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

Diodes Incorporated ZXRE060ET5TA

Name: ZXRE060ET5TA
Brand: Diodes Incorporated
SKU: ZXRE060ET5TA
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ZXRE060ET5TA

Manufacturer:: Diodes Incorporated

Category:: Voltage Reference

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

Datasheet:: ZXRE060ET5TA.pdf

Description:: IC VREF SHUNT ADJ 1% TSOT23-5

Quantity:: RFQ Add To RFQ list

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Inventory:3,419

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Product details

Overview

ZXRE060ET5TA from Diodes Incorporated is a 5-terminal adjustable precision shunt regulator with 0.6V feedback reference voltage, ±1% initial tolerance at +25°C, -40°C to +125°C operating range, and open-collector output capable of 0.2V–18V operation-enabling low-voltage point-of-load regulation for microprocessor/DSP core rails in isolated DC-DC converters.

For engineers reviewing the ZXRE060ET5TA datasheet, ZXRE060ET5TA pinout, ZXRE060ET5TA application, or ZXRE060ET5TA equivalent, this device supports opto-isolated feedback loops, sub-1V rail regulation, low-dropout linear regulator topologies, and high-PSRR (>45dB at 300kHz) shunt reference designs requiring stable 0.6V threshold accuracy across temperature.

Technical Context

The ZXRE060ET5TA implements a precision bandgap reference (0.6V nominal) driving a high-gain transconductance amplifier (G = 5000 mA/V) that controls an open-collector NPN output stage. Its separate IN, OUT, FB, GND, and PGND terminals decouple power path from reference sensing-enabling true low-input, low-output LDO configurations and opto-coupler-based isolated feedback where VOUT can be as low as 0.2V while VIN remains ≥2.2V.

It operates with unity-gain bandwidth of 600 kHz, dynamic output impedance ≤0.4 Ω (typ), and maintains <12 mV total VFB drift over -40°C to +125°C. Input current remains ≤1 mA across full operating conditions, and FB bias current stays within ±200 nA over temperature-ensuring minimal divider error in high-impedance feedback networks.

Key Specifications

Parameter	Value and Actual Design Meaning
V_FB	0.6 V nominal; sets regulated output via external resistor divider; enables 0.6V–18V adjustable rail control.
V_OUT Range	0.2 V to 18 V; allows regulation of ultra-low-core voltages (e.g., 0.6V FPGA cores) and compatibility with auxiliary supply rails.
I_OUT Max	15 mA sink capability; sufficient to drive optocoupler LEDs or base of series pass transistors without external boost.
Temp Drift	<12 mV (-40°C to +125°C); ensures stable reference under industrial thermal cycling without calibration.
PSRR	>45 dB at 300 kHz; rejects high-frequency noise from switching regulators feeding the IN pin.
Package	TSOT23-5; pin-compatible with TL432/TLV431 SOT23-3 cathode/anode/reference layout for drop-in upgrade paths.
Operating Temp	-40°C to +125°C; qualified for automotive under-hood and industrial embedded environments.

Pinout & Package

TSOT23-5 package: 1.2 mm × 2.1 mm × 0.9 mm profile, lead-free, RoHS-compliant, with exposed thermal pad (flag) recommended to connect to GND for improved thermal performance.

Pin/Terminal	Circuit Role	Design Meaning
1 (PGND)	Power Ground	Emitter return path for output transistor; must be tied to analog GND to avoid ground loop errors.
2 (N/C)	No Connection	Internally unconnected; leave floating-no routing or soldering required.
3 (OUT)	Open-Collector Output	Sinks up to 15 mA; connects to cathode of optocoupler LED or base of PNP/NPN pass transistor.
4 (FB)	Feedback Input	Compares external divider voltage to 0.6V reference; high-impedance input (<200 nA bias).
5 (GND)	Analog Ground	Reference and amplifier ground return; tie directly to PGND at single point near device.

Key Features

Feature	Design Value
0.6V reference voltage	Enables direct regulation of modern sub-1V processor core supplies without level-shifting circuitry.
Separate IN/OUT pins	Permits independent voltage domain operation-e.g., 3.3V auxiliary supply powering regulation of 0.8V main rail.
0.2V–18V output compliance	Supports both ultra-low dropout (V_IN − V_OUT = 0.2V) and high-side shunt configurations.
High PSRR (>45 dB @ 300 kHz)	Maintains regulation stability when powered from noisy switcher outputs without additional filtering.
TSOT23-5 pin mapping	OUT/FB/GND pins align with TL432 cathode/reference/anode-reducing redesign effort in legacy opto-feedback layouts.

Applications

Isolated DC-DC Converter

Core Voltage POL Regulator

Use Scenario: Secondary-side voltage regulation in flyback or forward converters using optocoupler feedback.

IC Role / Device Role / Timing Role: Shunt reference providing precise 0.6V threshold to control optocoupler LED current and thus primary-side duty cycle.

Use Value: Enables stable 0.6V–1.2V output regulation with <12 mV drift over -40°C to +125°C, eliminating need for secondary-side LDO post-regulation.

Use Scenario: Point-of-load regulation for FPGA, ASIC, or DSP core supplies requiring tight voltage accuracy below 1V.

