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

Diodes Incorporated ZXRE060AH5TA

Name: ZXRE060AH5TA
Brand: Diodes Incorporated
SKU: ZXRE060AH5TA
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ZXRE060AH5TA

Manufacturer:: Diodes Incorporated

Category:: Voltage Reference

Package:: 5-TSSOP, SC-70-5, SOT-353

Datasheet:: ZXRE060AH5TA.pdf

Description:: IC VREF SHUNT ADJ 0.5% SC70-5

Quantity:: RFQ Add To RFQ list

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Product details

Overview

ZXRE060AH5TA from Diodes Incorporated is a 5-pin 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 separate IN/OUT pins, open-collector output (0.2V–18V), and enables isolated DC-DC regulation down to 0.6V rails for microprocessor core voltage POL converters.

For engineers reviewing the ZXRE060AH5TA datasheet, ZXRE060AH5TA pinout, ZXRE060AH5TA application, or ZXRE060AH5TA equivalent, key selection factors include its low 0.6V V_FB, <12mV temp drift over –40°C to +125°C, 15mA max output sink current, and SC70-5/SOT353 package compatibility with space-constrained power management designs.

Technical Context

The ZXRE060AH5TA implements a high-accuracy bandgap reference (0.6V nominal) driving an open-collector NPN output stage, with independent PGND and GND pins enabling separation of power and analog ground paths. Its amplifier transconductance is 5000 mA/V and unity-gain bandwidth is 600 kHz.

It operates with input voltage range 2.2V–18V (–40°C to 0°C) or 2V–18V (0°C to +125°C), supports output regulation from 0.2V to 18V, and maintains <1 mV line regulation over full VIN range - critical for stable feedback in opto-isolated converters.

Key Specifications

Parameter	Value and Actual Design Meaning
V_FB	0.6V nominal; sets regulated output via external resistor divider; enables 0.6V core rail control
V_FB Tolerance	±0.5% at +25°C (A-grade); ensures tight output accuracy without trimming in production
Temp Drift	<12mV over –40°C to +125°C; guarantees stable regulation across automotive/industrial thermal ranges
I_OUT Max	15mA sink capability; sufficient to drive optocoupler LEDs or small gate drivers directly
PSRR	>45dB at 300kHz; suppresses high-frequency noise on auxiliary supply rails feeding the IN pin
Z_OUT	0.6Ω max dynamic output impedance; maintains loop stability with minimal external compensation
V_IN Range	2V–18V; allows operation from low-voltage aux rails while regulating higher main rails

Pinout & Package

Package: SC70-5/SOT353 - ultra-compact 1.25mm × 2.1mm surface-mount package with 0.65mm pitch; rated θ_JA = 400°C/W, P_DIS = 310mW at T_A = +25°C.

Pin/Terminal	Circuit Role	Design Meaning
1 (PGND)	Power Ground	Emitter return path for output transistor; must be tied to GND but kept low-impedance for power switching
2 (N/C)	No Connection	Internally unconnected; leave floating or avoid PCB pad to prevent parasitic coupling
3 (OUT)	Open-Collector Output	Sinks up to 15mA; connects to cathode of optocoupler LED or base of series pass transistor
4 (FB)	Feedback Input	Compares 0.6V internal reference; connects to voltage divider midpoint on regulated rail
5 (GND)	Analog Ground	Reference and amplifier ground return; tie to PGND at single point near device for noise isolation

Key Features

Feature	Design Value
0.6V reference voltage	Enables direct regulation of sub-1V microprocessor core supplies without level-shifting circuitry
Separate IN/OUT pins	Permits powering from auxiliary rail while controlling master rail at different voltage - essential for isolated flyback feedback
0.2V–18V output compliance	Supports sinking current even when output rail drops below 0.6V (e.g., during startup or fault conditions)
High PSRR (>45dB @ 300kHz)	Rejects switching noise from adjacent DC-DC stages, preserving feedback loop integrity
Low FB bias current (≤–45nA)	Minimizes resistor-divider loading error; enables use of high-value resistors for low quiescent current

Applications

Isolated DC-DC Converters

Core Voltage POL Converters

Use Scenario: Secondary-side feedback in flyback or forward converters using optocouplers.

IC Role / Device Role / Timing Role: Precision shunt reference providing stable 0.6V reference to drive optocoupler LED; OUT pin sinks current proportional to output deviation.

Use Value: Enables accurate regulation of isolated outputs down to 0.6V with <12mV total temp drift - critical for maintaining ±1% output tolerance across temperature.

Use Scenario: Point-of-load regulation for FPGA, DSP, or ASIC core supplies requiring 0.6V–1.2V at up to 20A.

IC Role / Device Role / Timing Role: Feedback element in low-dropout linear regulators or as error amplifier in discrete LDOs with external pass transistor.

Use Value: 0.6V V_FB eliminates need for resistive scaling of core rail voltage, reducing divider error and improving load transient response.

