TC120 PDF File ( Datasheet )

TC120 PWM, PFM Step-Down Combination Regulator, Controller Features Internal Switching Transistor Supports 600mA Output Current External Switching Transistor Control for Output Currents of 2A+ 300kH- Oscillator Frequency Supports Small Inductor Size Short Circuit Protection Built-In Undervoltage Lockout 95% Typical Efficiency Automatic Switchover to Current-Saving PFM Mode at Low Output Loads Automatic Output Capacitor Discharge While in Shutdown Programmable Soft-Start Power-Saving Sh

3.65 7.25 8.75 10.15 2.2 4.5 4.85 8.93 55.7 0.5 51.3 46.7 46.0(VA) 37.85(AA) 14.5Max 9.9 K TC1202A 9.7max 5.1 3.20 2.65 0.55 0.45 6.20 5.50 0.70 0.60 1.5 30.0 1.5 4-R1.5 18.96 12.25 1.0 17.78 31.2 A 15- 0.7PTH 15- 1.0PAD 1.6 edge LED or NO B, L 1.6 edge LED or NO B, L DOT SIZE SCALE 5, 1 32.0± 0.5 24.7 17.5 14.5(VA) 11.7(AA) Feature 1 .12x2 characters includes cursor 2. Built-in controller (ST7066 or Equivalent) 3. +5V power supply(Also available for +3V) 3 4. 1, 16 duty cycl