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KA7905 is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists onsemi. Its product description is IC REG LINEAR -5V 1A TO220-3. Review the specifications below when checking this part for your BOM.
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for KA7905
- Description：IC REG LINEAR -5V 1A TO220-3
- Series：-
- Mfr：onsemi
- Package：Bulk
- Output Configuration：Negative
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：-35V
- Voltage - Output (Min/Fixed)：-5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：2V @ 1A (Typ)
- Current - Output：1A
- Current - Quiescent (Iq)：6 mA
- Current - Supply (Max)：-
- PSRR：60dB (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-220-3
- Grade：-
- Qualification：-
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for KA7905
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview
The KA7905 is a three-terminal negative voltage regulator from the KA79XX series, manufactured by onsemi. It provides a fixed output voltage of -5 V with a tolerance of ±4%. The device supports an output current in excess of 1 A and operates within a temperature range of 0 to +125 °C. It utilizes a TO-220 package with dual gauge leads.
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary
- Internal thermal overload protection
- Short-circuit protection
- Output transistor safe operating area compensation
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications
- Negative fixed output power supplies
- Split power supply systems
- Electronic equipment requiring regulated negative voltage rails
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes
Verify the specific ordering suffix (e.g., TU) for the required package variation and packing method. Confirm that the component status aligns with project lifecycle requirements, as legacy parts may have limited availability or obsolescence risks. Ensure compliance with environmental directives applicable to the region of deployment.
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes
Select this regulator when a stable -5 V negative rail is required for analog or digital circuits. Consider the thermal resistance characteristics and ensure adequate heat sinking is provided to maintain junction temperatures within the specified operating range during high-load conditions.
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context
This component belongs to the KA79XX / KA79XXA / LM79XX family of three-terminal negative regulators. These devices are designed to complement positive regulator series and are widely used in general-purpose power supply applications requiring reliable negative voltage regulation.
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations
LM7905CT
Voltage Regulators - Linear, Low Drop Out (LDO) Regulators FAQ
What is the maximum input voltage rating?
The absolute maximum input voltage rating is -35 V.
Does the device include internal protection features?
Yes, it includes internal current limiting, thermal shutdown, and safe operating area protection.
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