Here is the English description of the MC7905BTG chip:

• Function: Negative Voltage Regulator
• Input Voltage Range: -12V to -1.5V
• Output Voltage: -5V
• Output Current: Up to 100mA
• Dropout Voltage: 2V (max)
• Package: SOT-23-5

The MC7905BTG from ON Semiconductor is a negative voltage linear regulator capable of providing a fixed -5V output from a negative input supply.

Key Features:

• Fixed -5V output voltage
• Wide -12V to -1.5V input voltage range
• Up to 100mA continuous output current
• 2V (max) low dropout voltage
• Compact SOT-23-5 package

Common Applications:

• Dual/triple rail power supplies
• Negative rail circuits for op-amps/comparators
• Biasing/reference circuits requiring -5V

Benefits Include:

• Provides simple solution for -5V power needs
• Allows flexible negative supply inputs
• Small footprint enables board space efficiency

Well-suited for applications where an established -5V supply is required to bias analog/mixed-signal ICs from a negative input rail.

In summary, the MC7905BTG delivers a stable -5V output with wide compatibility in a miniature package.

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