UC3844BD1 - ST Microelectronics

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

Part No

UC3844BD1
Manufacturer

ST Microelectronics
ChipWorker Part#

CW8587903
Category

DC to DC Converter
Package

SOIC-8
Description

Current Mode PWM Controller 1A 500kHz 8Pin SO N Tube
Documentation

Datasheet

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UC3844BD1 Specifications

Attribute	Attribute Value

Part Number	UC3844BD1
Manufacturer	ST Microelectronics
ChipWorker Part#	CW8587903
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-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)	150 ℃
Operating Temperature (Min)	0 ℃
Power Dissipation (Max)	1250 mW
Supply Voltage	36 V
Input Voltage	30 V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.25 mm
Operating Temperature	-40℃ ~ 150℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

This UC3844BD1 current controller by STMicroelectronics will generate a stable current for optimal operation for an electronic system. This current mode controller supports boost|flyback topology. Its single PWM output produces a current of 1000(Max) mA. This part offers a switching frequency of 500 kHz in order to work properly. 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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