UCC2803MDREP

低功耗BiCMOS电流模式PWM LOW-POWER BICMOS CURRENT-MODE PWM

description

The UCC2800/1/2/3/4/5 family of high-speed, low-power integrated circuits contain all of the control and drive components required for off-line and dc-to-dc fixed frequency current-mode switching power supplies with minimal parts count.

Controlled Baseline

  − One Assembly

  − One Test Site

  − One Fabrication Site

Extended Temperature Performance of −55°C to 125°C

Enhanced Diminishing Manufacturing Sources DMS Support

Enhanced Product Change Notification

Qualification Pedigree†

ESD Protection Exceeds 200 V Using Machine Model C = 200 pF, R = 0

100 µA Typical Starting Supply Current

500 µA Typical Operating Supply Current

Operation to 1 MHz

Internal Soft Start

Internal Fault Soft Start

Internal Leading-Edge Blanking of the Current Sense Signal

1 Amp Totem-Pole Output

70 ns Typical Response from Current-Sense to Gate Drive Output

1.5% Tolerance Voltage Reference

Same Pinout as UC3842 and UC3842A