SGM6614.pdf• 2.17V to 18V Input Voltage Range
• 4.5V to 18V Output Voltage Range
• 2.4V Minimum Input Voltage for Startup
• 15A (TYP) Peak Switch Current Limit
• 8.8mΩ Low-side and 12.2mΩ High-side MOSFETs
• Fixed 500kHz Switching Frequency
• High Efficiency
Up to 94.42% Efficiency at VIN
3.6V, VOUT = 13V, and IOUT = 2A
Up to 97.07% Efficiency at VIN = 7.2V,
VOUT = 16V, and IOUT = 2.5A
• 85µA (TYP) Quiescent Current into VOUT Pin
• Less than 1.5µA Shutdown Current
• Auto PFM at Light Loads
• 19V Output Over-Voltage Protection
• Cycle-by-Cycle Over-Current Protection
• Thermal Shutdown
• Available in a Green TQFN-3×2.5-11L Package
• Wide input voltage and output voltage range
VIN : 2.0 V to 18 V
2.4-V Minimum input voltage for start-up
VOUT : 4.5 V to 18 V
• High efficiency and power capability
15-A peak switch current limit
Two 6.5-mΩ (LS) / 8.5-mΩ (HS) MOSFETs
Switching frequency: 500 kHz
Up to 94.7% efficiency at VIN = 3.6 V,
VOUT = 13 V, and IOUT = 2 A
Up to 96.9% efficiency at VIN = 7.2 V,
VOUT = 16 V, and IOUT = 2.5 A
• Extend the system operating time
Typical 110-µA quiescent current into VOUT pin
Maximum 2.1-µA current into VIN pin during shutdown
Smooth on-time/off-time (SOO) Modulation
at light load and low duty cycle and
no DC offset between PFM and PWM
• Rich protection
Output overvoltage protection at 19 V
Cycle-by-cycle overcurrent protection
Thermal shutdown
• 2.5-mm × 3.0-mm QFN package
