IR3894 Description
APPLICATIONS Net Applications Embedded Tele Systems Server Applications Storage Applications Distributed Point of Load Power Architectures BASIC APPLICATION Figure 1: IR3894 Basic Application Circuit Figure 2: n e t / Fb Vref p Gnd Rt/SyncS_Ctrl PGood JA 30C / W J - PCB 2C / W 2 AUGUST 08, 2012 | DATA SHEET | Rev 3.1 D a t a s h e e t p d f - h t t p.
IR3894 Key Features
- Single 5V to 21V application
- Wide Input Voltage Range from 1.0V to 21V with external Vcc
- Output Voltage Range: 0.5V to 0.86- Vin
- Enhanced Line/Load Regulation with Feed‐Forward
- Programmable Switching Frequency up to 1.5MHz
- Internal Digital Soft‐Start/Soft‐Stop
- Enable input with Voltage Monitoring Capability
- Thermally pensated Current Limit with robust hiccup mode over current protection
- Smart internal LDO to improve light load and full load efficiency
- External Synchronization with Smooth Clocking