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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Voltage Reference

Diodes Incorporated ZXRE060AET5TA

Name: ZXRE060AET5TA
Brand: Diodes Incorporated
SKU: ZXRE060AET5TA
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ZXRE060AET5TA

Manufacturer:: Diodes Incorporated

Category:: Voltage Reference

Package:: SOT-23-5 Thin, TSOT-23-5

Datasheet:: ZXRE060AET5TA.pdf

Description:: IC VREF SHUNT ADJ 0.5% TSOT23-5

Quantity:: RFQ Add To RFQ list

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Product details

Overview

ZXRE060AET5TA from Diodes Incorporated is a 5-terminal adjustable precision shunt regulator with 0.6V feedback reference voltage, ±0.5% initial tolerance at +25°C, and operation over –40°C to +125°C. It features an open-collector output (0.2V–18V), separate IN/OUT pins enabling low-dropout linear regulator designs, and is packaged in TSOT23-5 for compatibility with TL432/TLV431 footprints. It is used in isolated DC-DC converters for microprocessor core voltage regulation.

For engineers reviewing the ZXRE060AET5TA datasheet, ZXRE060AET5TA pinout, ZXRE060AET5TA application, or ZXRE060AET5TA equivalent, key selection criteria include its 0.6V VFB accuracy, thermal drift (<12mV over –40°C to +125°C), PSRR (>45dB at 300kHz), and ability to regulate rails as low as 0.6V in opto-isolated feedback loops.

Technical Context

The ZXRE060AET5TA implements a high-transconductance (5000 mA/V) amplifier comparing FB voltage to an internal 0.6V bandgap reference. Its separate IN and OUT pins decouple supply rail from output current path, enabling use in low-input-voltage LDOs and isolated flyback controllers where the output drives an optocoupler LED.

It operates with input voltage range 2.2V–18V (–40°C to 0°C) or 2V–18V (+0°C to +125°C), supports 0.3–15mA output sink current, and maintains dynamic output impedance ≤0.6Ω across temperature. Its unity-gain bandwidth is 600kHz, supporting stable compensation in POL applications with COUT = 0.22µF–2.2µF.

Key Specifications

Parameter	Value and Actual Design Meaning
V_FB	0.597–0.603V at +25°C: Enables precise regulation of sub-1V rails like 0.6V, 0.8V, or 0.85V core supplies.
Initial Tolerance	±0.5% (ZXRE060A grade): Reduces external resistor tolerance burden in high-accuracy feedback networks.
Temp Drift	<12mV (–40°C to +125°C): Ensures stable output under automotive or industrial ambient extremes.
V_OUT Range	0.2V–18V: Allows direct interface with low-voltage optocouplers (e.g., PC817, SFH615A) down to 200mV saturation.
I_OUT Max	15mA: Supports driving standard optocoupler LEDs (IF = 5–10mA) while retaining margin for loop stability.
PSRR	>45dB at 300kHz: Rejects high-frequency switching noise from adjacent DC-DC stages in compact POL layouts.
Z_OUT	≤0.6Ω (–40°C to +125°C): Minimizes output voltage perturbation during transient load steps in core power delivery.

Pinout & Package

Package: TSOT23-5 - ultra-thin, surface-mount 5-pin package with 0.65mm pitch; footprint-compatible with TL432/TLV431 SOT23-3 (OUT/GND/FB mapped to Cathode/Anode/Ref).

Pin/Terminal	Circuit Role	Design Meaning
1 (PGND)	Power Ground	Emitter return for output transistor; must be tied to analog GND to avoid ground bounce in high-sink-current operation.
2 (N/C)	No Connection	Internally unconnected; leave floating-no PCB trace or thermal pad required.
3 (OUT)	Open-Collector Output	Sinks up to 15mA; connects to cathode of optocoupler LED or base of series pass transistor in LDO configurations.
4 (FB)	Feedback Input	High-impedance node sensing divider voltage; bias current ≤–45nA ensures minimal error from R1/R2 leakage.
5 (GND)	Analog Ground	Reference and amplifier ground return; tie directly to PGND at single point near device for noise immunity.

Key Features

Feature	Design Value
0.6V Reference Voltage	Enables direct regulation of modern sub-1V processor cores without level-shifting circuitry.
Separate IN/OUT Pins	Permits powering from auxiliary rail while regulating higher master rail-critical for multi-output isolated converters.
Low-Voltage Output Capability	0.2V output compliance allows use with optocouplers having low V_CE(sat), improving loop gain and transient response.
High PSRR at 300kHz	Suppresses ripple from primary-side switching noise, reducing need for additional filtering in feedback path.
–40°C to +125°C Operation	Validated performance across full industrial temperature range without derating or external compensation changes.

Applications

Isolated DC-DC Converters

Core Voltage POL Regulators

Use Scenario: Secondary-side feedback in flyback or forward converters with optocoupler isolation.

IC Role / Device Role / Timing Role: Precision shunt reference generating error signal sent via optocoupler to primary controller.

Use Value: 0.6V V_FB enables accurate regulation of 0.6–1.2V outputs; <12mV drift ensures ±1% output stability over temperature.

Use Scenario: Point-of-load regulation for FPGA, DSP, or ASIC core supplies requiring tight voltage tolerance.

IC Role / Device Role / Timing Role: Adjustable shunt element in series-pass LDO topology controlling gate/base of external MOSFET/BJT.

Use Value: Separate IN/OUT pins allow VIN as low as 0.8V (for 0.6V VOUT), achieving true low-dropout behavior not possible with standard shunt references.

Low-Dropout Linear Regulators

Adjustable Voltage References

Use Scenario: Low-input-voltage LDO for battery-powered systems or post-regulation after buck converter.

