UC2843BD1G - ON Semiconductor

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

Part No

UC2843BD1G
Manufacturer

ON Semiconductor
ChipWorker Part#

CW30572567
Category

Voltage Regulator
Package

SOIC-8
Description

UC2843BD1G, PWM Current Mode Controller, 1A, 500kHz, 15V, 8Pin SOIC
Documentation

Datasheet

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UC2843BD1G Specifications

Attribute	Attribute Value

Part Number	UC2843BD1G
Manufacturer	ON Semiconductor
ChipWorker Part#	CW30572567
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Frequency	250 kHz
Supply Voltage (DC)	8.50V (min)
Halogen Free Status	Halogen Free
Number of Outputs	1 Output
Input Voltage (DC)	15.0 V
Output Voltage	30 V
Output Current	200 mA
Supply Current	12 mA
Number of Positions	8 Position
Power Dissipation	0.702 W
Rise Time	50 ns
Switching Frequency	500 kHz
Topology	Flyback
Duty Cycle	96 %
Maximum Duty Cycle	96 %
Fall Time	50 ns
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-25 ℃
Power Dissipation (Max)	702 mW
Supply Voltage	10V ~ 30V
Supply Voltage (Max)	25 V
Supply Voltage (Min)	12 V
Input Voltage	15 V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.5 mm
Operating Temperature	-25℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

The UC2843BD1G is a high-performance fixed frequency current-mode Pulse Width Modulation (PWM) Controller specifically designed for off-line and DC to DC converter applications offering the designer a cost-effective solution with minimal external components. It features a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator and a high current totem pole output ideally suited for driving a power MOSFET. Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycle-by-cycle current limiting, programmable output deadtime and a latch for single pulse metering.
Trimmed oscillator for precise frequency control
Automatic feed forward compensation
Internally trimmed reference with undervoltage lockout
High current totem pole output
Undervoltage lockout with hysteresis
Low startup and operating current

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