UC19432-SP
www.ti.com SLUS951A – NOVEMBER 2009 – REVISED JULY 2010 Rad-Tolerant Class-V, Precision Analog Controller
Check for Samples: UC19432-SP FEATURES 1 (1) 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)
JG PACKAGE
(TOP VIEW) Radiation tolerance is a typical value based upon initial device
qualification. Radiation Lot Acceptance Testing is available contact factory for details. 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 …
