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TPS51218DSCR
+StücklisteIC REG CTRLR BUCK 10WSON
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HerstellerTexas Instruments
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Herstellerteil #TPS51218DSCR
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Paket WSON-10
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Auf Lager4073
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | D-CAP™ |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 4.5V ~ 6.5V |
| SynchronousRectifier | Yes |
| ClockSync | No |
| ControlFeatures | Enable, Frequency Control, Power Good |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 10-WFDFN Exposed Pad |
Übersicht
Description
The TPS51218DSCR supports a variety of applications, including notebook computers, digital TVs, and other portable consumer electronics, due to its compact size and high power efficiency. It includes multiple features such as an adjustable output voltage, soft-start, power-good signaling, and thermal shutdown protection to enhance performance and safety.
The device is housed in a small, thermally enhanced 10-pin QFN package (DSC), allowing for efficient heat dissipation and compact design. Its ease of use, combined with robust performance features, makes the TPS51218DSCR an ideal choice for designers seeking reliable power management solutions in space-constrained applications.
Equivalent
1. LTC3605 by Analog Devices: A high-efficiency monolithic synchronous step-down regulator.
2. MP2182 by Monolithic Power Systems: A synchronous step-down regulator with a similar feature set.
3. LM26400 by Texas Instruments: Another TI part with similar functionality.
4. MAX15021 by Maxim Integrated: A high-current, step-down DC-DC converter.
Always verify specifications to ensure compatibility with your application.
Features
1. Wide Input Voltage Range: Operates from 3 V to 24 V, supporting various power supply inputs.
2. Integrated Drivers: Facilitates high-side and low-side MOSFETs for efficient step-down conversion.
3. Adjustable Switching Frequency: Allows tuning between 200 kHz and 1.5 MHz for efficiency and size optimization.
4. D-CAP™ Mode: Delivers fast transient response and requires minimal external components, enhancing performance in dynamic environments.
5. Light Load Efficiency: Features Auto-Skip Eco-mode™ to maintain efficiency under light loads.
6. Adjustable Output Voltage: Supports outputs as low as 0.6 V, suitable for various applications.
7. Protection Features: Includes over-current, under-voltage, and thermal shutdown protections to ensure reliable operation.
8. Compact Package: Available in a small, thermally enhanced, 10-pin VSON package for space-constrained designs.
These features make the TPS51218DSCR a versatile choice for powering processors, FPGAs, and other digital circuits requiring high efficiency and compact form factors.
Pinout
1. VIN (Pin 1): Input voltage supply for the power stage.
2. EN (Pin 2): Enable pin for turning the controller on or off.
3. FB (Pin 3): Feedback pin used to set the output voltage.
4. COMP (Pin 4): Compensation pin for stabilizing the control loop.
5. GND (Pin 5): Ground reference for the device.
6. DRV (Pin 6): Drive pin for the external MOSFET gate.
7. VREG5 (Pin 7): Internal 5V regulator output used mainly to supply the gate drive.
8. PGOOD (Pin 8): Power good indicator that signals when the output voltage is within a certain range.
This configuration allows the TPS51218DSCR to efficiently regulate output voltage with features like soft-start, power good monitoring, and overcurrent protection.