TPS40305
3-V- bis 20-V-, 25-A-, 1,2-MHz-Synchron-Abwärtsregler mit FSS
TPS40305
- Input Voltage Range From 3 V to 20 V
- 300-kHz (TPS40303), 600-kHz (TPS40304), and 1.2-MHz (TPS40305) Switching Frequencies
- High- and Low-Side FET RDS(on) Current Sensing
- Programmable Thermally Compensated OCP Levels
- Programmable Soft Start
- 600-mV, 1% Reference Voltage
- Voltage Feed-Forward Compensation
- Supports Prebiased Output
- Frequency Spread Spectrum
- Thermal Shutdown Protection at 145°C
- 10-Pin 3-mm × 3-mm VSON Package With Ground Connection to Thermal Pad
- Create a Custom Design Using the TPS4030x With the WEBENCH® Power Designer
The TPS4030x is a family of cost-optimized synchronous buck controllers that operate from 3-V to 20-V input. The controller implements a voltage-mode control architecture with input-voltage feed-forward compensation that responds instantly to a change in input voltage. The switching frequency is fixed at 300 kHz, 600 kHz, or 1.2 MHz.
The frequency spread-spectrum (FSS) feature adds to the switching frequency, significantly reducing the peak EMI noise and making it much easier to comply with EMI standards.
The TPS4030x offers design with a variety of user-programmable functions, including soft start, overcurrent protection (OCP) levels, and loop compensation.
OCP level may be programmed by a single external resistor connected from the LDRV pin to circuit ground. During initial power on, the TPS4030x enters a calibration cycle, measures the voltage at the LDRV pin, and sets an internal OCP voltage level. During operation, the programmed OCP voltage level is compared to the voltage drop across the low-side FET when it is on to determine whether there is an overcurrent condition. The TPS4030x then enters a shutdown and restart cycle until the fault is removed.
Technische Dokumentation
Typ | Titel | Datum | ||
---|---|---|---|---|
* | Data sheet | TPS4030x 3-V to 20-V Input, Voltage Mode, Synchronous Buck Controller datasheet (Rev. D) | PDF | HTML | 12 Mär 2018 |
User guide | TPS40305 Buck Controller Evaluation Module User's Guide (Rev. A) | PDF | HTML | 12 Jan 2022 | |
Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
Selection guide | DC/DC Buck Controller Solutions Selection Guide | 06 Feb 2018 | ||
Application note | SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC | 22 Feb 2016 | ||
EVM User's guide | CSD163CEVM-591 User's Guide | 02 Mär 2010 | ||
EVM User's guide | TPS40304EVM-353 User's Guide | 18 Feb 2010 |
Design und Entwicklung
Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.
TPS40305EVM-488 — 8–14 V Vin, 1,8 V Vout, Synchron-Abwärtswandler-Evaluierungsmodul mit NexFET™-Leistungs-MOSFET
The TPS40305EVM-488 evaluation module (EVM) is a synchronous buck converter providing a fixed 1.8-V output at up to 10A from a 12-V input bus. The EVM is designed to start-up from a single supply; so, no additional bias voltage is required for start-up. The module uses the TPS40305 high (...)
TPS40305 TINA-TI Start-up Reference Design
TPS40305 TINA-TI Steady State Reference Design
TPS40305 Unencrypted PSpice Transient Model Package (Rev. A)
Gehäuse | Pins | CAD-Symbole, Footprints und 3D-Modelle |
---|---|---|
VSON (DRC) | 10 | Ultra Librarian |
Bestellen & Qualität
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