As members of the SWIFT family of dc/dc regulators, the TPS54110 low-input-voltage high-output-current synchronous-buck PWM converter integrates all required active components. Included on the substrate with the listed features are a true, high-performance, voltage error amplifier that provides high performance under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally and externally set slow-start circuit to limit in-rush currents; and a power-good output useful for processor/logic reset, fault signaling, and supply sequencing.
The TPS54110 device is available in a thermally enhanced 20-pin TSSOP (PWP) PowerPAD™. package, which eliminates bulky heatsinks. TI provides evaluation modules and the SWIFT designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.
PowerPAD and SWIFT are trademarks of Texas Instruments.
| Vin (min) (V) | 3 |
| Vin (max) (V) | 6 |
| Vout (min) (V) | 0.9 |
| Vout (max) (V) | 3.3 |
| Iout (max) (A) | 1.5 |
| Iq (typ) (mA) | 4.2 |
| Switching frequency (min) (kHz) | 280 |
| Switching frequency (max) (kHz) | 700 |
| Features | Enable, Frequency synchronization, Power good, Synchronous Rectification |
| Operating temperature range (°C) | -40 to 125 |
| Rating | Automotive |
| Regulated outputs (#) | 1 |
| Control mode | Voltage mode |
| Duty cycle (max) (%) | 90 |
| Type | Converter |
| HTSSOP (PWP) | 20 | 41.6 mm² 6.5 x 6.4 |
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