| Model Number |
| RT8237HGQW(2) |
RT9992ZQW |
| Model Name |
| Richtek Tech RT8237HGQW(2) |
Richtek Tech RT9992ZQW |
| Category |
| DC-DC Converters |
DC-DC Converters |
| Brand |
| Richtek Tech |
Richtek Tech |
| Description |
| Step-down type 4.5V~5.5V WDFN-10(3x3) DC-DC Converters ROHS |
Buck-boost type 2.7V~5.5V WQFN-32-EP(4x4) DC-DC Converters ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 1.000 grams / 0.035274 oz |
0.100 grams / 0.003527 oz |
| Package / Case |
| WDFN-10(3x3) |
WQFN-32-EP(4x4) |
| Package / Arrange |
| Tape & Reel (TR) |
Tape & Reel (TR) |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
EAR99 |
| Synchronous Rectification |
| Yes |
Yes |
| Function |
| Step-down type |
Buck-boost type |
| Operating Temperature |
| -40℃~+85℃@(TA) |
-40℃~+85℃@(TA) |
| Number of Outputs |
| 1 |
7 |
| Topology |
| Step-down |
Step-down;Boost;Step-down-Boost |
| Switch tube (built-in/external) |
| 外置 |
内置 |
| Input Voltage |
| 4.5V~5.5V |
2.7V~5.5V |
| Switching Frequency |
| 430kHz |
1MHz;2MHz |
