TPS54680QPWPREP , Enhanced Product 3V to 6V Input Tracking Synchronous Buck Pwm Switcher 28-HTSSOP -40 to 125 SGLS212A –OCTOBER 2003–REVISED OCTOBER 2012THERMAL INFORMATIONTPS54680(1)THERMAL METRIC PWP UNITS2 ..
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TPS54680QPWPREP
聽Enhanced Product 3V to 6V Input Tracking Synchronous Buck Pwm Switcher聽
TPS54680-EP
www.ti.com SGLS212A –OCTOBER 2003–REVISED OCTOBER 2012
3-V TO 6-V INPUT, 6-A OUTPUT TRACKING SYNCHRONOUS BUCK
PWM SWITCHER WITH INTEGRATED FETs (SWIFT™) FOR SEQUENCING
Checkfor Samples: TPS54680-EP
1FEATURES Power Up/Down Tracking For Sequencing APPLICATIONS 30-mΩ, 12-A Peak MOSFET Switches for High • Low-Voltage, High-Density Distributed Power
Efficiencyat 6-A Continuous Output Sourceor Systems
Sink Current • Pointof Load Regulation for High Performance Wide PWM Frequency: Fixed 350 kHzor DSPs, FPGAs, ASICs and Microprocessors
Adjustable 280 kHzto 700 kHz Requiring Sequencing Power Good and Enable • Broadband, Networking and Optical
Communications Infrastructure• Load Protectedby Peak Current Limit and
Thermal Shutdown SUPPORTS DEFENSE, AEROSPACE,• Integrated Solution Reduces Board Area and AND MEDICAL APPLICATIONSComponent Count Controlled Baseline One Assembly and Test Site One Fabrication Site Rated From –55°Cto 125°C Extended Product Life Cycle Extended Product-Change Notification Product Traceability
DESCRIPTIONa memberof the SWIFT™ familyof dc/dc regulators, the TPS54680 low-input voltage high-output current
synchronous buck PWM converter integratesall required active components. Using the TRACKIN pin with other
regulators, simultaneous power up and down are easily implemented. Included on the substrate with the listed
features area true, high performance, voltage error amplifier that enables maximum performance and flexibilityin
choosing the output filterL andC components;an under-voltage-lockout circuitto prevent start-up until the input
