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See Technical Specifications

UC19432-SP

Space-grade QMLV adjustable precision analog controller

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

UC19432-SP
Datasheet:

UC19432-SP Datasheet (PDF)
VO (V):

1.3
Initial accuracy (max) (%):

0.4
VO adj (min) (V):

2.4
VO adj (max) (V):

24
EDA/CAD Models:

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UC19432-SP General Description

The UC19432 is an adjustable precision analog controller with 100-mA sink capability if the ISET pin is grounded. A resistor between ISET and ground will modify the transconductance while decreasing the maximum current sink. This will add further control in the optocoupler configuration. The trimmed precision reference along with the non-inverting error amplifier inputs are accessible for custom configuration. A sister device, the UC19431 adjustable shunt regulator, has an on-board resistor network providing six preprogrammed voltage levels, as well as exernal programming capability.

Key Features

QML-V Qualified, SMD 5962-09233
Rad Tolerant: 30 kRad(Si) TID⁽¹⁾
- TID Dose Rate = 10 mRad/sec
Programmable Transconductance for Optimum Current Drive
Accessible 1.3 V precision Reference
Both Error Amplifier Inputs Available
0.7% Overall Reference Tolerance
0.4% Initial Accuracy
2.4-V to 24-V Operating Supply Voltage and User Programmable Reference
Reference Accuracy Maintained for Entire Range of Supply Voltage
Superior Accuracy and Easier Compensation for Optoisolator Application
Low Quiescent Current (0.5 mA Typ)

⁽¹⁾ Radiation tolerance is a typical value based upon initial device qualification. Radiation Lot Acceptance Testing is available – contact factory for details.

Specifications

VO (V)	1.3	Initial accuracy (max) (%)	0.4
VO adj (min) (V)	2.4	VO adj (max) (V)	24
Iz for regulation (min) (µA)	500	Reference voltage (V)	1.3
Rating	Space	Operating temperature range (°C)	-55 to 125