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TPS53219ARGTR
+StücklisteIC REG CTRLR BUCK 16QFN
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HerstellerTexas Instruments
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Herstellerteil #TPS53219ARGTR
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Paket QFN-16
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Auf Lager7401
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | D-CAP™, Eco-Mode™ |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 25V |
| Frequency - Switching | 500kHz |
| Duty Cycle(Max) | 90% |
| Synchronous Rectifier | Yes |
| Clock Sync | No |
| Control Features | Enable, Frequency Control, Power Good, Soft Start |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Übersicht
Description
Key features include a wide input voltage range, typically between 4.5V and 28V, which makes it suitable for use with standard power supplies. It supports output voltage adjustments from 0.6V to 5.5V, making it adaptable for different application requirements. The controller features adaptive on-time D-CAP2™ mode control for a fast transient response, reduced external component count, and ease of use. Moreover, its integrated MOSFET drivers and minimal external component requirements simplify design and reduce board space.
The TPS53219ARGTR also includes protections such as overcurrent, overvoltage, undervoltage, and thermal shutdown to enhance reliability and durability. These characteristics make it ideal for use in computing, consumer electronics, and telecom infrastructures where efficient power delivery is crucial.
Equivalent
1. Maxim MAX17502: Ultra-low quiescent current, high-efficiency synchronous step-down DC-DC converter.
2. ON Semiconductor NCP3163: A versatile, high-frequency PWM step-down switching regulator.
3. Diodes Inc. AP65211: A 3A synchronous step-down converter with adjustable output voltage.
4. Infineon IR3891: A high-efficiency, easy-to-use synchronous buck regulator.
These alternatives offer similar functionalities for power management applications.
Features
Key features include a selectable switching frequency range of 250kHz to 1.5MHz, which allows for optimization between efficiency and external component size. The adaptive on-time control architecture minimizes the need for complex compensation, enhancing reliability and ease of use.
For power saving, the device incorporates an Eco-mode™ for improved light-load efficiency and offers an adjustable soft-start feature to control inrush current during power-up. Protection mechanisms include programmable overcurrent protection, undervoltage lockout, and thermal shutdown. Additionally, it operates over a wide temperature range, enhancing versatility in various environments.
The TPS53219ARGTR is ideal for applications in computing, networking, and telecom equipment, where high efficiency and compact design are crucial.
Pinout
The functions of the TPS53219ARGTR include synchronous buck regulation, allowing it to efficiently convert a higher input voltage to a lower output voltage. It features an adaptive on-time D-CAP™ mode for fast transient response and supports a wide input voltage range, enabling it to cater to various power supply applications. Key functionalities include a high-speed error amplifier, integrated high-side and low-side MOSFET drivers, and accurate voltage regulation.
In summary, the TPS53219ARGTR is a 20-pin, high-efficiency buck controller suitable for applications requiring precise voltage regulation and fast transient response.