IC Role / Device Role / Timing Role: Feedback reference and current sink in emitter-follower or source-follower configuration.

Use Value: 0.2V output compliance permits operation with V_IN–V_OUT < 200mV, minimizing conduction loss and heat generation.

Use Scenario: Programmable reference for ADCs, DACs, or comparator thresholds in test equipment or sensor interfaces.

IC Role / Device Role / Timing Role: High-accuracy, temperature-stable voltage source set by external resistor divider.

Use Value: ±0.5% initial tolerance and <6mV drift (–40°C to +85°C) provide better than 0.7% total error without calibration.

Equivalent & Alternatives

The following parts are listed as comparable options for similar shunt regulator applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLV431AIDBVR	V_FB = 1.24V, ±0.5% tolerance, 3-pin SOT23, no separate IN/OUT pins	Cannot regulate below 1.24V; unsuitable for sub-1V core rails or low-V_CE(sat) optocoupler drive	Select only when 1.24V reference suffices and board space allows rework to 3-pin layout.
ZXRE160AET5TA	V_FB = 1.6V, same package/pinout, ±0.5% tolerance, higher V_FB and improved PSRR	Designed for 1.6V+ rails; incompatible with 0.6V feedback networks without redesign	Use for new designs targeting ≥1.6V outputs; ZXRE060AET5TA remains optimal for ≤1.0V regulation.

Compared with TLV431AIDBVR and ZXRE160AET5TA, ZXRE060AET5TA uniquely supports 0.6V regulation with separate IN/OUT pins-enabling both ultra-low-voltage POL and isolated converter topologies unavailable to either alternative.

Availability

ZXRE060AET5TA is available at Aetrix Electronics and suitable for isolated DC-DC converters, microprocessor core voltage regulation, and low-dropout linear regulators requiring stable component supply across industrial temperature ranges.

Supply support for ZXRE060AET5TA includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Diodes Incorporated is a global manufacturer of discrete semiconductors and ICs, specializing in high-performance, high-reliability components for power management, signal integrity, and protection applications.

The ZXRE series targets precision voltage regulation in space-constrained, thermally demanding environments-designed specifically for next-generation POL, isolated DC-DC, and low-voltage reference applications.

FAQ

What is the minimum input voltage required for stable operation of ZXRE060AET5TA?

The ZXRE060AET5TA requires a minimum input voltage of 2.0V over 0°C to +125°C and 2.2V over –40°C to 0°C. This ensures sufficient headroom for the internal amplifier and output transistor to maintain regulation at V_FB = 0.6V while sinking up to 15mA. Below these voltages, output current capability degrades and regulation may become unstable.

Can ZXRE060AET5TA replace TL432 or TLV431 in existing designs?

In TSOT23-5 package, ZXRE060AET5TA maps OUT/GND/FB to TL432/TLV431 Cathode/Anode/Ref pins-but requires external circuit modification. Unlike TLx431, it needs separate IN connection and has N/C pin. Direct drop-in replacement is not possible; however, board-level redesign preserves footprint and simplifies upgrade to 0.6V regulation.

How does the separate PGND and GND pins improve performance?

PGND carries high-frequency output sink current (up to 15mA), while GND serves the precision reference and amplifier. Separating these paths prevents ground-bounce-induced errors on the FB node and improves PSRR. For optimal performance, both pins must be tied together at a single point near the device, not at the system ground plane.

What capacitor values are recommended for stability in ZXRE060AET5TA applications?

A 0.1µF ceramic capacitor is required between IN and GND, placed as close as possible to the device. For output stability, C_OUT should be 0.22µF (for V_OUT ≥ 3V) or 2.2µF (for V_OUT = 0.6V), with ESR < 100mΩ. Compensation capacitor C2 (0.1–10µF) across R3 is also recommended to ensure phase margin >45° across operating conditions.

ZXRE060AET5TA Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Package/Case:: SOT-23-5 Thin, TSOT-23-5

Series:: -

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Reference Type:: Shunt

Output Type:: Adjustable

Voltage - Output (Min/Fixed):: 0.2V

Voltage - Output (Max):: 18 V

Current - Output:: 15 mA

Tolerance:: ±0.5%

Temperature Coefficient:: -

Noise - 0.1Hz to 10Hz:: -

Noise - 10Hz to 10kHz:: -

Voltage - Input:: -

Current - Supply:: -

Current - Cathode:: 300 µA

Operating Temperature:: -40°C ~ 125°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: TSOT-23-5

ZXRE060AET5TA FAQ

1.How can I place an order for ZXRE060AET5TA through Aetrix?

Please submit a Request for Quotation (RFQ) for ZXRE060AET5TA on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for ZXRE060AET5TA reliable?

The price and inventory of ZXRE060AET5TA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZXRE060AET5TA is usually 5 days.

3.What payment methods are accepted for ZXRE060AET5TA?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZXRE060AET5TA transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ZXRE060AET5TA?

ZXRE060AET5TA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ZXRE060AET5TA order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for ZXRE060AET5TA?

For technical support, including ZXRE060AET5TA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZXRE060AET5TA requirements.

6.How does Aetrix verify that ZXRE060AET5TA is sourced from the original manufacturer or authorized distributors?

All ZXRE060AET5TA products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ZXRE060AET5TA meets industry standards.

7.What is the process for return or replacement of ZXRE060AET5TA?

All ZXRE060AET5TA units undergo pre-shipment inspection (PSI). If there is an issue with ZXRE060AET5TA, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The ZXRE060AET5TA part is unused and in its original packaging.

Return procedure for ZXRE060AET5TA:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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