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HomeProductsIntegrated Circuits (ICs)PMIC - AC DC Converters, Offline SwitchersUC3845B
UC3845B Image
Image may be representation.
See specifications for product details.

UC3845B - UMW

Manufacturer Part Number
UC3845B
Manufacturer
UMW
Allelco Part Number
32D-UC3845B
ECAD Model
Parts Description
SOP-8 AC-DC CONTROLLERS & REGULA
Detailed Description
Package
8-SOIC (0.154", 3.90mm Width)
Data sheet
UMW UC384x.pdf
RoHs Status
ROHS3 Compliant
In stock: 140240

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Quantity

Specifications

UC3845B Tech Specifications
UMW - UC3845B technical specifications, attributes, parameters and parts with similar specifications to UMW - UC3845B

Product Attribute Attribute Value  
Manufacturer UMW  
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V  
Voltage - Start Up 8.4 V  
Voltage - Breakdown -  
Topology Boost, Flyback  
Supplier Device Package 8-SOP  
Series -  
Package / Case 8-SOIC (0.154", 3.90mm Width)  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Output Isolation Non-Isolated  
Operating Temperature 0°C ~ 70°C (TA)  
Mounting Type Surface Mount  
Internal Switch(s) Yes  
Frequency - Switching 50kHz, 52kHz  
Fault Protection Current Limiting, UVLO  
Duty Cycle 48%  
Control Features Frequency Control, Soft Start  
Base Product Number UC3845  

Parts with Similar Specifications

The three parts on the right have similar specifications to UMW UC3845B

Product Attribute UC3845B UC3845AD1 UC3845ADTR UC3845BDG
Part Number UC3845B UC3845AD1 UC3845ADTR UC3845BDG
Manufacturer UMW STMicroelectronics Texas Instruments onsemi
Package Tape & Reel (TR) - Tape & Reel (TR) Tube
Fault Protection Current Limiting, UVLO - - -
Voltage - Start Up 8.4 V - - -
Output Isolation Non-Isolated - - -
Series - - - -
Control Features Frequency Control, Soft Start - Frequency Control Frequency Control
Internal Switch(s) Yes - - -
Voltage - Supply (Vcc/Vdd) 7.6V ~ 30V - 7.6V ~ 30V 7.6V ~ 30V
Mounting Type Surface Mount - Surface Mount Surface Mount
Topology Boost, Flyback - Boost, Buck, Flyback, Forward Boost, Flyback
Frequency - Switching 50kHz, 52kHz - Up to 500kHz Up to 500kHz
Operating Temperature 0°C ~ 70°C (TA) - 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Voltage - Breakdown - - - -
Base Product Number UC3845 - UC3845 UC3845
Package / Case 8-SOIC (0.154", 3.90mm Width) - 14-SOIC (0.154', 3.90mm Width) 14-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOP - 14-SOIC 14-SOIC
Duty Cycle 48% - - -

UC3845B Datasheet PDF

Download UC3845B pdf datasheets and UMW documentation for UC3845B - UMW.

Datasheets
UMW UC384x.pdf

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

Certifications & Memberships

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UC3845B Image

UC3845B

UMW
32D-UC3845B

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