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AN79L09
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Product Detailed Parameters
- Description：IC REG LINEAR -9V 100MA 3-SSIP
- Series：-
- Mfr：Panasonic Electronic Components
- Package：Bulk
- Output Configuration：Negative
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：-35V
- Voltage - Output (Min/Fixed)：-9V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：100mA
- Current - Quiescent (Iq)：5 mA
- Current - Supply (Max)：-
- PSRR：53dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature
- Operating Temperature：0°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：3-SSIP
- Grade：-
- Qualification：-
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Overview
The AN79L09 is a monolithic negative output voltage regulator providing a fixed -9V DC output. It operates with an input voltage range of -12V to -24V and supports a maximum load current of 100mA. The device incorporates built-in overcurrent limiting and thermal overload protection circuits for internal safety. Electrical characteristics include a typical line regulation of 3mV, load regulation of 58mV, and ripple rejection of 80dB at 120Hz. It is available in SSIP003-P-0000 and HSIP003-P-0000B packages.
Feature Summary
- Provides stabilized fixed negative output voltage without requiring external components.
- Includes integrated overcurrent limit circuitry to protect against excessive load currents.
- Features built-in thermal overload protection circuit to prevent damage from overheating.
Applications
- Power supply circuits requiring stable negative voltage rails
- General electronic equipment power conditioning
- Communication equipment biasing
Procurement Notes
Verify the specific package variant (SSIP or HSIP) required for your design, as pinouts differ between series. Confirm lead-free status if applicable, noting that package types may transition to lead-free versions like SSIP003-P-0000S. Always check the latest Panasonic datasheet for updated specifications before finalizing procurement, as product standards are subject to change without notice.
Selection Notes
Select this component when a fixed -9V negative rail is needed for low-current applications up to 100mA. Ensure the input voltage remains within the specified -12V to -24V range to maintain proper regulation. Consider the thermal dissipation capabilities based on the chosen package and ambient temperature conditions. Verify that the minimum input-output voltage difference is sufficient for the expected operating load current.
Part Context
The AN79L09 belongs to the AN79Lxx/AN79LxxM series of three-pin negative voltage regulators manufactured by Panasonic. This family offers twelve different fixed output voltages ranging from -4V to -24V. These regulators are designed for standard electronic applications such as office equipment, communications gear, and measuring instruments, providing a compact solution for negative power supply generation.
Replacement Considerations
Check Panasonic's official cross-reference tools for equivalent parts. Verify pinout compatibility, specifically regarding Input, Common, and Output assignments, as these vary between the AN79Lxx and AN79LxxM series packages.
