TPS54418ARTER Bipolar Junction Transistor NPN PNP 200mW Texas Instruments
Brand Name:Texas Instruments
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Model Number:TPS54418ARTER
Minimum Order Quantity:1PCS
Delivery Time:2-7 work days
Payment Terms:T/T
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Shenzhen China
Address:
7F, Building F, Longjing Science park, 335 Bulong Road, Ma Antang Community, Bantian Street, Longgang District, Shenzhen, China
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NPN PNP Transistor Texas Instruments/TI TPS54418ARTER
| Vin (Min) (V) | 2.95 |
| Vin (Max) (V) | 6 |
| Vout (Min) (V) | 0.8 |
| Vout (Max) (V) | 4.5 |
| Iout (Max) (A) | 4 |
| Iq (Typ) (uA) | 350 |
| Switching frequency (Min) (kHz) | 200 |
| Switching frequency (Max) (kHz) | 2000 |
| Features | Enable, Frequency Synchronization, Power Good, Pre-Bias Start-Up, Synchronous Rectification, UVLO Adjustable, Soft Start Adjustable |
| Operating temperature range (C) | -40 to 150 |
| Rating | Catalog |
| Regulated outputs (#) | 1 |
Features for the TPS54418A
- Two, 30-mΩ (typical) MOSFETs for High-Efficiency at 4-A Loads
- Switching Frequency: 200 kHz to 2 MHz
- Voltage Reference Over Temperature: 0.8 V ± 1%
- Synchronizes to External Clock
- Adjustable Soft Start/Sequencing
- UV and OV Power-Good Output
- Low Operating and Shutdown Quiescent Current
- Safe Start-up into Prebiased Output
- Cycle-by-Cycle Current Limit, Thermal and Frequency Foldback Protection
- Operating Junction Temperature Range: –40°C to +150°C
- Thermally Enhanced 3 mm × 3 mm 16-pin WQFN Package
Description for the TPS54418A
TheTPS54418A device is a full-featured 6-V, 4-A, synchronous, step-down, current modeconverter with two integrated MOSFETs.
The TPS54418A device enables small designs by integrating the MOSFETs, implementingcurrent mode control to reduce external component count, reducing inductor size by enablingup to 2-MHz switching frequency, and minimizing the device footprint with a small, 3mm × 3 mm, thermally enhanced, QFN package.
The TPS54418A device provides accurate regulation for a variety of loads with an accurate±1% voltage reference (VREF) over temperature.
Efficiency is maximized through the integrated 30-mΩ MOSFETs and a 350-µA typical supplycurrent. Using the enable pin, shutdown supply current is reduced to 2 µA by entering a shutdownmode.
Undervoltage lockout is internally set at 2.6 V, but can be increased by programming thethreshold with a resistor network on the enable pin. The output voltage start-up ramp is controlledby the soft-start pin. An open-drain power good signal indicates the output is within 93% to 107%of its nominal voltage. Frequency foldback and thermal shutdown protects the device during anovercurrent condition.
TPS54418ARTER Bipolar Junction Transistor NPN PNP 200mW Texas Instruments
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