Microchip Technology MIC38C42
The MIC38C4x are fixed-frequency, high performance, current-mode PWM controllers. When compared to bipolar 384x devices operating from a 15V supply, start-up current has been reduced to 50 μA typical and operating current has been reduced to 4.0 mA typical.| Part No. | MIC38C42 |
|---|---|
| Datasheet | MIC38C42 Download |
| Manufacturer |  Microchip Technology |
| Description | BiCMOS Current-Mode PWM Controllers |
| Buy | Stock & Price |
FEATURES
● Fast 40 ns Output Rise and 30 ns Output Fall Times● –40°C to +85°C Ambient Temperature Range Meets UC284x Specifications
● High-Performance, Low-Power BiCMOS Process
● Ultra-Low Start-Up Current (50 μA Typical)
● Low Quiescent Operating Current (4 mA Typical)
● CMOS Outputs with Rail-to-Rail Swing
● Up to 500 kHz Current-Mode Operation
● Trimmed 5V Bandgap Reference
● Pin-for-Pin Compatible with UC3842/3843/3844/3845(A)
● Trimmed Oscillator Discharge Current
● UVLO with Hysteresis
● Low Cross-Conduction Currents
APPLICATIONS
● Current-Mode, Offline, Switched-Mode Power Supplies● Current-Mode, DC-to-DC Converters
● Step-Down Buck Regulators
● Step-Up Boost Regulators
● Flyback, Isolated Regulators
● Forward Converters
● Synchronous FET Converters Package Types MIC38C42/43/44/45 8-Lead SOIC (M) 8-Lead MSOP (MM) 8-Lead DIP (N) COMP 1 FB 2 ISNS 3 RT/CT 4 8 VREF 7 VDD 6 OUT 5 GND
GENERAL DESCRIPTION
Microchip’s BiCMOS devices are pin compatible with 384x bipolar devices, but feature several improvements.
