ensuring system stability.
7. Thermal Protection: Includes mechanisms to prevent overheating, thereby extending the device's operational lifespan.
8. Compact Package: Offered in a 24-lead (4mm × 5mm) QFN package, saving board space in compact designs.
This combination of features makes it suitable for applications in telecom, automotive, and industrial systems.
Pinout
Key functions include:
1. Inrush Current Limiting: It manages inrush current during power-up to prevent damage.
2. Overcurrent Protection: It detects and responds to overcurrent conditions to avoid damage to the circuit.
3. Undervoltage and Overvoltage Protection: It ensures the circuit operates within safe voltage limits.
4. Fault Management: It provides fault diagnostics and can latch off or retry after fault conditions.
5. Power Good and Status Outputs: These outputs indicate circuit status and readiness.
These features make the LTC4227 suitable for high-availability systems where reliability and protection are critical during hot swapping operations.