Linear Regulators

Linear Controllers	Unitrode Part Number
Linear Controllers	UC3832	UC3833	UC3834	UC3835	UC3836	UCC3837 +
Type of Output	Positive Adjustable	Positive Adjustable	Positive/Negative Adjustable	5V Fixed	Positive Adjustable	Positive Adjustable
Maximum Input Voltage	36V	36V	40V	40V	40V	12V
Minimum Output Voltage	2.0V	2.0V	+1.5V/-2.0V		2.5V	1.5V
Output Drive	300mA	300mA	350mA	500mA	500mA	1.5mA
Type of Short Circuit Limit	Duty Cycle	Duty Cycle	Foldback	Foldback	Foldback	Duty Cycle
Reference Voltage Accuracy	2%	2%	3%/4%	2%	2%	2%
Special Features	Multiple Pins Accessible	8-Pin Package		Built in Rsense	Built in Rsense	Internal Charge Pump Direct N-FET Drive
Application/Design Note	DN-61, U-116, U-152	DN-32, DN-61, U-116, U-152	U-95
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Linear Regulators	Unitrode Part Number
Linear Regulators	UCC381 +	UCC383 +	UCC384 +	UCC386 +	UCC387 +	UCC388 +
Output Voltage	3.3, 5, ADJ	3.3, 5, ADJ	5, 12, ADJ	3.3, 5, ADJ	3.3, 5, ADJ	3.3, 5, ADJ
Dropout Voltage	0.45V at 1A	0.45V at 3A	0.2V at 500mA	0.2V at 200mA	0.2V at 200mA	0.2V at 200mA
Quiescent Current	400mA	400mA	240mA	10mA	10mA	10mA
Maximum Input Voltage	9V	9V	-16V	9V	9V	9V
Shutdown Current	10mA	10mA	20mA	2mA	2mA	2mA
Voltage Tolerance	2.5%	2.5%	2.5%	1.5%	1.5%	1.5%
Line Regulation	0.01%/V	0.01%/V	0.01%/V	0.08%/V	0.08%/V	0.08%/V
Load Regulation	0.1%, IOUT = 0 to 1A	0.2%, IOUT = 10mA to 3A	0.1%, IOUT = 0 to 500mA	0.15%, IOUT = 1mA to 200mA	0.15%, IOUT = 1mA to 200mA	0.15%, IOUT = 1mA to 200mA
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Low Dropout Linear Regulators	Unitrode Part Number
Low Dropout Linear Regulators	UC382-1	UC382-2	UC382-3	UC382-ADJ	UC385-1 +	UC385-2 +	UC385-3 +	UC385-ADJ +
Output Voltage	1.5V	2.1V	2.5V	1.2V/ Adjustable	1.5V	2.1V	2.5V	1.2V/ Adjustable
Dropout Voltage	450mV at 3A	450mV at 3A	450mV at 3A	450mV at 3A	450mV at 5A	450mV at 5A	450mV at 5A	450mV at 5A
Output Voltage Accuracy	1%	1%	1%	1%	1%	1%	1%	1%
Maximum Input Voltage	7.5V	7.5V	7.5V	7.5V	7.5V	7.5V	7.5V	7.5V
Special Features	Fast Transient Response	Fast Transient Response	Fast Transient Response	Fast Transient Response	Fast Transient Response	Fast Transient Response	Fast Transient Response	Fast Transient Response
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Special Function Circuits	Unitrode Part Number
Special Function Circuits	UCC3831 +	UC560 +
Part Name	Universal Serial Bus Power Controller	SCSI Single Ended Source/Sink Regulator
Description	Powers Four 5V Peripherals and One 3.3V USB Controller	18 and 27 Line SCSI Termination Applications
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