LT8570EMS8E-1#PBF
ActiveBOOST/SEPIC/INVERTING DC/DC CONVERTER WITH 65V SWITCH, SOFT-START AND SYNCHRONIZATION
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LT8570EMS8E-1#PBF
ActiveBOOST/SEPIC/INVERTING DC/DC CONVERTER WITH 65V SWITCH, SOFT-START AND SYNCHRONIZATION
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Technical Specifications
Parameters and characteristics for this part
| Specification | LT8570EMS8E-1#PBF |
|---|---|
| Current - Output | 375 mA |
| Frequency - Switching [Max] | 1.5 MHz |
| Frequency - Switching [Min] | 200 kHz |
| Function | Step-Up, Step-Up/Step-Down |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 125 ¯C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | Positive or Negative |
| Output Type | Adjustable |
| Package / Case | Exposed Pad, 8-TSSOP, 8-MSOP |
| Package / Case [custom] | 0.118 in, 3 mm |
| Supplier Device Package | 8-MSOP-EP |
| Synchronous Rectifier | False |
| Topology | Boost, Cuk, Charge Pump, SEPIC |
| Voltage - Input (Min) [Min] | 2.55 V |
| Voltage - Output (Max) | 65 V |
| Voltage - Output (Min/Fixed) [Max] | 1.204 V |
| Voltage - Output (Min/Fixed) [Min] | 0.003 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tube | 1 | $ 8.35 | |
| 10 | $ 5.74 | |||
| 25 | $ 5.07 | |||
| 100 | $ 4.31 | |||
| 250 | $ 3.94 | |||
| 500 | $ 3.72 | |||
| 1000 | $ 3.54 | |||
| 2500 | $ 3.40 | |||
Description
General part information
LT8570 Series
The LT8570 and LT8570-1 are PWM DC/DC converters. The LT8570 contains a 0.5A, 65V power switch, while the LT8570-1 contains a 0.25A, 65V power switch. The LT8570 and LT8570-1 can be configured as either a boost, SEPIC or inverting converter.The LT8570/LT8570-1 have an adjustable oscillator, set by a resistor from the RT pin to ground. Additionally, the LT8570/LT8570-1 can be synchronized to an external clock. The switching frequency of the part may be free running or synchronized, and can be set between 200kHz and 1.5MHz.The LT8570/LT8570-1 also feature innovative SHDN pin circuitry that allows for slowly varying input signals and an adjustable undervoltage lockout function.Additional features such as frequency foldback and softstart are integrated. The LT8570/LT8570-1 are available in tiny thermally enhanced 3mm × 3mm 8-lead DFN and 8-lead MSOP packages.ApplicationsVFD Bias SuppliesTFT-LCD Bias SuppliesGPS ReceiversDSL ModemsLocal Power Supply
Documents
Technical documentation and resources