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AN77L09
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Product Detailed Parameters
- Description：IC REG LINEAR 9V 100MA TO92-3
- Series：-
- Mfr：Panasonic Electronic Components
- Package：Bulk
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：19.86V
- Voltage - Output (Min/Fixed)：9V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：100mA
- Current - Quiescent (Iq)：5 mA
- Current - Supply (Max)：-
- PSRR：62dB (120Hz)
- Control Features：-
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：-30°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The AN77L09 is a 3-pin, fixed positive output monolithic voltage regulator from the Panasonic AN77Lxx series. It provides a stable 9 V DC output with a maximum current capacity of 100 mA. The device operates within a supply voltage range of (VOUT + 0.53 V) to 19.86 V. It features a typical minimum input/output voltage difference of 0.28 V at 100 mA load. Internal protection circuits include over-current limiting, rush current prevention, overheat protection, and input short-circuit protection.
Feature Summary
- Built-in overcurrent limit circuit for load protection
- Integrated rush current prevention circuit during input voltage rise
- Overheat protection circuit that cuts off output when junction temperature exceeds limits
- Internal input short-circuit protection eliminating the need for external diodes
Applications
- Power supply circuits requiring up to 100 mA current capacity
- Low-voltage equipment utilizing batteries
- Consumer and industrial equipment with significant supply voltage fluctuations
Procurement Notes
Verify component status as the AN77L09 is listed under maintenance or discontinued categories by Panasonic Industry. Confirm availability through official distributors or authorized channels before design finalization. Review the latest product standards on the manufacturer's website for any specification updates or lifecycle changes prior to procurement.
Selection Notes
Select this component for applications requiring a fixed 9 V output with low dropout characteristics. Ensure the input voltage remains within the specified operating range and does not exceed absolute maximum ratings. Design must incorporate a 10 μF output capacitor near the pins to secure stability and prevent oscillation, particularly at low temperatures.
Part Context
The AN77L09 belongs to the AN77Lxx series of silicon monolithic bipolar ICs manufactured by Panasonic Industry. This series comprises 11 types of fixed positive output regulators ranging from 3 V to 12 V. All variants share the same 3-pin plastic shrink single inline package (SSIP) and feature identical internal protection architectures.
Replacement Considerations
Consult the official Panasonic semiconductor catalog for direct substitutes within the AN77Lxx series or equivalent LDO regulators. Verify pinout compatibility and thermal performance requirements before replacing components in existing designs.
