LTC3859ALHFE
| Parameters | |
|---|---|
| Mounting Type | Surface Mount |
| Package / Case | 38-TFSOP (0.173, 4.40mm Width) Exposed Pad |
| Surface Mount | YES |
| Operating Temperature | -40°C~150°C TJ |
| Packaging | Tube |
| JESD-609 Code | e3 |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 38 |
| ECCN Code | EAR99 |
| Terminal Finish | Matte Tin (Sn) |
| Subcategory | Switching Regulator or Controllers |
| Technology | CMOS |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Base Part Number | LTC3859 |
| Function | Step-Down, Step-Up/Step-Down |
| Number of Outputs | 3 |
| Output Type | Transistor Driver |
| Input Voltage-Nom | 12V |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Output Configuration | Positive |
| Voltage - Supply (Vcc/Vdd) | 4.5V~38V |
| Control Features | Enable, Frequency Control, Power Good, Soft Start, Tracking |
| Input Voltage (Min) | 4.5V |
| Topology | Buck, Buck-Boost, SEPIC |
| Control Mode | CURRENT-MODE |
| Frequency - Switching | 115kHz~835kHz 350kHz~535kHz |
| Control Technique | PULSE WIDTH MODULATION |
| Synchronous Rectifier | Yes |
| Duty Cycle (Max) | 99%, 100% |
| Clock Sync | No |
| Output Phases | 2 |
| Length | 9.7mm |
| Width | 4.4mm |
| RoHS Status | Non-RoHS Compliant |
LTC3859ALHFE Overview
The switching controller fits in the 38-TFSOP (0.173, 4.40mm Width) Exposed Pad package and is ideal for most applications. For 3 outputs, the dc motor controller is appropriate. An enclosure of Tube is used to package the PMIC. Transistor Driver dc switching's outputs (s) can be handled by it. Voltages 4.5V~38V are the dc control's supply voltage and operating voltage, respectively. Qualified to work in a -40°C~150°C TJ dc switcher. Switching can be done at 115kHz~835kHz 350kHz~535kHz with this switching controller. A generalization of dc dc regulator can be made using Surface Mount. The dcdc regulator features Enable, Frequency Control, Power Good, Soft Start, Tracking for efficient switching control. Thare switch converters are connected to an analog integrated circuit (IC) of type SWITCHING CONTROLLER. Thare switching converters has a terminal (s) at DUAL . 38 terminations with a variety of function. These dc dc converter ics adapt several control methods, including PULSE WIDTH MODULATION. A DC switcher's nominal voltage of 12V is input. Search for "LTC3859" to find other relevant dc to dc converter ics. Specially, switching converter corresponds to type Switching Regulator or Controllers. Input voltage of dc dc voltage regulator must be 4.5V.
LTC3859ALHFE Features
Transistor Driver Outputs
Switching Frequency: 115kHz~835kHz 350kHz~535kHz
Enable, Frequency Control, Power Good, Soft Start, Tracking
PULSE WIDTH MODULATION
LTC3859ALHFE Applications
There are a lot of Linear Technology/Analog Devices LTC3859ALHFE DC to DC converter applications.
- Series voltage regulation circuits
- Remotely powered electric motors
- Industrial controllers
- Motor controller circuits
- Arc suppression circuits
- Medical monitoring systems
- Digital video recorders
- Textile machinery
- Wind power
- Constant current circuits
