Parameters |
Factory Lead Time |
1 Week |
Lifecycle Status |
PRODUCTION (Last Updated: 1 month 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 |
2017 |
JESD-609 Code |
e3 |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
32 |
Terminal Finish |
Matte Tin (Sn) |
Terminal Position |
QUAD |
Peak Reflow Temperature (Cel) |
260 |
Terminal Pitch |
0.5mm |
Time@Peak Reflow Temperature-Max (s) |
30 |
Base Part Number |
LTC7821 |
Function |
Step-Down |
Number of Outputs |
1 |
Output Type |
Transistor Driver |
Input Voltage-Nom |
48V |
Analog IC - Other Type |
SWITCHING REGULATOR |
Output Configuration |
Positive |
Voltage - Supply (Vcc/Vdd) |
10V~72V |
Control Features |
Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking |
Topology |
Buck |
Control Mode |
VOLTAGE-MODE |
Frequency - Switching |
200kHz~1.5MHz |
Control Technique |
PULSE WIDTH MODULATION |
Synchronous Rectifier |
No |
Output Voltage-Max |
33.5V |
Output Voltage-Min |
0.9V |
Duty Cycle (Max) |
40% |
Output Phases |
2 |
Height Seated (Max) |
0.8mm |
Length |
5mm |
Width |
5mm |
RoHS Status |
ROHS3 Compliant |
LTC7821IUH#PBF Overview
The switching controller fits in the 32-WFQFN Exposed Pad package and is ideal for most applications. There is enough capacity in the dc motor controller to generate the output for the 1 input. PMIC packaging is solid with a Tube enclosure. There are Transistor Driver dc switching's output (s) that it can handle. dc control's supply and operating voltages are 10V~72V. Qualified to work in an dc switcher with -40°C~125°C TJ. There is a switch at 200kHz~1.5MHz that can be used with this controller. dc dc regulator can be generalized using Surface Mount. Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking provides dcdc regulator efficient switching control. An analog IC SWITCHING REGULATOR is connected to the switch converters. A switching converters's terminal (s) sits at the QUAD position. A variety of dc switching's functions can be performed on 32 terminations. These dc dc converter ics adapt a variety of control techniques, including PULSE WIDTH MODULATION. DC switcher's voltage input of 48V. In addition to "LTC7821", there are other relevant dc to dc converter ics you can find. There are only 32 pins on switching converter. 33.5V is tested as the maximum voltage output of the dc controller.
LTC7821IUH#PBF Features
Transistor Driver Outputs
Switching Frequency: 200kHz~1.5MHz
Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
PULSE WIDTH MODULATION
LTC7821IUH#PBF Applications
There are a lot of Linear Technology/Analog Devices LTC7821IUH#PBF DC to DC converter applications.
- Automation technology
- Electric water heaters
- Production lines
- Geothermal power
- Digital display device
- Various precision measuring detectors
- Photovoltaic power
- Drilling machines
- Domestic water pumps
- Digital precision reference circuits