TPS54821RHLR
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | ACTIVE (Last Updated: 1 week ago) |
| Contact Plating | Gold |
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | 14-VFQFN Exposed Pad |
| Number of Pins | 14 |
| Operating Temperature | -40°C~125°C TJ |
| Packaging | Tape & Reel (TR) |
| Series | SWIFT™ |
| JESD-609 Code | e4 |
| Pbfree Code | yes |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) |
| Number of Terminations | 14 |
| ECCN Code | EAR99 |
| Terminal Position | QUAD |
| Terminal Form | NO LEAD |
| Peak Reflow Temperature (Cel) | 260 |
| Terminal Pitch | 0.5mm |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Base Part Number | TPS54821 |
| Function | Step-Down |
| Number of Outputs | 1 |
| Output Voltage | 15V |
| Output Type | Adjustable |
| Max Output Current | 8A |
| Voltage - Input (Min) | 4.5V |
| Input Voltage-Nom | 12V |
| Max Supply Voltage | 17V |
| Min Supply Voltage | 1.6V |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Output Configuration | Positive |
| Quiescent Current | 600μA |
| Max Output Voltage | 15V |
| Voltage - Output (Min/Fixed) | 0.6V |
| Topology | Buck |
| Control Mode | CURRENT-MODE |
| Frequency - Switching | 200kHz~1.6MHz |
| Control Technique | PULSE WIDTH MODULATION |
| Synchronous Rectifier | Yes |
| Min Output Voltage | 600mV |
| Max Junction Temperature (Tj) | 125°C |
| Height | 1mm |
| Length | 3.5mm |
| Width | 3.5mm |
| Thickness | 900μm |
| REACH SVHC | No SVHC |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
TPS54821RHLR Description
The TPS54821RHLR is a 4.5V to 17V input, 8A synchronous step down converter with hiccup in 14 pin VQFN package. It is optimized for small designs through high efficiency and integrating high side and low side MOSFETs. The output voltage start-up ramp is controlled by SS/TR pin which allows operation as either a standalone power supply or in tracking situations. Power sequencing is also possible by correctly configuring enable and open drain power good pins. Cycle by cycle current limiting on the high side FET protects IC in overload situations and is enhanced by a low side sourcing current limit which prevents current runaway. There is also a low side sinking current limit which turns off low side MOSFET to prevent excessive reverse current. Hiccup protection will be triggered if overcurrent condition has persisted for longer than preset time. It is used in digital TV power supplies, set top boxes, blu-ray DVDs, home terminals and high performance point of load regulation.
TPS54821RHLR Features
Integrated 26mohm / 19mohm MOSFETs, switching frequency of 1.6MHz
Split power rail of 1.6V to 17V on PVIN
Synchronizes to external clock
0.6V ±1% voltage reference over temperature
Low 2μA shutdown quiescent current
Monotonic start-up into pre-biased outputs
TPS54821RHLR Applications
Digital TV Power Supplies
Set Top Boxes
Blu-ray DVDs
Home Terminals
High Performance Point of Load Regulation
The TPS54821RHLR is a 4.5V to 17V input, 8A synchronous step down converter with hiccup in 14 pin VQFN package. It is optimized for small designs through high efficiency and integrating high side and low side MOSFETs. The output voltage start-up ramp is controlled by SS/TR pin which allows operation as either a standalone power supply or in tracking situations. Power sequencing is also possible by correctly configuring enable and open drain power good pins. Cycle by cycle current limiting on the high side FET protects IC in overload situations and is enhanced by a low side sourcing current limit which prevents current runaway. There is also a low side sinking current limit which turns off low side MOSFET to prevent excessive reverse current. Hiccup protection will be triggered if overcurrent condition has persisted for longer than preset time. It is used in digital TV power supplies, set top boxes, blu-ray DVDs, home terminals and high performance point of load regulation.
TPS54821RHLR Features
Integrated 26mohm / 19mohm MOSFETs, switching frequency of 1.6MHz
Split power rail of 1.6V to 17V on PVIN
Synchronizes to external clock
0.6V ±1% voltage reference over temperature
Low 2μA shutdown quiescent current
Monotonic start-up into pre-biased outputs
TPS54821RHLR Applications
Digital TV Power Supplies
Set Top Boxes
Blu-ray DVDs
Home Terminals
High Performance Point of Load Regulation
