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Product Detailed Parameters
- Description：IC REG LINEAR 8.5V 1.5A TO220
- Series：-
- Mfr：STMicroelectronics
- Package：Tube
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：35V
- Voltage - Output (Min/Fixed)：8.5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：2V @ 1A (Typ)
- Current - Output：1.5A
- Current - Quiescent (Iq)：8 mA
- Current - Supply (Max)：-
- PSRR：56dB (120Hz)
- Control Features：-
- Protection Features：Over Temperature, Short Circuit
- Operating Temperature：0°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220
- Grade：-
- Qualification：-
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Overview
The L7885CV is a three-terminal positive linear voltage regulator from the STMicroelectronics L78 series. It provides a fixed output voltage of 8.5 V with a maximum output current capability of 1.5 A. The device operates within an input voltage range of up to 35 V and supports through-hole mounting in a TO-220 package. Internal protection features include thermal overload shutdown and short-circuit current limiting. Line regulation is specified at 160 mV, and load regulation is also rated at 160 mV. The component functions reliably across an operating temperature range from 0 °C to +125 °C.
Feature Summary
- Provides local on-card regulation to eliminate distribution problems associated with single-point regulation.
- Includes internal thermal overload protection and output short-circuit current limiting for safety.
- Offers transition Safe Operating Area (SOA) protection for the output stage.
Applications
- General power management systems requiring fixed positive voltage rails.
- Local regulation on printed circuit boards to improve power stability.
- Electronic equipment utilizing standard 8.5 V logic or analog circuits.
Procurement Notes
Verify the specific manufacturer part number against official STMicroelectronics documentation to confirm authenticity. Check the current lifecycle status as availability may vary due to production changes. Ensure the TO-220 package type matches the target board layout requirements. Confirm compliance with relevant environmental directives such as RoHS before finalizing procurement decisions.
Selection Notes
Select this component when a fixed 8.5 V output is required with up to 1.5 A load capacity. Consider the thermal dissipation capabilities inherent to the TO-220 package for heat management. Evaluate the input voltage headroom relative to the 35 V maximum limit. Compare line and load regulation specifications against system tolerance requirements.
Part Context
This device belongs to the L78xx family of three-terminal positive regulators. The series is designed for wide application ranges, offering various fixed output voltages. These regulators are characterized by robust internal protection mechanisms and ease of use in standard through-hole configurations.
Replacement Considerations
Consult official substitution guides for compatible parts within the same regulatory family. Verify pinout compatibility and electrical parameter alignment before replacing the component.
