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 17m? High Side FET and
14m? 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
優勢替代
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
