Diodes Incorporated ZSR600N8TA

Overview

ZSR600N8TA from Zetex plc is a fixed-output positive linear voltage regulator delivering 6.0 V ±1.5% at up to 200 mA, featuring internal current limiting and thermal shutdown, stable without external components, and optimized for local regulation in space-constrained PCBs using its SO8 surface-mount package.

For engineers reviewing the ZSR600N8TA datasheet, ZSR600N8TA pinout, ZSR600N8TA application, or ZSR600N8TA equivalent, this device is selected for low-noise, high-stability local power domains where input-to-output differential exceeds 2 V, quiescent current under 600 µA is critical, and operation across –55°C to +125°C must be guaranteed without compensation networks.

Technical Context

The ZSR600N8TA employs a bandgap-referenced error amplifier with integrated pass transistor, enabling output voltage regulation maintained within ±1.5% over load (1–200 mA), line (Vin = 8–20 V), and temperature (–55°C to +125°C). Its architecture eliminates need for external capacitors or feedback resistors.

Thermal protection activates when junction temperature exceeds design limit-typically during sustained overload or short-circuit-and automatically recovers once temperature falls below threshold. Input ripple rejection reaches 48–62 dB at 120 Hz, with output noise limited to 90 µV_rms (10 Hz–10 kHz).

Key Specifications

Pinout & Package

The ZSR600N8TA is housed in an SO8 (Small Outline Integrated Circuit, 8-pin) surface-mount package with standard pin pitch and thermal pad-compatible footprint. Pin 4 is internally connected to Pin 2 (GND) or may be left electrically isolated per layout requirements.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar fixed-output linear regulator applications.

Compared with TLV76060DBVR and MC78LC60DBR2G, the ZSR600N8TA uniquely supports full 200 mA output across the full –55°C to +125°C range with integrated thermal recovery and short-circuit foldback-making it the sole option for ruggedized, high-current local regulation without external protection circuitry.

Availability

ZSR600N8TA is available at Aetrix Electronics and suitable for industrial sensor nodes, automotive body control modules, medical portable monitors, and avionics data acquisition units requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for ZSR600N8TA 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-performance analog and discrete devices, with legacy expertise in precision voltage regulation and ruggedized power management ICs.

The ZSR Series was designed specifically for local voltage regulation in harsh environments-emphasizing intrinsic reliability, wide temperature operation, and elimination of external compensation components for simplified system design.

FAQ

Is ZSR600N8TA stable without output capacitance?

Yes-the ZSR600N8TA is internally compensated and specified to operate stably with zero external output capacitance. Unlike many LDOs, it does not require minimum ESR or capacitance for phase margin; however, adding ≥1 µF ceramic at the input is recommended to suppress transients during thermal shutdown events.

What is the maximum power dissipation for ZSR600N8TA in SO8 package at 25°C?

The SO8 package supports 780 mW maximum power dissipation at T_AMB = 25°C, assuming mounting on a 2-inch square PCB. Derating is linear to zero at 125°C ambient, yielding ~470 mW usable at 85°C ambient-sufficient for 200 mA load with 2 V dropout (i.e., Vin = 8 V, Vout = 6 V).

Does ZSR600N8TA include reverse-polarity protection?

No-ZSR600N8TA lacks reverse-voltage protection. Applying negative voltage to VIN relative to GND may cause irreversible damage. External series diode or MOSFET-based protection is required in systems where input polarity reversal is possible, such as battery-swapped or field-serviceable equipment.

Can ZSR600N8TA be used in parallel for higher current?

No-ZSR600N8TA is not designed for parallel operation. Its output voltage tolerance (±1.5%) and lack of current-sharing features mean mismatched units will result in unequal load distribution and potential thermal runaway. For >200 mA, select a higher-current regulator or redesign the power architecture.