| Model Number |
| B5973D |
L7981TR |
| Model Name |
| STMicroelectronics B5973D |
STMicroelectronics L7981TR |
| Category |
| DC-DC Converters |
DC-DC Converters |
| Brand |
| STMicroelectronics |
STMicroelectronics |
| Description |
| Step-down type Adjustable 2A 4V~36V 1.235V~35V HSOP-8-EP DC-DC Converters ROHS |
Step-down type Adjustable 4.5V~28V 3A 600mV~28V VFQFPN-8(3x3) DC-DC Converters ROHS |
| RoHS |
| Lead free / RoHS Compliant |
Lead free / RoHS Compliant |
| Unit |
| Piece |
Piece |
| Weight: |
| 0.001 grams / 0.000035 oz |
0.465 grams / 0.016402 oz |
| Package / Case |
| HSOP-8-EP |
VFQFPN-8(3x3) |
| Package / Arrange |
| Tube-packed |
Tape & Reel (TR) |
| Battery |
| No |
No |
| ECCN |
| - |
EAR99 |
| Synchronous Rectification |
| NO |
NO |
| Function |
| Step-down type |
Step-down type |
| Operating Temperature |
| -40℃~+150℃@(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 |
| Adjustable |
Adjustable |
| Output Current (Max) |
| 2A |
3A |
| Input Voltage |
| 4V~36V |
4.5V~28V |
| Output Voltage |
| 1.235V~35V |
600mV~28V |
| Switching Frequency |
| 250kHz |
1MHz |
