TPS54336ADDAR
Active4.5V TO 28V INPUT, 3A, SYNCHRONOUS STEP-DOWN CONVERTER WITH ECO-MODE(TM)
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TPS54336ADDAR
Active4.5V TO 28V INPUT, 3A, SYNCHRONOUS STEP-DOWN CONVERTER WITH ECO-MODE(TM)
Technical Specifications
Parameters and characteristics for this part
| Specification | TPS54336ADDAR |
|---|---|
| Current - Output | 3 A |
| Frequency - Switching | 340 kHz |
| Function | Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Package / Case | 8-PowerSOIC |
| Package / Case [x] | 0.154 in |
| Package / Case [y] | 3.9 mm |
| Supplier Device Package | 8-SO PowerPad |
| Synchronous Rectifier | True |
| Topology | Buck |
| Voltage - Input (Max) [Max] | 28 V |
| Voltage - Input (Min) [Min] | 4.5 V |
| Voltage - Output (Max) | 24 V |
| Voltage - Output (Min/Fixed) | 0.8 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 1.91 | |
| 10 | $ 1.72 | |||
| 25 | $ 1.62 | |||
| 100 | $ 1.38 | |||
| 250 | $ 1.29 | |||
| 500 | $ 1.13 | |||
| 1000 | $ 0.94 | |||
| Digi-Reel® | 1 | $ 1.91 | ||
| 10 | $ 1.72 | |||
| 25 | $ 1.62 | |||
| 100 | $ 1.38 | |||
| 250 | $ 1.29 | |||
| 500 | $ 1.13 | |||
| 1000 | $ 0.94 | |||
| Tape & Reel (TR) | 2500 | $ 0.87 | ||
| 5000 | $ 0.84 | |||
| 7500 | $ 0.86 | |||
| Texas Instruments | LARGE T&R | 1 | $ 1.30 | |
| 100 | $ 1.07 | |||
| 250 | $ 0.77 | |||
| 1000 | $ 0.58 | |||
Description
General part information
TPS54336A Series
The TPS5433xA family of devices are synchronous converters with an input-voltage range of 4.5 to 28 V. These devices include an integrated low-side switching FET that eliminates the need for an external diode which reduces component count.
Efficiency is maximized through the integrated 128-mΩ and 84-mΩ MOSFETs, low IQand pulse skipping at light loads. Using the enable pin, the shutdown supply current is reduced to 2 μA. This step-down (buck) converter provides accurate regulation for a variety of loads with a well-regulated voltage reference that is 1.5% over temperature.
Cycle-by-cycle current limiting on the high-side MOSFET protects the TPS5433xA family of devices in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. A low-side sinking current-limit turns off the low-side MOSFET to prevent excessive reverse current. Hiccup protection is triggered if the overcurrent condition continues for longer than the preset time. Thermal shutdown disables the device when the die temperature exceeds the threshold and enables the device again after the built-in thermal hiccup time.
