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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching ControllersUC3845D
UC3845D Image
Image may be representation.
See specifications for product details.

UC3845D - Fairchild Semiconductor

Manufacturer Part Number
UC3845D
Manufacturer
Fairchild (onsemi)
Allelco Part Number
32D-UC3845D
ECAD Model
Parts Description
SWITCHING CONTROLLER
Detailed Description
Package
14-SOIC (0.154", 3.90mm Width)
Data sheet
UC3845D.pdf
RoHs Status
ROHS3 Compliant
In stock: 65670

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Quantity

Specifications

UC3845D Tech Specifications
Fairchild Semiconductor - UC3845D technical specifications, attributes, parameters and parts with similar specifications to Fairchild Semiconductor - UC3845D

Product Attribute Attribute Value  
Manufacturer Fairchild (onsemi)  
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V  
Topology Boost, Buck, Buck-Boost, Flyback, Forward  
Synchronous Rectifier No  
Supplier Device Package 14-SOIC  
Series -  
Serial Interfaces -  
Package / Case 14-SOIC (0.154", 3.90mm Width)  
Package Tube  
Output Type Transistor Driver  
Output Phases 1  
Product Attribute Attribute Value  
Output Configuration Positive or Negative, Isolation Capable  
Operating Temperature 0°C ~ 70°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Up, Step-Down, Step-Up/Step-Down  
Frequency - Switching Up to 500kHz  
Duty Cycle (Max) 48%  
Control Features Frequency Control  
Clock Sync No  
Base Product Number UC3845  

Parts with Similar Specifications

The three parts on the right have similar specifications to Fairchild Semiconductor UC3845D

Product Attribute UC3845D UC3845D8TRG4 UC3845D UC3845BNG
Part Number UC3845D UC3845D8TRG4 UC3845D UC3845BNG
Manufacturer Fairchild Semiconductor Texas Instruments onsemi onsemi
Output Configuration Positive or Negative, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable Positive, Isolation Capable
Output Phases 1 1 1 1
Topology Boost, Buck, Buck-Boost, Flyback, Forward Boost, Buck, Buck-Boost, Flyback, Forward Boost, Flyback Boost, Flyback
Base Product Number UC3845 UC3845 UC3845 UC3845
Supplier Device Package 14-SOIC 8-SOIC 14-SOIC 8-PDIP
Frequency - Switching Up to 500kHz Up to 500kHz Up to 500kHz Up to 500kHz
Number of Outputs 1 1 1 1
Duty Cycle (Max) 48% 48% 48% 48%
Output Type Transistor Driver Transistor Driver Transistor Driver Transistor Driver
Control Features Frequency Control Frequency Control - Frequency Control
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V 12V ~ 28V 7.6V ~ 30V 7.6V ~ 30V
Synchronous Rectifier No No No No
Serial Interfaces - - - -
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Series - - - -
Package Tube Tape & Reel (TR) Tube Tube
Package / Case 14-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154', 3.90mm Width) 14-SOIC (0.154", 3.90mm Width) 8-DIP (0.300', 7.62mm)
Mounting Type Surface Mount Surface Mount Surface Mount Through Hole
Function Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Down, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down
Clock Sync No No No No

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

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UC3845D Image

UC3845D

Fairchild Semiconductor
32D-UC3845D

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