LTC3857EUH#PBF
| Parameters | |
|---|---|
| Factory Lead Time | 1 Week |
| Lifecycle Status | PRODUCTION (Last Updated: 3 weeks ago) |
| Mounting Type | Surface Mount |
| Package / Case | 32-WFQFN Exposed Pad |
| Surface Mount | YES |
| Number of Pins | 32 |
| Operating Temperature | -40°C~125°C TJ |
| Packaging | Tube |
| Published | 2012 |
| Series | PolyPhase® |
| JESD-609 Code | e3 |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 32 |
| ECCN Code | EAR99 |
| Terminal Finish | Matte Tin (Sn) |
| Subcategory | Switching Regulator or Controllers |
| Technology | CMOS |
| Terminal Position | QUAD |
| Peak Reflow Temperature (Cel) | 260 |
| Terminal Pitch | 0.5mm |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Base Part Number | LTC3857 |
| Function | Step-Down |
| Number of Outputs | 2 |
| Output Voltage | 24V |
| Output Type | Transistor Driver |
| Input Voltage-Nom | 12V |
| Number of Channels | 1 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Output Configuration | Positive |
| Voltage - Supply (Vcc/Vdd) | 4V~38V |
| Control Features | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking |
| Input Voltage (Min) | 4V |
| Topology | Buck |
| Control Mode | CURRENT-MODE |
| Frequency - Switching | 105kHz~835kHz 350kHz~535kHz |
| Input Voltage (Max) | 38V |
| Control Technique | PULSE WIDTH MODULATION |
| Synchronous Rectifier | Yes |
| Switcher Configuration | PHASE-SHIFT |
| Max Frequency | 850kHz |
| Duty Cycle (Max) | 99.4% |
| Clock Sync | No |
| Height Seated (Max) | 0.8mm |
| Length | 5mm |
| Width | 5mm |
| REACH SVHC | No SVHC |
| RoHS Status | ROHS3 Compliant |
LTC3857EUH#PBF Overview
With a 32-WFQFN Exposed Pad package, the switching controller is suitable for a wide range of applications. For 2 outputs, the dc motor controller is appropriate. PMIC packaging is solid with a Tube enclosure. It is capable of dealing with Transistor Driver dc switching's output (s). dc switching'sA 4V~38V voltage is supplied to the dc control and used for operating it. Worked in a -40°C~125°C TJ dc switcher before. With this switching controller, you can switch at 105kHz~835kHz 350kHz~535kHz. As it has a Surface Mount value, it can be used for general dc dc regulator. Featured in the dcdc regulator is Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking which allows efficient switching control. Switch converters are connected to ICs with SWITCHING CONTROLLER analog outputs. A switching converters's terminal (s) sits at the QUAD position. A variety of terminations with 32 of dc switching. This dc dc converter ic uses a variety of control techniques, including PULSE WIDTH MODULATION. DC switcher's input voltageis set to 12V. You can find other relevant dc to dc converter ics by searching "LTC3857". Total pins of switching converter are 32. Specifically, switching converter falls under the Switching Regulator or Controllers category. This dc dc voltage regulator should be powered by a voltage of 4V. Statistically, DC regulator outputs 24V volts. It should be noted that the dc to dc regulator only accepts 38V voltage as input voltage. DC regulators have a maximum frequency of 850kHz. It belongs to the PolyPhase? series of dc to dc voltage regulator. Communication on 1 channels is high-quality.
LTC3857EUH#PBF Features
Transistor Driver Outputs
Switching Frequency: 105kHz~835kHz 350kHz~535kHz
Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking
PULSE WIDTH MODULATION
LTC3857EUH#PBF Applications
There are a lot of Linear Technology/Analog Devices LTC3857EUH#PBF DC to DC converter applications.
- Special machining machine tools
- Imported equipment
- Textile machinery
- Smoke prevention equipment
- Balance equipment
- Surface processing equipment
- Machining centers
- seismic instrument power circuits
- Low output voltage switching power supply circuits
- Die casting equipment
