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TPS54340BDDAR / Switching Voltage Regulators 42-V input, 3.5-A
The TPS54340B is a 42-V, 3.5-A, step-down regulator with an integrated high side MOSFET. Current mode control provides simple external compensation and flexible component selection. A low ripple pulse skip mode reduces the no-load supply current to 146 μA. Shutdown supply current is reduced to 2 μA when the enable pin is pulled low.
Undervoltage lockout is internally set at 4.3 V but can be increased using the enable pin. The output voltage start-up ramp is internally controlled to provide a controlled start-up and eliminate overshoot.
A wide switching-frequency range allows either efficiency or external component size to be optimized. Frequency foldback and thermal shutdown protect internal and external components during an overload condition.
The TPS54340B is available in an 8-pin thermally enhanced HSOIC PowerPAD™ package.
| Product Attribute | Attribute Value |
|---|---|
| Texas Instruments | |
| Product Category: | Switching Voltage Regulators |
| RoHS: | Details |
| SMD/SMT | |
| SO-PowerPad-8 | |
| Buck | |
| 800 mV to 41.1 V | |
| 3.5 A | |
| 1 Output | |
| 4.5 V | |
| 42 V | |
| 146 uA | |
| 100 kHz to 2.5 MHz | |
| - 40 C | |
| + 150 C | |
| TPS54340B | |
| Reel | |
| Cut Tape | |
| MouseReel | |
| Brand: | Texas Instruments |
| Input Voltage: | 4.5 V to 42 V |
| Moisture Sensitive: | Yes |
| Operating Supply Current: | 146 uA |
| Product Type: | Switching Voltage Regulators |
| Shutdown: | Shutdown |
| Factory Pack Quantity: | 2500 |
| Subcategory: | PMIC - Power Management ICs |
| Supply Voltage - Min: | 4.5 V |
| Type: | DC/DC Converter |
| Unit Weight: | 0.003457 oz |
