| Model Number |
| PM6644TR |
L4971D |
| Model Name |
| STMicroelectronics PM6644TR |
STMicroelectronics L4971D |
| Category |
| DC-DC Converters |
DC-DC Converters |
| Brand |
| STMicroelectronics |
STMicroelectronics |
| Description |
| Step-down type 可调和固定 900mV~8V 4.5V~25V 350mA DFN-10-EP(3x3) DC-DC Converters ROHS |
Step-down type Adjustable 8V~55V 3.3V~50V 1.5A SO-16-300mil DC-DC Converters ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 0.001 grams / 0.000035 oz |
11.400 grams / 0.402124 oz |
| Package / Case |
| DFN-10-EP(3x3) |
SO-16-300mil |
| Package / Arrange |
| Tape & Reel (TR) |
Tube-packed |
| Battery |
| No |
No |
| ECCN |
| EAR99 |
EAR99 |
| Synchronous Rectification |
| Yes |
NO |
| Function |
| Step-down type |
Step-down type |
| Operating Temperature |
| -40℃~+125℃@(TJ) |
-40℃~+150℃@(TJ) |
| Number of Outputs |
| 1 |
1 |
| Topology |
| Step-down |
Step-down |
| Switch tube (built-in/external) |
| 内置 |
内置 |
| Output Type |
| 可调和固定 |
Adjustable |
| Output Voltage |
| 900mV~8V |
3.3V~50V |
| Input Voltage |
| 4.5V~25V |
8V~55V |
| Output Current (Max) |
| 350mA |
1.5A |
| Switching Frequency |
| 600kHz |
300kHz |
