Semtech SC1176A

Features

• 300 kHz fixed frequency operation
• Soft start and enable function
• Power-good output provided
• Over-current protection with 50% fold-back
• Phase-shifted switchers minimize ripple
• High-efficiency operation, >90%
• Programmable output(s) as low as .9 V
• Industrial temperature range
• SOIC-20 or TSSOP-20 pin Lead free package. This product is fully WEEE and RoHS compliant

Two Phase, Current Sharing Controller

• Flexible, same or separate V_IN
• Programmable current sharing
• Combined current limit with fold-back
• 2 phases operating opposed for ripple reduction
• Thermal distribution via multi-phase output

Two Independent PWM Controllers

• Flexible, same or separate V_IN
• Independent control for each channel
• Independent and separate current limit
• 2 phases operating opposed for ripple reduction (if same V_IN used)

Applications

• Graphics cards
• DDR Memory
• Peripheral add-in card
• SSTL Termination
• Dual-phase power supply
• Power supplies requiring two outputs

Packaging

SOIC-20, TSSOP-20