12.6V, 7A Fully Integrated High Efficiency Synchronous Boost Converter,SCT1271 Replace TPS61089.
SCT1271
SCT1271.pdf
SCT1271.pdfFEATURES
• Wide Input Voltage Range: 2.7V-12V
• Wide Output Voltage Range: 4.5V-12.6V
• Fully Integrated 17mΩ High Side FET and
14mΩ Low Side FET
• Up to 93% Efficiency at Vin=3.3V, Vout=9V, and
Iout=2A
• Programmable and Up to 9.5A Peak Switch
Current Limit
• Typical Shut-down Current: 1uA
• Quiescent Current: 150uA
• Adjustable Switching Frequency: 200KHz to
2.2MHz
• PFM Operation Mode at Light Load
• Internal Soft Start and External Compensation
• Cycle-by-Cycle Overcurrent Protection
• Output Overvoltage Protection
• Thermal Shutdown Protection: 160°C
• QFN-11 2mm x 2.5mm Package
PIN CONFIGUTION
优势替代
FEATURES
• Input voltage range: 2.7 V to 12 V
• Output voltage range: 4.5 V to 12.6 V
• Up to 90% efficiency at VIN = 3.3 V, VOUT = 9 V,
and IOUT = 2 A
• Resistor-programmable peak current limit up to 10
A for high pulse current
• Adjustable switching frequency: 200 kHz to 2.2
MHz
• 4-ms built-in soft start time
• PFM operation mode at light load (TPS61089)
• Forced PWM operation mode at light load
(TPS610891)
• Internal output overvoltage protection at 13.2 V
• Cycle-by-cycle overcurrent protection
• Thermal shutdown
• 2.00-mm × 2.50-mm VQFN HotRod™ package
• Create a custom design using the TPS61089x with
the WEBENCH® Power Designer
PIN CONFIGUTION
