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Model UC3844BD1

Description PWM The STMicroelectronics pulse width modulator (PWM) controller supports isolated and non isolated AC-DC and DC-DC switching mode power supplies. They are based on the most commonly used topologies in single ended configurations (such as flyback, forward, or quasi resonant controllers) and dual ended configurations (asymmetric half bridge, used for switch mode power supplies (SMPS)). The PMW controller also integrates comprehensive protection to enhance robustness and reliability. ### PWM (Pulse Width Modulation) Controllers, STMicroelectronics

Brand: ST Microelectronics

Packaging SOIC-8

Delivery time

Packaging method Tube

Standard packaging quantity 1

5+:

$ 3.1509

25+:

$ 2.9175

50+:

$ 2.7541

100+:

$ 2.6841

500+:

$ 2.6374

2500+:

$ 2.5791

5000+:

$ 2.5557

10000+:

$ 2.5207

Price	$ 3.1509	$ 2.9175	$ 2.7541	$ 2.6841	$ 2.6374
Start batch production	5+	25+	50+	100+	500+

Freight charges： In stock Freight rate：$13.00

Quantity：

Inventory(4924) Minimum order quantity(5)

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Technical parameters/frequency: 500 kHz

Technical parameters/number of output interfaces: 1

Technical parameters/output voltage: 4.90V ~ 5.10V

Technical parameters/output current: 1 A

Technical parameters/power supply current: 17 mA

Technical parameters/number of pins: 8

Technical parameters/dissipated power: 1.25 W

Technical parameters/rise time: 50 ns

Technical parameters/switching frequency: 500 kHz

Technical parameters/duty cycle: 50 %

Technical parameters/maximum duty cycle: 50 %

Technical parameters/descent time: 50 ns

Technical parameters/operating temperature (Max): 150 ℃

Technical parameters/operating temperature (Min): 0 ℃

Technical parameters/dissipated power (Max): 1250 mW

Technical parameters/power supply voltage: 36 V

Technical parameters/input voltage: 30 V

Encapsulation parameters/installation method: Surface Mount

Package parameters/number of pins: 8

Encapsulation parameters/Encapsulation: SOIC-8

External dimensions/length: 5 mm

External dimensions/width: 4 mm

External dimensions/height: 1.25 mm

External dimensions/packaging: SOIC-8

Physical parameters/operating temperature: -40℃ ~ 150℃

Other/Product Lifecycle: Active

Other/Packaging Methods: Tube

Compliant with standards/RoHS standards: RoHS Compliant

Compliant with standards/lead standards: Lead Free

Customs information/ECCN code: EAR99

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