Low-Voltage LDOs

Adjustable Voltage References

Use Scenario: Low-input-voltage linear regulators where VIN may be only 100–200mV above V_OUT.

IC Role / Device Role / Timing Role: Shunt regulator controlling base/gate of series pass element; IN pin powered from same rail as OUT, leveraging 0.2V output compliance.

Use Value: Supports dropout voltages as low as 200mV - enables efficient regulation from battery or intermediate bus rails near core voltage.

Use Scenario: Programmable reference source for ADCs, DACs, or comparators requiring precise, temperature-stable voltage setpoints.

IC Role / Device Role / Timing Role: Adjustable shunt reference with external resistor network; FB pin used as high-impedance sense node.

Use Value: ±0.5% initial tolerance and <12mV drift ensure reference accuracy remains within 0.7% over full industrial temperature range.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
TLV431AIDBVR	Higher 1.24V reference; ±0.5% tolerance; 100µA max I_K; SOT23-3 package	Cannot regulate below 1.24V without external scaling; unsuitable for direct 0.6V core rails	Select when 1.24V reference suffices and board space favors 3-pin SOT23
ZXRE160AET5TA	1.6V reference; same package/pinout; ±0.5% tolerance; lower temp drift (<8mV –40°C to +125°C)	Requires resistor divider for sub-1.6V rails; better for 1.8V+ applications needing tighter drift	Choose for higher-voltage rails where improved drift performance justifies reference scaling overhead

Compared with TLV431AIDBVR and ZXRE160AET5TA, the ZXRE060AH5TA uniquely delivers 0.6V reference without external level-shifting, making it the only option for direct sub-1V regulation in compact SC70-5 layouts - critical for next-gen low-power SoC power delivery.

Availability

ZXRE060AH5TA is available at Aetrix Electronics and suitable for isolated DC-DC converters, microprocessor core voltage POL converters, and low-voltage LDO designs requiring stable component supply across automotive, industrial, and embedded computing programs.

Supply support for ZXRE060AH5TA 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 power management, signal integrity, and protection solutions for industrial, computing, and consumer markets.

The ZXRE060 belongs to Diodes' precision shunt regulator product line, engineered specifically for isolated and low-voltage point-of-load regulation - emphasizing ultra-low reference voltage, wide output compliance, and thermal stability in miniature packages.

FAQ

What is the minimum operating voltage at the IN pin?

The ZXRE060AH5TA requires a minimum IN voltage of 2.0V over –40°C to +125°C and 2.2V over –40°C to 0°C. This ensures proper biasing of the internal reference and amplifier. Operation below these thresholds risks loss of regulation and increased output drift; design margin should include 100–200mV headroom for ripple and drop.

Can the FB pin be used without external resistors?

No - the FB pin must be connected to a resistor divider between the regulated output and ground to set the target voltage. With no external network, the device cannot establish closed-loop regulation. The 0.6V reference is internal only; FB serves solely as a high-impedance comparison node (bias current ≤–45nA), not a buffered output.

How does the N/C pin affect PCB layout?

Pin 2 is internally unconnected and must remain floating - no trace, pad, or copper pour should connect to it. Including a pad risks parasitic capacitance or ESD coupling into adjacent pins (especially FB or OUT), degrading noise immunity and loop stability. Recommended practice is to omit the pad entirely in footprint design.

Is the exposed flag on DFN1520H4-6 present in SC70-5/SOT353?

No - the exposed flag (thermal pad) exists only in the DFN1520H4-6 package, where it is electrically isolated and intended to be connected to GND for thermal enhancement. The SC70-5/SOT353 package has no exposed pad; its thermal path relies solely on leads. Layouts for ZXRE060AH5TA must omit thermal vias or solder paste under the package body.

ZXRE060AH5TA Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Package/Case:: 5-TSSOP, SC-70-5, SOT-353

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:: SC-70-5

ZXRE060AH5TA FAQ

1.How can I place an order for ZXRE060AH5TA through Aetrix?

Please submit a Request for Quotation (RFQ) for ZXRE060AH5TA 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 ZXRE060AH5TA reliable?

The price and inventory of ZXRE060AH5TA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZXRE060AH5TA is usually 5 days.

3.What payment methods are accepted for ZXRE060AH5TA?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZXRE060AH5TA transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ZXRE060AH5TA?

ZXRE060AH5TA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ZXRE060AH5TA 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 ZXRE060AH5TA?

For technical support, including ZXRE060AH5TA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZXRE060AH5TA requirements.

6.How does Aetrix verify that ZXRE060AH5TA is sourced from the original manufacturer or authorized distributors?

All ZXRE060AH5TA 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 ZXRE060AH5TA meets industry standards.

7.What is the process for return or replacement of ZXRE060AH5TA?

All ZXRE060AH5TA units undergo pre-shipment inspection (PSI). If there is an issue with ZXRE060AH5TA, 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 ZXRE060AH5TA part is unused and in its original packaging.

Return procedure for ZXRE060AH5TA:

1.Submit a request within 90 days.

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

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