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TS4436：Adjustable 0.6V open collector shunt voltage reference

The TS4436 is a four-terminal device dedicated to low voltage Switch Mode Power Supplies (SMPS).

It integrates a 0.6V voltage reference, an amplifier, and an open collector output transistor in a single package. The TS4436’s operating mode is similar to the well-known standard voltage reference, the TL431. It maintains the desired feedback voltage at the REF pin in a closed loop configuration by sinking a current proportional to the error voltage at the REF pin.

TS4436 features an open collector transistor with an ultra-low saturation voltage. This feature allows it to be used in series with the optocoupler in an SMPS for regulation up to a 1.8V output voltage.

Key Features

• Lead free available
• 150ppm/˚C temperature coefficient
• Internal 0.6V ±0.5% precision
• Low current consumption: 150µA
• Low output saturation voltage 75 mV max. between SINK and GND
• Industrial temperature range: -40 to +105˚C
• Low supply voltage: 1.7V

Product Specifications

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Quality & Reliability