2A Step-Down Voltage Regulator

AT1799 is a voltage-mode PWM Step-down DC-DC converter capable of driving up to 2A loads over a wide input supply range with excellent line and load regulation characteristics. High efficiency is obtained through the use of a low Rds(on) P-channel power Switch It uses a fixed switching frequency up to 380KHz thus allowing smaller sized components. The output voltage level is user-programmable via an external resistive voltage divider. The built-in soft-start CAN reduce inrush current on the input source at turn on. The device also has built-in cycle-by-cycle current-limit, thermal shutdown, under-voltage lockout and an ON/OFF logic-control that CAN power down the Regulator to a shutdown mode. In shutdown mode the Regulator draws less than 20uA of supply current. When a short circuit is detected on the output , the device immediately change switching frequency to 42 KHz and duty cycle is limited to 5% to protect IC from damage. By Aimtron Technology
AT1799 's PackagesAT1799 's pdf datasheet
AT1799S SOP
AT1799S-GRE SOP




AT1799 Pinout, Pinouts
AT1799 pinout,Pin out
This is one package pinout of AT1799,If you need more pinouts please download AT1799's pdf datasheet.

AT1799 Application circuits
AT1799 circuits
This is one application circuit of AT1799,If you need more circuits,please download AT1799's pdf datasheet.


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