UC3845B
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- Mfr.Part #
- UC3845B
- Manufacturer
- UTD Semiconductor
- Package / Case
- 8-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- SOP-8 AC-DC CONTROLLERS & REGULA
- Stock
- 8,758
- In Stock ：
- 8,758
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- Manufacturer :
- UTD Semiconductor
- Product Category :
- AC DC Converters, Offline Switches
- Control Mode :
- CURRENT-MODE
- Terminal Position :
- Dual
- ECCN Code :
- EAR99
- Output Configuration :
- Positive, Isolation Capable
- Length :
- 10.92mm
- Output Voltage :
- 5V
- Factory Lead Time :
- 10 Weeks
- Control Technique :
- PULSE WIDTH MODULATION
- Lead Free :
- Lead Free
- Rise Time :
- 50ns
- Number of Terminations :
- 8
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Mount :
- Through Hole
- Nominal Input Voltage :
- 15V
- RoHS Status :
- ROHS3 Compliant
- Frequency - Switching :
- 500kHz
- Power Dissipation :
- 1.25W
- Mounting Type :
- Through Hole
- Voltage - Supply (Vcc/Vdd) :
- 7.6V~30V
- Output Current :
- 200mA
- JESD-609 Code :
- e3
- Base Part Number :
- UC3845
- Tolerance :
- 2%
- Operating Temperature :
- -40°C~150°C TJ
- Number of Output Phases :
- 1
- Max Duty Cycle :
- 50 %
- Switcher Configuration :
- Single
- Synchronous Rectifier :
- No
- REACH SVHC :
- No SVHC
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Package / Case :
- 8-DIP (0.300, 7.62mm)
- Duty Cycle (Max) :
- 48%
- Control Features :
- Frequency Control
- Terminal Pitch :
- 2.54mm
- Topology :
- Boost, Flyback
- Output Type :
- Transistor Driver
- Frequency :
- 250kHz
- Number of Pins :
- 8
- Max Supply Current :
- 17mA
- Width :
- 6.6mm
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Max Power Dissipation :
- 1.25W
- Packaging :
- Tube
- Input Voltage-Nom :
- 15V
- Height :
- 3.32mm
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Fall Time (Typ) :
- 50 ns
- Function :
- Step-Up/Step-Down
- Datasheets
- UC3845B
UC3845B Documents
8 Terminals 7.6V~30V 8-Pin UC3845 DC to DC converter IC SWITCHING CONTROLLER 500kHz Transistor Driver
UC3845BN Overview
With a 8-DIP (0.300, 7.62mm) package, the switching controller is suitable for a wide range of applications. A solid enclosure of Tube surrounds pmic. Transistor Driver dc switching's outputs (s) can be handled by it. This dc control has a supply voltage and operating voltage of 7.6V~30V. Worked in an dc switcher with a -40°C~150°C TJ rating. Switching can be done at 500kHz with this switching controller. The Through Hole value makes it suitable for general dc dc regulator. For efficient switching control, the dcdc regulator features Frequency Control. A SWITCHING CONTROLLER analog IC is connected to the switch converters. The switching converters's terminals (s) are designed at DUAL. An array of 8 terminations of dc switching. These dc dc converter ics adapt a variety of control techniques, including PULSE WIDTH MODULATION. The nominal DC switcher's voltage input is 15V. Search for "UC3845" to find other relevant dc to dc converter ics. There are a total of 8 pins on switching converter. The test statistics indicate that DC regulator outputs a voltage of 5V. You should note that the dc dc regulator's usual output current is 200mA. It is set to 50 % duty cycle to ensure voltage regulator dc to dc reliability during power-ups and power-downs. In most applications and prototypes, DC switcher's Through Hole makes it suitable. A frequency of 250kHz is used by the switching controller. Input voltage can be set to 15V for nominal working status. There are 1 phases in this controller. Having a current greater than 17mA may result in improper operation and possibly damage to the component.
UC3845BN Features
Transistor Driver Outputs
Switching Frequency: 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 250kHz
UC3845BN Applications
There are a lot of STMicroelectronics
UC3845BN DC to DC converter applications.
- Servo drive system
- Digital display device
- Linear guide
- Ball screw pair
- Computer application technology
- Network technology
- Automation technology
- CMM
- Various precision measuring instruments
- Various precision measuring detectors
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