| Parameters |
| Mfr |
Linear Technology |
| Series |
- |
| Package |
Bulk |
| Product Status |
Obsolete |
| Function |
Step-Up, Step-Up/Step-Down |
| Output Configuration |
Positive or Negative |
| Topology |
Boost, Cuk, Flyback, SEPIC |
| Output Type |
Adjustable |
| Number of Outputs |
1 |
| Voltage - Input (Min) |
3V |
| Voltage - Input (Max) |
40V |
| Voltage - Output (Min/Fixed) |
1.6V |
| Voltage - Output (Max) |
40V (Switch) |
| Current - Output |
5A (Switch) |
| Frequency - Switching |
100kHz ~ 1MHz |
| Synchronous Rectifier |
No |
| Operating Temperature |
-40°C ~ 125°C (TJ) |
| Mounting Type |
Surface Mount |
| Package / Case |
36-WFQFN, 28 Leads, Exposed Pad |
| Supplier Device Package |
36-QFN (5x6) |
| RoHS Status |
RoHS non-compliant |
| REACH Status |
Vendor Undefined |
| ECCN |
EAR99 |
| HTSUS |
8542.39.0001 |
| Other Names |
2156-LT3957EUHE#PBF |
| Standard Package |
1 |
Boost, Cuk, Flyback, SEPIC Switching Regulator IC Positive or Negative Adjustable 1.6V 1 Output 5A (Switch) 36-WFQFN, 28 Leads, Exposed Pad