
TelCom Semiconductor, Inc
GENERAL DESCRIPTION
The TC38C43 is a current mode BiCMOS PWM control IC. With a low 1.0 mA supply current along with high drive current (0.7A peak) it provides a low cost solution for a PWM that operates to 500 kHz and directly drives MOSFETs up to HEX 3 size.
FEATURES
■ Low Power BiCMOS Design
■ Tough CMOSTM Construction
■ Low Supply Current ............. 1.0mA Typ @ 100kHz
■ Wide Supply Voltage Operation .............. 8V to 15V
■ Latch-Up Immunity ................... 500mA on Outputs
■ Input Will Withstand Negative Inputs to – 5 Volts
■ High Output Drive .................................... 0.7A Peak (1.2A on 14-Pin and 16-Pin Versions)
■ 2 kV ESD Protection
■ Current Mode Control
■ Fast Rise/Fall Time (Max)........... 60nsec @ 1000pF
■ High Frequency Operation ..........................500kHz
■ Clock Ramp Reset Current ................. 2.5mA ±10%
■ Low Propagation Delay Current Amp to Output ............................................ 140nsec Typ.
■ Pin Compatible with UC3843