GENERAL DESCRIPTION
The TC35C25 family of PWM controllers are CMOS implementations of the industry standard 3525 voltage mode SMPS ICs.
   
FEATURES
■ Low Power BICMOS Construction
■ Low Supply Current at 20 kHz ............... 1.0mA Typ
■ Latch-Up Immunity ................. >500mA on Outputs
■ Below Rail Input Protection ..............................– 5V
■ High Output Drive ................................ 500mA Peak
■ Fast Rise/Fall Time ..................... 50nsec @ 1000pF
■ High Frequency Operation .................. Up to 1MHz
■ Tri-state Sync Pin for Easy Parallel Operation
■ Under Voltage Hysteresis Guaranteed
■ Shutdown Pin Available
■ Double-Ended
■ Soft Start, With Small Cap
■ Low Prop Delay Shutdown to
    Output ................................................. 140nsec Typ.