Semtech bietet einige Spannungsreferencen, die sich für viele Sensor-Applikationen als Präzisions-Referenzen eignen.

Applications

• Linear regulators
• Adjustable supplies
• Switching power supplies
• Battery-operated computers
• Instrumentation
• Computer disk drives

SC431: Adjustable Shunt Regulator

Features

• Wide operating current range 130 µA to 150 mA
• Low dynamic output impedance 0.25 Ω typ.
• Trimmed bandgap design ± 0.5%
• Alternate for TL1431, TL431, LM431 & AS431
• Industrial temperature range
• Available in SOT-23-3 and SO-8 packages

SC431L: Adjustable Shunt Regulator

Features

• Low-voltage operation (down to 1.24 V)
• Wide operating current range 100 µA to 100 mA
• Low dynamic output impedance 0.05 Ohm typ.
• Trimmed bandgap design ± 0.25%
• Upgrade for TL1431A
• Available in SOT-23-3 and SOT-23-5 packages

Applications

• Linear regulators
• Adjustable supplies
• Switching power supplies
• Battery-operated computers
• Instrumentation
• Computer disk drives

SC4431: Shunt Regulator With Open Collector Or Output

Features

• Open collector output drives Optoisolator with as little as 1.5 V input voltage
• Trimmed bandgap design – initial accuracies to ± 0.5%
• 40 mA drive capability
• Regulates output as low as 50 mV
• Wide supply voltage range: 1.5 V to 15 V
• Low supply current: typically 110 µA
• Full industrial temperature range
• SOT-23 5-lead package