Datasheet Texas Instruments UCC25230DRMR — 数据表

UCC25230
www.ti.com SLUSAQ6B – NOVEMBER 2011 – REVISED APRIL 2012 12-V to 100-V Input, 0.2-A Output Switching Converter
Check for Samples: UCC25230 FEATURES APPLICATIONS 1 2 Highly Integrated Converter Operating as a
Buck, or Isolated Forward-Flyback, Flybuckв„ў
Wide Operating Input Voltage Range from 12 V
to 100 V, 105-V Surge.
Up to 0.2-A Output Current
9-V Always Available VDD Output with up to 2mA Current Capability
Thermally Enhanced 4-mm x 4-mm SON-8/SPVSON-N8 (DRM) Package
Internally Set Fixed 380-kHz Switching
Frequency
Internal 2-ms Duration Soft Start
Voltage Mode Control with Input Feed Forward
Allows Optimal Output Filter Design
2% Accuracy Internal 2.5-V Reference
VDD UVLO
Cycle-by-Cycle Current Limit with Frequency
Fold Back for Initial Start up Under High
Capacitive Loads
Input UVLO and OVLO with Input Good Signal
Integrated 110-V, High and Low-Side Switches High Density Isolated Standby Bias Supplies
DC-to-DC Converters DESCRIPTION
The UCC25230 is a highly integrated PWM converter …