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AN79L20ME1
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Product Detailed Parameters
- Description：IC REG LINEAR -20V 100MA 3-HSIP
- Series：-
- Mfr：Panasonic Electronic Components
- Package：Tape & Reel (TR)
- Output Configuration：Negative
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：-40V
- Voltage - Output (Min/Fixed)：-20V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：100mA
- Current - Quiescent (Iq)：5 mA
- Current - Supply (Max)：-
- PSRR：49dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature
- Operating Temperature：0°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：TO-243AA
- Supplier Device Package：3-HSIP
- Grade：-
- Qualification：-
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Overview
The AN79L20ME1 is a Panasonic monolithic voltage regulator providing a fixed negative output of −20V with a maximum current capacity of 100mA. It operates from an unstable DC input and requires no external components for basic regulation. The device features built-in overcurrent limiting and thermal overload protection circuits to ensure operational safety under fault conditions.
Feature Summary
- Integrated overcurrent limit circuit protects against short-circuit faults
- Built-in thermal overload protection prevents damage during overheating
- Fixed negative output voltage eliminates the need for external adjustment components
Applications
- Power supply circuits requiring stable negative voltage rails
- Electronic equipment utilizing dual-polarity power systems
- General-purpose analog signal conditioning stages
Procurement Notes
Verify that the specific ordering suffix matches the required package type (SSIP or HSIP) and lead-free status, as dimensions differ between legacy and new packages. Confirm the manufacturer's latest datasheet revision to ensure compliance with updated electrical characteristics and environmental directives before finalizing procurement orders.
Selection Notes
Select this component when a fixed −20V negative rail is needed for low-current applications up to 100mA. Ensure the input voltage remains within the absolute maximum rating of −35V while maintaining sufficient headroom above the minimum dropout voltage. Verify that the operating ambient temperature falls within the specified range for the chosen package variant.
Part Context
This part belongs to the AN79Lxx series of three-pin negative output voltage regulators manufactured by Panasonic Electronic Components. The series offers various fixed voltage options ranging from −4V to −24V, designed for general electronic equipment applications where compact size and simple implementation are prioritized.
Replacement Considerations
Check Panasonic documentation for direct pin-compatible alternatives within the AN79Lxx family. Verify if the newer lead-free package variants (SSIP003-P-0000S or HSIP003-P-0000Q) serve as valid replacements for older versions.
