Parameters |
Factory Lead Time |
1 Week |
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 |
Published |
2013 |
JESD-609 Code |
e3 |
Part Status |
Active |
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 |
ROHS3 Compliant |
LTC3859ALHFE#PBF Overview
Capsuled in the 38-TFSOP (0.173, 4.40mm Width) Exposed Pad package, the switching controller can be used for a wide range of applications. There is sufficient capacity to generate switching controller for outputs 3. PMIC is packaged in a solid enclosure of Tube. There are Transistor Driver dc switching's output (s) that it can handle. DC control operates at 4.5V~38V volts and has 4.5V~38V supply voltage. A -40°C~150°C TJ dc switcher is not a problem. Using this switching controller, it is possible to switch at 115kHz~835kHz 350kHz~535kHz. As it has a Surface Mount value, it can be used for general dc dc regulator. To provide efficient switching control, Enable, Frequency Control, Power Good, Soft Start, Tracking is included in the dcdc regulator. An analog IC SWITCHING CONTROLLER is connected to the switch converters. The switching converters's terminal (s) are designed at DUAL . A variety of dc switching's functions can be performed on 38 terminations. The control methods that these dc dc converter ics use include PULSE WIDTH MODULATION. DC switcher's voltage input of 12V. A search for "LTC3859" will reveal other relevant dc to dc converter ics. Particularly, switching converter is a type of Switching Regulator or Controllers. 4.5V should be the minimum input voltage for the dc dc voltage regulator.
LTC3859ALHFE#PBF Features
Transistor Driver Outputs
Switching Frequency: 115kHz~835kHz 350kHz~535kHz
Enable, Frequency Control, Power Good, Soft Start, Tracking
PULSE WIDTH MODULATION
LTC3859ALHFE#PBF Applications
There are a lot of Linear Technology/Analog Devices LTC3859ALHFE#PBF DC to DC converter applications.
- Product testing
- Wide-range voltage regulation circuits
- Production lines
- Hydrogen power
- Driver circuits
- Electric heating, lighting
- Medical monitoring systems
- Plate bending machines
- Geothermal power
- Arc suppression circuits