UC39432

現行

精密度類比控制器，0C 至 70C

立即訂購

產品規格表

document-pdfAcrobat Precision Analog Controller datasheet (Rev. A) (英文)

UC39432

現行

產品規格表

立即訂購

產品詳細資料

VO (V)

1.3

Initial accuracy (max) (%)

0.4

Reference voltage (V)

1.3

Rating

Catalog

Temp coeff (max) (ppm/°C)

44

Operating temperature range (°C)

0 to 70

VO (V)

1.3

Initial accuracy (max) (%)

0.4

Reference voltage (V)

1.3

Rating

Catalog

Temp coeff (max) (ppm/°C)

44

Operating temperature range (°C)

0 to 70

PDIP (P)

8

92.5083 mm² 9.81 x 9.43

SOIC (D)

8

29.4 mm² 4.9 x 6

Programmable Transconductance for Optimum Current Drive
Accessible 1.3V Precision Reference
Both Error Amplifier Inputs Available
0.7% Overall Reference Tolerance
0.4% Initial Accuracy
2.2V to 36.0V 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 (0.50mA Typ)

Programmable Transconductance for Optimum Current Drive
Accessible 1.3V Precision Reference
Both Error Amplifier Inputs Available
0.7% Overall Reference Tolerance
0.4% Initial Accuracy
2.2V to 36.0V 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 (0.50mA Typ)

The UC39432 is an adjustable precision analog controller with 100mA 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 UC39431 adjustable shunt regulator, has an on-board resistor network providing six preprogrammed voltage levels, as well as external programming capability.

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