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UC3832NG4, UC3833, UC3833DWG4

Table of contents:
Info of UC3832NG4
Info of UC3833
Info of UC3833DWG4

UC3832NG4, UC3833, UC3833DWG4 Selling Leads, Datasheet

MFG:Texas Instruments Category:Integrated Circuits (ICs) Package Cooled:n/a D/C:09+

UC3832NG4, UC3833, UC3833DWG4 Datasheet download

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Part Number: UC3832NG4

Category: Integrated Circuits (ICs)

MFG: Texas Instruments

Package Cooled: n/a

D/C: 09+

Description: IC LDO LINEAR CTRLR PREC 16-SOIC

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UC3832NG4 Parameters

Technical/Catalog Information	UC3832NG4
Vendor	Texas Instruments
Category	Integrated Circuits (ICs)
Package / Case	*
Packaging	*
Type	Positive Fixed
Number of Outputs	1
Voltage - Output	2V
Voltage - Input	4.5 ~ 36 V
Operating Temperature	0°C ~ 70°C
Current - Supply	9.5mA
Current - Output	10mA
Drawing Number	*
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	UC3832NG4 UC3832NG4

UC3833 General Description

The UC1832 and UC1833 series of precision linear regulators include all the ontrol functions required in the design of very low dropout linear regulators.Additionally, they feature an innovative duty-ratio current limiting technique hich provides peak load capability while limiting the average power dissipation f the external pass transistor during fault conditions. When the load current eaches an accurately programmed threshold, a gated-astable timer is nabled, which switches the regulator's pass device off and on at an externally rogrammable duty-ratio. During the on-time of the pass element, the output urrent is limited to a value slightly higher than the trip threshold of the duty-ratio imer. The constant-current-limit is programmable on the UCx832 to allow igher peak current during the on-time of the pass device. With duty-ratio control,high initial load demands and short circuit protection may both be accommodated ithout extra heat sinking or foldback current limiting. Additionally, if he timer pin is grounded, the duty-ratio timer is disabled, and the IC operates n constant-voltage/constant-current regulating mode.

These IC's include a 2 Volt (±1%) reference, error amplifier, UVLO, and a high urrent driver that has both source and sink outputs, allowing the use of either PN or PNP external pass transistors. Safe operation is assured by the inclusion f under-voltage lockout (UVLO) and thermal shutdown.

The UC1833 family includes the basic functions of this design in a low-cost, 8-pin mini-dip package, while the UC1832 series provides added versatility with he availability of 14 pins. Packaging options include plastic (N suffix), or ceramic J suffix). Specified operating temperature ranges are: commercial (0°C o 70°C), order UC3832/3 (N or J); industrial (25°C to 85°C), order UC2832/3 N or J); and military (55°C to 125°C), order UC1832/3J. Surface mount ackaging is also available.

UC3833 Maximum Ratings

Supply Voltage +V_IN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Driver Output Current (Sink or Source) . . . . . . . . . . . . . .450mA
Driver Sink to Source Voltage . . . . . . . . . . . . . . . . . . . . . . . 40V
TRC Pin Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . 0.3V to 3.2V
Other Input Voltages. . . . . . . . . . . . . . . . . . . . . .0.3V to +V_IN
Operating Junction Temperature (note 2) . .55°C to +150°C
Storage Temperature . . . . . . . . . . . . . . . . . 65°C to +150°C
Lead Temperature (Soldering, 10 Seconds) . . . . . . . . . . 300°C

Note 1: Unless otherwise indicated, voltages are referenced to round and currents are positive into, negative out of, the specified terminals.
Note 2: See Unitrode Integrated Circuits databook for nformation regarding thermal specifications and limitations of packages.

UC3833 Features

· Precision 1% Reference
· Over-Current Sense Threshold Accurate to 5%
· Programmable Duty-Ratio Over-Current Protection
· 4.5V to 36V Operation
· 100mA Output Drive, Source or Sink
· Under-Voltage Lockout Additional Features of the UC1832 series:
· Adjustable Current Limit to Current Sense Ratio
· Separate +V_IN terminal
· Programmable Driver Current Limit
· Access to V_REF and E/A(+)
· Logic-Level Disable Input

UC3833 Connection Diagram

UC3833DWG4 Parameters

Technical/Catalog Information	UC3833DWG4
Vendor	Texas Instruments
Category	Integrated Circuits (ICs)
Package / Case	*
Packaging	*
Type	Positive Fixed
Number of Outputs	1
Voltage - Output	2V
Voltage - Input	4.5 ~ 36 V
Operating Temperature	0°C ~ 70°C
Current - Supply	9.5mA
Current - Output	100mA
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	UC3833DWG4 UC3833DWG4

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