UC3845BD1 ,Voltage Regulator - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

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148 points

Part No

UC3845BD1
Manufacturer

ST Microelectronics
ChipWorker Part#

CW2631611
Category

Voltage Regulator
Package

SO-8
Description

PMIC; PWM controller; 1A; 48-500kHz; SO8; boost, flyback; 800mW
Documentation

Datasheet
Ships from

Moscow
Наличие

In Stock
Estimated Price

$ 0.58

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UC3845BD1 Specifications

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Attribute	Attribute Value

Part Number	UC3845BD1
Manufacturer	ST Microelectronics
ChipWorker Part#	CW2631611
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SO-8
Frequency	500 kHz
Number of Outputs	1 Output
Output Voltage	4.90V ~ 5.10V
Output Current	1 A
Supply Current	17 mA
Number of Positions	8 Position
Power Dissipation	1.25 W
Rise Time	50 ns
Switching Frequency	500 kHz
Duty Cycle	50 %
Maximum Duty Cycle	50 %
Fall Time	50 ns
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Power Dissipation (Max)	1250 mW
Supply Voltage (Max)	30 V
Supply Voltage (Min)	11 V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.25 mm
Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

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Product Description

This UC3845BD1 current controller by STMicroelectronics is perfect for current which needs to be supplied to an external system. This current mode controller supports boost|flyback topology. Its single PWM output produces a current of 1000(Max) mA. Its switching regulator has a frequency of 500 kHz. This current mode controller"s maximum duty cycle is 50 %. This device has a maximum of 30 V. This current mode controller has an operating temperature range of 0 °C to 70 °C.

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