IC Role / Device Role / Timing Role: Adjustable shunt reference setting feedback node for synchronous buck controller or discrete LDO pass element.

Use Value: Delivers ±1% initial accuracy and <6 mV drift over 0°C–85°C-meeting JEDEC JESD8-12A core voltage tolerance requirements.

Low-Dropout Linear Regulator

Adjustable Voltage Reference

Use Scenario: Low-noise, low-quiescent linear regulator built with external PNP pass transistor and local feedback.

IC Role / Device Role / Timing Role: Precision 0.6V reference driving pass transistor base; IN pin powered from filtered auxiliary rail.

Use Value: Achieves <0.2V dropout at full load by decoupling IN and OUT domains-enabling regulation from 0.8V input to 0.6V output.

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

IC Role / Device Role / Timing Role: High-stability 0.6V reference scaled via resistor network to generate 1.2V, 2.5V, or 5.0V precision references.

Use Value: Provides <0.4 Ω dynamic output impedance and <3.8 mV load regulation-minimizing code-dependent errors in 16-bit data converters.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLV431ACDBVR	Higher V_REF = 1.24V; ±0.5% initial tolerance; no separate PGND pin; max I_OUT = 15 mA.	Cannot regulate rails below 1.24V without external level shift; unsuitable for 0.6V–0.9V core supplies.	Select only if 1.24V reference suffices and space-constrained SOT23-3 footprint is mandatory.
ZXRE160ET5TA	Higher V_FB = 1.6V; same pinout and package; ±0.5%/±1% grades; identical temp range and PSRR.	Designed for 1.6V+ rails (e.g., DDR memory, I/O supplies); not interchangeable for sub-1V regulation.	Choose when regulating 1.6V–5V rails and needing identical thermal/mechanical fit with ZXRE060 layout.

Compared with TLV431ACDBVR and ZXRE160ET5TA, the ZXRE060ET5TA uniquely enables direct 0.6V rail regulation without external components, supports lower dropout operation via separated IN/OUT pins, and maintains tighter low-voltage accuracy critical for advanced process node processors.

Availability

ZXRE060ET5TA is available at Aetrix Electronics and suitable for isolated DC-DC converters, microprocessor core voltage POL regulators, and low-dropout linear regulator designs requiring stable component supply across automotive, industrial, and computing applications.

Supply support for ZXRE060ET5TA 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 power management, signal integrity, and protection solutions.

The ZXRE series targets precision voltage regulation in space-constrained, thermally demanding applications-designed specifically for isolated power systems, low-voltage core supplies, and programmable reference circuits requiring sub-1V accuracy.

FAQ

What is the minimum input voltage required for stable operation of ZXRE060ET5TA?

The ZXRE060ET5TA requires a minimum IN voltage of 2.2 V over the full -40°C to 0°C range and 2.0 V from 0°C to +125°C. This ensures sufficient headroom for the internal reference and amplifier to maintain regulation at the 0.6 V FB threshold, even with worst-case process and temperature variation.

Can ZXRE060ET5TA be used without an external compensation capacitor?

No-external compensation capacitor C2 (0.1 µF to 10 µF) is required between OUT and GND for stability in all configurations. Omission risks oscillation due to phase margin degradation, especially when driving capacitive loads or optocouplers with long PCB traces, as confirmed in Figure 2–9 of DS33611 Rev. 7-3.

How does the separate PGND and GND pins improve performance?

Separating PGND (power ground for output transistor) from GND (analog ground for reference and amplifier) prevents high-current switching noise on the power path from modulating the reference voltage. This reduces output ripple and improves PSRR-verified by >45 dB rejection at 300 kHz in electrical characteristics testing.

Is ZXRE060ET5TA pin-compatible with TL432 in TSOT23-5 package?

Yes-ZXRE060ET5TA's OUT, FB, and GND pins (pins 3, 4, 5) map directly to TL432's cathode, reference, and anode pins in SOT23-3 layout. This enables mechanical and functional upgrade paths in existing opto-feedback designs, though FB voltage differs (0.6 V vs. 2.495 V), requiring resistor network recalibration.

ZXRE060ET5TA 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:: ±1%

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

ZXRE060ET5TA FAQ

1.How can I place an order for ZXRE060ET5TA through Aetrix?

Please submit a Request for Quotation (RFQ) for ZXRE060ET5TA 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 ZXRE060ET5TA reliable?

The price and inventory of ZXRE060ET5TA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZXRE060ET5TA is usually 5 days.

3.What payment methods are accepted for ZXRE060ET5TA?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZXRE060ET5TA transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ZXRE060ET5TA?

ZXRE060ET5TA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ZXRE060ET5TA 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 ZXRE060ET5TA?

For technical support, including ZXRE060ET5TA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZXRE060ET5TA requirements.

6.How does Aetrix verify that ZXRE060ET5TA is sourced from the original manufacturer or authorized distributors?

All ZXRE060ET5TA 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 ZXRE060ET5TA meets industry standards.

7.What is the process for return or replacement of ZXRE060ET5TA?

All ZXRE060ET5TA units undergo pre-shipment inspection (PSI). If there is an issue with ZXRE060ET5TA, 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 ZXRE060ET5TA part is unused and in its original packaging.

Return procedure for ZXRE060ET5TA:

1.Submit a request within 90 days.

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

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