UC3843BD1 - ST Microelectronics

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

Part No

UC3843BD1
Manufacturer

ST Microelectronics
ChipWorker Part#

CW12070430
Category

PWM Controller IC
Package

SO-8
Description

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

Datasheet

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UC3843BD1 Specifications

Attribute	Attribute Value

Part Number	UC3843BD1
Manufacturer	ST Microelectronics
ChipWorker Part#	CW12070430
Category	PWM Controller IC
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
Number of Positions	8 Position
Power Dissipation	1250 mW
Rise Time	50 ns
Switching Frequency	500 kHz
Maximum Duty Cycle	100 %
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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Operating Temperature	-40℃ ~ 150℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

Protecting your components from voltage spikes is important in any electronics circuit. STMicroelectronics" UC3843BD1 current controller can help you regulate these changes. Its single PWM output produces a current of 1000(Max) mA. This current mode controller supports boost|flyback topology. This part offers a switching frequency of 500 kHz in order to work properly. This device has a maximum of 30 V. This current mode controller"s maximum duty cycle is 100 %. This current mode controller has an operating temperature range of 0 °C to 70 °C.

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