| Vin (Min) (V) | 4.5 |
| Vin (Max) (V) | 20 |
| Vout (Min) (V) | 0.9 |
| Vout (Max) (V) | 12 |
| Iout (Max) (A) | 3 |
| Iq (Typ) (uA) | 5000 |
| Switching frequency (Min) (kHz) | 250 |
| Switching frequency (Max) (kHz) | 700 |
| Features | Enable, Frequency Synchronization, Phase Interleaving, Power Good, Synchronous Rectification |
| Rating | Catalog |
| Regulated outputs (#) | 1 |
| Control mode | Voltage Mode |
| Duty cycle (Max) (%) | 80 |
- 100 m
, 4.5-A Peak MOSFET Switch for High Efficiency at 3-A Continuous Output Current - Uses External Lowside MOSFET or Diode
- Output Voltage Adjustable Down to 0.891 V With 1% Accuracy
- Synchronizes to External Clock
- 180° Out of Phase Synchronization
- Wide PWM Frequency – Fixed 250 kHz, 500 kHz or Adjustable 250 kHz to 700 kHz
- Internal Slow Start
- Load Protected by Peak Current Limit and Thermal Shutdown
- Adjustable Undervoltage Lockout
- 16-Pin TSSOP PowerPAD? Package
- APPLICATIONS
- Industrial & Commercial Low Power Systems
- LCD Monitors and TVs
- Computer Peripherals
- Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors
PowerPAD and SWIFT are trademarks of Texas Instruments.
The TPS54350 is a medium output current synchronous buck PWM converter with an integrated high side MOSFET and a gate driver for an optional low side external MOSFET. Features include a high performance voltage error amplifier that enables maximum performance under transient conditions and flexibility in choosing the output filter inductors and capacitors. The TPS54350 has an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 4.5 V; an internal slow-start circuit to limit in-rush currents; and a power good output to indicate valid output conditions. The synchronization feature is configurable as either an input or an output for easy 180° out of phase synchronization.
The TPS54350 device is available in a thermally enhanced 16-pin TSSOP (PWP) PowerPAD? package. 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.
