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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 0.5% SOT363
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：20 V
- Current - Output：100 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-TSSOP, SC-88, SOT-363
- Supplier Device Package：SOT-363
- Grade：-
- Qualification：-
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Overview
The ZTL431BH6TA is a three-terminal adjustable precision shunt regulator manufactured by Diodes Incorporated. It provides an output voltage range from the reference voltage up to 20V, set via two external divider resistors. The device features a B grade with a reference voltage tolerance of ±0.5% at +25°C and operates within an ambient temperature range of -40°C to +125°C. It offers excellent temperature stability and can sink currents between 1mA and 100mA. The component utilizes a SOT363 surface-mount package.
Feature Summary
- Provides precise adjustable voltage regulation using external resistors
- Offers high thermal stability across extended industrial temperature ranges
- Features low dynamic output impedance for stable performance
Applications
- Opto-coupler linearization
- Linear regulators
- Improved zener diode replacement
- Variable reference circuits
Procurement Notes
Verify the specific ordering suffix H6 to confirm the SOT363 package configuration. Ensure the B grade designation matches the required ±0.5% initial tolerance specification. Confirm that the standard pinout aligns with the target PCB layout design requirements before finalizing procurement.
Selection Notes
Select this component when a cost-effective alternative to standard zener diodes is needed with superior temperature characteristics. The B grade is suitable for applications requiring tighter voltage accuracy than the A grade. Verify that the maximum cathode voltage rating of 20V accommodates the circuit's operating conditions.
Part Context
This part belongs to the ZTL431/ZTL432 family of adjustable shunt regulators. These devices are functionally equivalent to TL431/TL432 components but feature distinct maximum operation voltage specifications. The ZTL431 variant utilizes a standard pinout, while the ZTL432 uses a reversed pinout in specific packages.
Replacement Considerations
ZTL431AH6TA (A Grade)
FAQ
What is the reference voltage tolerance for the ZTL431BH6TA?
The ZTL431BH6TA has a B grade tolerance of ±0.5% at +25°C.
How is the output voltage determined for this device?
The output voltage is programmable between VREF and 20V by selecting two external divider resistors.
