Abbildungen dienen nur als Referenz
TPS40057PWPR
+StücklisteIC REG CTRLR BUCK 16HTSSOP
-
HerstellerTexas Instruments
-
Herstellerteil #TPS40057PWPR
-
Paket HTSSOP-16
-
Auf Lager6990
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| 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) | 8V ~ 40V |
| Frequency - Switching | Up to 1MHz |
| Duty Cycle(Max) | 94% |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Control Features | Current Limit, Enable, Frequency Control, Soft Start |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Übersicht
Description
Equivalent
Features
1. Wide Input Voltage Range: It operates effectively over a broad input voltage range, making it versatile for various applications.
2. High Efficiency: The synchronous rectification and PWM control contribute to high efficiency in power conversion.
3. Programmable Switching Frequency: Users can set the switching frequency between 100 kHz and 600 kHz to optimize performance according to specific application requirements.
4. Voltage Regulation: It offers precise voltage regulation, supporting a wide output voltage range, which is beneficial for different load requirements.
5. Current Limit Protection: Incorporates programmable current limit protection ensuring the safety and reliability of the power supply.
6. Soft Start Capability: This feature allows for a controlled ramp-up of the output voltage, reducing inrush current and enhancing reliability.
7. Thermal Shutdown: The device includes an over-temperature protection mechanism to prevent damage due to excessive heat.
These features make the TPS40057PWPR suitable for use in a variety of high-performance power management applications.
Pinout
1. BOOT: Bootstrap for the high-side gate drive.
2. VIN: Supply voltage input.
3. OUT: Output voltage sense.
4. VDD: Internal regulator output.
5. UVLO: Undervoltage lockout and shutdown.
6. RT: Oscillator frequency programming.
7. COMP: Error amplifier compensation.
8. FB: Feedback input.
9. SS/ENA: Soft-start and enable.
10. PGND: Power ground.
11. GND: Signal ground.
12. SYNC: Synchronization input.
13. ILIM/SD: Current limit and shutdown.
14. DH: High-side MOSFET gate drive.
15. DL: Low-side MOSFET gate drive.
16. PH: Switch node connection for power inductor.
Each pin has a specific function that helps in regulating the output voltage, managing feedback, synchronization, and various protective features.