Description
Voltage Regulators AN8049FHN 1.8-volt 3-channel step-up, step-down, and polarity inverting DC-DC converter control IC Unit: mm s Overview The AN8049.
Features
* low-voltage operation. This IC can form a power supply that provides two stepup outputs and one step-down or polarity inverted output with a minimal number of external components. Minimal operating supply voltage of this IC is as low as 1.8 V, so that it can operate from 2 dry-batteries. And also, iApplications
* Electronic equipment that requires a power supply system 1 AN8049FHN s Block Diagram CTL1 VREF OSC IN-1 DT1 VCC FB1 Voltage Regulators 22 21 14 5 2 15 Reference voltage supply VREF 1.26 V (Allowance: ±1%) 1.1 mA 7 50 kΩ Triangular wave generator Error amplifier 1 20 kΩ 1.26AN8049FHN Distributors
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