Specification	UC2823ADW

Clock Sync	False
Control Features	Frequency Control, Soft Start, Current Limit, Ramp
Duty Cycle (Max) [Max]	100 %
Frequency - Switching [Max]	1 MHz
Frequency - Switching [Min]	400 kHz
Function	Step-Up, Step-Up/Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Phases	1
Output Type	Transistor Driver
Package / Case	16-SOIC
Package / Case [x]	0.295 in
Package / Case [y]	7.5 mm
Supplier Device Package	16-SOIC
Synchronous Rectifier	False
Topology	Forward Converter, Full-Bridge, Flyback, Half-Bridge, Boost, Push-Pull
Voltage - Supply (Vcc/Vdd) [Max]	22 V
Voltage - Supply (Vcc/Vdd) [Min]	8.4 V

UC2823B Series

30V, 2A double ended 1MHz PWM controller with 9.2V/8.4V UVLO and 100% duty cycle, -40C to 85C

Part	Control Features	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Output Configuration	Number of Outputs	Output Phases	Output Type	Frequency - Switching [Max]	Frequency - Switching [Min]	Supplier Device Package	Mounting Type	Duty Cycle (Max) [Max]	Package / Case [x]	Package / Case	Package / Case [y]	Topology	Function	Operating Temperature [Max]	Operating Temperature [Min]	Output Isolation	Fault Protection	Package / Case	Package / Case	Duty Cycle	Frequency - Switching	Voltage - Start Up	Duty Cycle (Max)
Texas Instruments UC2823ADW	Current Limit Frequency Control Ramp Soft Start	8.4 V	22 V	Positive	1	1	Transistor Driver	1 MHz	400 kHz	16-SOIC	Surface Mount	100 %	0.295 in	16-SOIC	7.5 mm	Boost Flyback Forward Converter Full-Bridge Half-Bridge Push-Pull	Step-Up Step-Up/Step-Down	85 °C	-40 °C
Texas Instruments UC2823ADWTR	Current Limit Frequency Control Ramp Soft Start	8.4 V	22 V	Positive	1	1	Transistor Driver	1 MHz	400 kHz	16-SOIC	Surface Mount	100 %	0.295 in	16-SOIC	7.5 mm	Boost Flyback Forward Converter Full-Bridge Half-Bridge Push-Pull	Step-Up Step-Up/Step-Down	85 °C	-40 °C
Texas Instruments UC2823BN	Frequency Control Soft Start	10 V	22 V							16-PDIP	Through Hole			16-DIP		Boost Buck Flyback Forward		150 °C	-55 °C	Non-Isolated	Current Limiting	0.3 in	7.62 mm	100 %	1 MHz	16 V
Texas Instruments UC2823QTR	Current Limit Enable Frequency Control Ramp Soft Start	8.4 V	30 V	Positive	1	1	Transistor Driver	460 kHz	340 kHz	20-PLCC (9x9)	Surface Mount			20-LCC (J-Lead)		Boost Buck Flyback Forward Converter	Step-Down Step-Up Step-Up/Step-Down	85 C	-25 °C								80 %
Texas Instruments UC2823Q	Current Limit Enable Frequency Control Ramp Soft Start	8.4 V	30 V	Positive	1	1	Transistor Driver	460 kHz	340 kHz	20-PLCC (9x9)	Surface Mount			20-LCC (J-Lead)		Boost Buck Flyback Forward Converter	Step-Down Step-Up Step-Up/Step-Down	85 C	-25 °C								80 %
Texas Instruments UC2823N	Current Limit Enable Frequency Control Ramp Soft Start	8.4 V	30 V	Positive	1	1	Transistor Driver	460 kHz	340 kHz	16-PDIP	Through Hole			16-DIP		Boost Buck Flyback Forward Converter	Step-Down Step-Up Step-Up/Step-Down	85 C	-25 °C			0.3 in	7.62 mm				80 %
Texas Instruments UC2823AN	Current Limit Frequency Control Ramp Soft Start	8.4 V	22 V	Positive	1	1	Transistor Driver	1 MHz	400 kHz	16-PDIP	Through Hole	100 %		16-DIP		Boost Flyback Forward Converter Full-Bridge Half-Bridge Push-Pull	Step-Up Step-Up/Step-Down	85 °C	-40 °C			0.3 in	7.62 mm
Texas Instruments UC2823DWTR	Current Limit Enable Frequency Control Ramp Soft Start	8.4 V	30 V	Positive	1	1	Transistor Driver	460 kHz	340 kHz	16-SOIC	Surface Mount		0.295 in	16-SOIC	7.5 mm	Boost Buck Flyback Forward Converter	Step-Down Step-Up Step-Up/Step-Down	85 C	-25 °C								80 %
Texas Instruments UC2823DW	Current Limit Enable Frequency Control Ramp Soft Start	8.4 V	30 V	Positive	1	1	Transistor Driver	460 kHz	340 kHz	16-SOIC	Surface Mount		0.295 in	16-SOIC	7.5 mm	Boost Buck Flyback Forward Converter	Step-Down Step-Up Step-Up/Step-Down	85 C	-25 °C								80 %
Texas Instruments UC2823AQG3	Current Limit Frequency Control Ramp Soft Start	8.4 V	22 V	Positive	1	1	Transistor Driver	1 MHz	400 kHz	20-PLCC (9x9)	Surface Mount	100 %		20-LCC (J-Lead)		Boost Flyback Forward Converter Full-Bridge Half-Bridge Push-Pull	Step-Up Step-Up/Step-Down	85 °C	-40 °C

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 19.66
		10	$ 18.07
		40	$ 17.32
		120	$ 15.26
		280	$ 14.51
		520	$ 13.57
Texas Instruments	TUBE	1	$ 17.89
		100	$ 15.63
		250	$ 12.05
		1000	$ 10.78

Description

General part information

UC2823B Series

30V, 2A double ended 1MHz PWM controller with 9.2V/8.4V UVLO and 100% duty cycle, -40C to 85C

Documents

Technical documentation and resources

High-Speed PWM Controller datasheet (Rev. F)

Data sheet