Parameters |
Factory Lead Time |
1 Week |
Lifecycle Status |
PRODUCTION (Last Updated: 2 weeks ago) |
Mounting Type |
Surface Mount |
Package / Case |
32-WFQFN Exposed Pad |
Surface Mount |
YES |
Number of Pins |
32 |
Operating Temperature |
-55°C~150°C TJ |
Packaging |
Tube |
Published |
2006 |
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 |
Terminal Pitch |
0.5mm |
Base Part Number |
LTC3890 |
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 |
DUAL SWITCHING CONTROLLER |
Output Configuration |
Positive |
Voltage - Supply (Vcc/Vdd) |
4V~60V |
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) |
60V |
Control Technique |
PULSE WIDTH MODULATION |
Synchronous Rectifier |
Yes |
Switcher Configuration |
PHASE-SHIFT |
Max Frequency |
850kHz |
Duty Cycle (Max) |
99% |
Clock Sync |
No |
Height Seated (Max) |
0.8mm |
Length |
5mm |
Width |
5mm |
RoHS Status |
ROHS3 Compliant |
Lead Free |
Lead Free |
LTC3890MPUH#PBF Overview
This switching controller fits most application requirements since it is packaged in a 32-WFQFN Exposed Pad package. 2 outputs are supported by the dc motor controller. PMIC packaging is solid with a Tube enclosure. The system can process Transistor Driver dc switching's outputs (s). The supply and operating voltage of the dc control are 4V~60V. Worked in an dc switcher with a -55°C~150°C TJ rating. This switching controller can switch at 105kHz~835kHz 350kHz~535kHz. dc dc regulator is made easier with Surface Mount. Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking is used for efficient switching control in the dcdc regulator. Switch converters are connected to ICs with DUAL SWITCHING CONTROLLER analog outputs. There are a terminal (s) on the switching converters that are designed at QUAD. 32 terminations with various dc switching's functions. A few of the control techniques these dc dc converter ics adapt include PULSE WIDTH MODULATION. The DC switcher's nominal voltage is 12V. A search for "LTC3890" will reveal other relevant dc to dc converter ics. There are only 32 pins on switching converter. Switching converter type is specifically Switching Regulator or Controllers. 4V should be the minimum input voltage for the dc dc voltage regulator. A 24V voltage of DC regulator was detected in the test statistics. The dc to dc regulator is limited to 60V input voltage. There is a maximum frequency of 850kHz on this dc regulators. PolyPhase? series dc to dc voltage regulator belong to this series. It is recommended that there be 1 channels for high-quality communication.
LTC3890MPUH#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
LTC3890MPUH#PBF Applications
There are a lot of Linear Technology/Analog Devices LTC3890MPUH#PBF DC to DC converter applications.
- Printing equipment
- Die casting equipment
- Automatic plug-in machines
- Elevator lighting
- Imported equipment
- Telecommunications equipment
- Low output voltage switching power supply circuits
- Digital precision reference circuits
- Product testing
- Thermal power