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Diodes Incorporated ZSR600GTA
- Part No.:
- ZSR600GTA
- Manufacturer:
- Diodes Incorporated
- Package:
- TO-261-4, TO-261AA
- Datasheet:
-
ZSR600GTA.pdf
- Description:
- IC REG LINEAR 6V 200MA SOT223
- Quantity:
- Payment:
- Shipping:
Inventory:4,219
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Product details
Overview
ZSR600GTA from Zetex plc is a fixed-output positive voltage regulator delivering 6.0 V ±2.5% at up to 200 mA, featuring internal current limiting and thermal shutdown. It operates across –55°C to +125°C, maintains regulation with input as low as 7.7 V, and achieves 90 µVrms output noise (10 Hz–10 kHz) - ideal for space-constrained industrial sensor nodes requiring stable local power.
For engineers reviewing the ZSR600GTA datasheet, ZSR600GTA pinout, ZSR600GTA application, or ZSR600GTA equivalent, key selection criteria include dropout behavior at 100 mA, ripple rejection of 48–62 dB at 120 Hz, load/line regulation performance, and SOT223 thermal resistance (24°C/W at DC, derated per pulse width).
Technical Context
The ZSR600GTA implements a monolithic linear regulator architecture with integrated bandgap reference, error amplifier, pass transistor, and protection circuitry. Its design eliminates need for external compensation components while ensuring stability under all load and input conditions.
Thermal shutdown activates when junction temperature exceeds design limit (e.g., during short-circuit or high ambient), and internal current limiting caps peak output at ~400 mA (temperature-dependent). Input transient suppression requires ≥1 µF input capacitance to prevent overvoltage during shutdown events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 6.0 V ±2.5% (5.85–6.15 V) at 1–200 mA load; tight initial tolerance enables precision biasing without trimming |
| Input Voltage Range | 8.0 V to 20 V min required to maintain regulation; dropout voltage ≤2.0 V at 100 mA ensures operation with modest headroom |
| Quiescent Current | 350 µA typical (≤600 µA max); enables ultra-low-power standby in battery-backed systems |
| Ripple Rejection | 48–62 dB at 120 Hz (Vin = 9–18 V); suppresses AC line artifacts in analog front-ends and ADC references |
| Load Regulation | ≤7 mV change over 1–200 mA load; supports consistent voltage delivery across dynamic digital loads |
| Line Regulation | ≤10 mV change over 8–20 V input; minimizes sensitivity to upstream supply variation |
| Output Noise | 90 µVrms (10 Hz–10 kHz); suitable for low-noise analog signal chains and RF bias rails |
Pinout & Package
The ZSR600GTA is supplied in the SOT223 surface-mount package (suffix "G"), with thermal pad connected to Pin 2 (GND) for optimal PCB heat dissipation. Maximum continuous power dissipation is 2 W at 25°C ambient, linearly derated to zero at 125°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (IN) | Input voltage supply | Accepts 8–20 V DC; requires ≥1 µF ceramic capacitor to ground for transient immunity during thermal shutdown |
| Pin 2 (GND) | Ground reference and thermal pad | Primary return path and thermal conduction node; must be soldered to ≥2-inch² copper pour for rated power handling |
| Pin 3 (OUT) | Regulated output | Delivers stable 6.0 V; no external capacitor required for stability, but 1–10 µF output capacitance improves transient response |
| Pin 4 (NC) | No-connect terminal | Electrically isolated; may be left floating or tied to Pin 2 for mechanical reinforcement only - not functional |
Key Features
| Feature | Design Value |
|---|---|
| No external components required | Fully internally compensated - eliminates risk of oscillation and reduces BOM count in compact PCB layouts |
| Internal thermal shutdown | Self-protecting under overload or high ambient; automatically recovers after cooldown without latch-up |
| Internal short-circuit current limit | Clamps output to ~400 mA (temperature-dependent), preventing damage during sustained fault conditions |
| Wide operating temperature range | –55°C to +125°C junction rating supports deployment in automotive engine bays and industrial control cabinets |
| Low quiescent current | 350 µA typical enables >1-year battery life in always-on IoT sensors drawing <10 µA average system current |
Applications
| Industrial Sensor Node Power | Automotive Cabin Control Module |
|---|---|
|
Use Scenario: Local 6 V rail for MEMS pressure sensor, ADC, and low-power MCU in sealed enclosure with ambient up to 105°C. IC Role / Device Role / Timing Role: Fixed-output linear regulator providing clean, stable bias independent of main 12 V vehicle bus fluctuations. Use Value: Eliminates need for external capacitors or feedback resistors; thermal shutdown prevents failure during connector hot-plug transients. |
Use Scenario: Powering HVAC display backlight driver IC and touch controller in dashboard assembly. IC Role / Device Role / Timing Role: Local post-regulator converting switched 12 V supply to noise-immune 6 V for analog interface circuitry. Use Value: 90 µVrms noise and 62 dB ripple rejection ensure flicker-free LED dimming and accurate capacitive touch sensing. |
| Programmable Logic Controller I/O Module | Medical Patient Monitor Front-End |
|
Use Scenario: Isolated 6 V supply for optocoupler input stages and level-shifting logic in DIN-rail mounted PLC base unit. IC Role / Device Role / Timing Role: Fault-tolerant local regulator with built-in current limit and thermal protection for field-side power domains. Use Value: Withstands repeated short-circuits on field wiring without degradation; -55°C to +125°C rating covers full industrial temperature range. |
