| Model Number |
| RT9992ZQW |
RT7273GQW |
| Model Name |
| Richtek Tech RT9992ZQW |
Richtek Tech RT7273GQW |
| Category |
| DC-DC Converters |
DC-DC Converters |
| Brand |
| Richtek Tech |
Richtek Tech |
| Description |
| Buck-boost type 2.7V~5.5V WQFN-32-EP(4x4) DC-DC Converters ROHS |
Step-down type Adjustable 800mV~17V 4.5V~18V WQFN-40(6x6) DC-DC Converters ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 0.100 grams / 0.003527 oz |
0.150 grams / 0.005291 oz |
| Package / Case |
| WQFN-32-EP(4x4) |
WQFN-40(6x6) |
| Package / Arrange |
| Tape & Reel (TR) |
Tape & Reel (TR) |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
EAR99 |
| Synchronous Rectification |
| Yes |
Yes |
| Function |
| Buck-boost type |
Step-down type |
| Operating Temperature |
| -40℃~+85℃@(TA) |
-40℃~+85℃@(TA) |
| Number of Outputs |
| 7 |
3 |
| Topology |
| Step-down;Boost;Step-down-Boost |
Step-down |
| Switch tube (built-in/external) |
| 内置 |
内置 |
| Output Current (Max) |
| - |
3A;2A |
| Input Voltage |
| 2.7V~5.5V |
4.5V~18V |
| Switching Frequency |
| 1MHz;2MHz |
2.2MHz |
