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TPS60231RGTR
+Lista de MateriaisIC LED DRV RGLTR PWM 25MA 16VQFN
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FabricanteTexas Instruments
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Peça do Fabricante #TPS60231RGTR
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Type | DC DC Regulator |
| Topology | Switched Capacitor (Charge Pump) |
| Internal Switch(s) | Yes |
| Number of Outputs | 3 |
| Voltage - Supply (Min) | 2.7V |
| Voltage - Supply (Max) | 6.5V |
| Voltage - Output | 5.5V |
| Current - Output / Channel | 25mA |
| Frequency | 1MHz |
| Dimming | PWM |
| Applications | Backlight |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 16-VFQFN Exposed Pad |
| Supplier Device Package | 16-VQFN (3x3) |
| Base Product Number | TPS60231 |
Visão Geral
Description
Key features of the TPS60231 include low quiescent current, high power efficiency (up to 90%), and a fixed 1 MHz switching frequency, which helps in minimizing the size of external components. It also offers short-circuit protection, over-temperature protection, and under-voltage lockout to ensure reliable operation under various conditions. The device is housed in a compact 16-pin QFN package, making it suitable for space-constrained applications. Overall, the TPS60231RGTR is a versatile and efficient solution for battery-operated devices requiring stable LED backlighting.
Equivalent
1. MAX1759 from Maxim Integrated: Offers similar charge pump voltage regulation capabilities.
2. LTC3204 from Analog Devices: A low-noise, step-up charge pump that can be used in similar applications.
3. MCP1252 from Microchip Technology: Provides similar functionality with low-noise performance.
Always check specific datasheets for exact equivalency in features and performance.
Features
1. Output Voltage: It provides a regulated output voltage, typically set at 5V.
2. Input Voltage Range: Operates efficiently with an input voltage range from 1.8V to 5.25V.
3. Efficiency: Offers high efficiency, generally over 90%, by automatically switching between 1x, 1.5x, and 2x modes.
4. Output Current: Supports an output current up to 100mA.
5. Low Noise Operation: Designed for low noise operation, making it suitable for noise-sensitive applications.
6. Quiescent Current: Features low quiescent current, enhancing battery life in portable applications.
7. Protection Features: Includes overcurrent, overtemperature, and short-circuit protection to ensure reliable operation.
8. Package: Comes in a compact 16-pin QFN package, which is suitable for space-constrained designs.
9. Applications: Ideal for use in portable devices, such as smartphones and tablets, where efficient power conversion is crucial.
These features make the TPS60231RGTR suitable for various low-power and portable applications requiring efficient voltage regulation.
Pinout
The key functions of the TPS60231RGTR include:
1. Voltage Boosting: It can generate a higher output voltage from a lower input voltage, which is useful for powering devices that require a stable voltage supply.
2. High Efficiency: The device operates with high efficiency, which is critical for battery-powered applications to ensure prolonged battery life.
3. Low Noise: Designed to minimize output voltage ripple, making it suitable for noise-sensitive applications.
4. Load Regulation: Provides excellent load regulation, ensuring a stable output even with varying load conditions.
5. Soft Start: Includes a soft-start feature to prevent inrush current at startup, protecting the device and connected components.
For detailed pin functionalities and electrical characteristics, consulting the datasheet is advisable.