UC3845BD1 - ST Microelectronics

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

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

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UC3845BD1 Specifications

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

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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