Use Scenario: Biasing low-noise instrumentation amplifier and ECG analog front-end in portable patient monitor. IC Role / Device Role / Timing Role: Ultra-low-noise 6 V source decoupled from noisy digital subsystems via physical layout separation. Use Value: 90 µVrms output noise and <0.15 mV/°C tempco preserve microvolt-level signal integrity across body temperature variations. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fixed-output linear regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV76660QWDRBRQ1 | 6.0 V, 500 mA, 125 µVrms noise, 65 dB PSRR, requires 1 µF input/output caps | Higher current, automotive AEC-Q100 qualified; needs external caps and tighter layout control | Preferred where higher load current or automotive qualification is mandatory |
| MCP1703T-6002E/MB | 6.0 V, 250 mA, 35 µVrms noise, 70 dB PSRR, 6 µA quiescent current | Ultra-low IQ but lower max current and narrower input range (2.7–16 V) | Better for battery-powered devices needing <10 µA sleep current, less suited for 200 mA continuous loads |
Compared with TLV76660QWDRBRQ1 and MCP1703T-6002E/MB, the ZSR600GTA offers superior thermal robustness (-55°C to +125°C), zero external component requirement, and proven field reliability in harsh industrial environments - at the trade-off of higher quiescent current and moderate PSRR.
Availability
ZSR600GTA is available at Aetrix Electronics and suitable for industrial sensor nodes, automotive cabin electronics, programmable logic controller I/O modules, and medical patient monitor front-ends requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ZSR600GTA 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
Zetex plc (now part of Diodes Incorporated) is a UK-based semiconductor company specializing in high-reliability analog and power management ICs for industrial and automotive markets.
The ZSR Series was designed specifically for ruggedized local voltage regulation in space-constrained, thermally demanding applications - emphasizing fault tolerance, wide temperature operation, and minimal external component count.
FAQ
What is the minimum input voltage required for ZSR600GTA to maintain regulation at full 200 mA load?
The ZSR600GTA requires a minimum input voltage of 8.0 V to maintain 6.0 V output regulation at 200 mA load, per datasheet test condition Vin=8 to 20 V. At lighter loads (e.g., 100 mA), regulation holds down to 7.7 V, but 8.0 V is the guaranteed minimum across full load and temperature range.
Can ZSR600GTA be used without an input capacitor?
No - a minimum 1 µF ceramic capacitor must be placed between IN and GND pins. This is required to absorb input transients during thermal shutdown events; omission risks exceeding the 20 V absolute maximum input rating and causing permanent damage.
Is the SOT223 package's Pin 4 electrically functional?
No - Pin 4 is a no-connect terminal. The datasheet explicitly states it may be left electrically isolated or connected to Pin 2 (GND) solely for mechanical reinforcement; it carries no internal circuit connection and must not be used as a signal or power path.
How does ZSR600GTA handle short-circuit conditions?
Under short-circuit, the ZSR600GTA activates its internal current limit (~400 mA at 25°C, decreasing with rising junction temperature) and thermal shutdown circuit. It cycles on/off autonomously until fault removal, with full recovery upon cooling - no latch-up or manual reset required.
ZSR600GTA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-261-4, TO-261AA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 20V
- Voltage - Output (Min/Fixed):
- 6V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- -
- Current - Output:
- 200mA
- Current - Quiescent (Iq):
- 600 µA
- Current - Supply (Max):
- -
- PSRR:
- 62dB (120Hz)
- Control Features:
- -
- Protection Features:
- Over Temperature, Short Circuit
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-223-3
ZSR600GTA FAQ
1.How can I place an order for ZSR600GTA through Aetrix?
Please submit a Request for Quotation (RFQ) for ZSR600GTA 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 ZSR600GTA reliable?
The price and inventory of ZSR600GTA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZSR600GTA is usually 5 days.
3.What payment methods are accepted for ZSR600GTA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZSR600GTA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ZSR600GTA?
ZSR600GTA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ZSR600GTA 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 ZSR600GTA?
For technical support, including ZSR600GTA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZSR600GTA requirements.
6.How does Aetrix verify that ZSR600GTA is sourced from the original manufacturer or authorized distributors?
All ZSR600GTA 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 ZSR600GTA meets industry standards.
7.What is the process for return or replacement of ZSR600GTA?
All ZSR600GTA units undergo pre-shipment inspection (PSI). If there is an issue with ZSR600GTA, 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 ZSR600GTA part is unused and in its original packaging.
Return procedure for ZSR600GTA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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