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The TPS65580 is a triple, advanced D-CAP2™ mode synchronous buck converter. The TPS65580 helps system designers complete a power bus regulator set for a wide variety of end equipment with a cost-effective, low component count, and low standby current solution. The main control loop of the TPS65580 uses advanced D-CAP2™ mode control to provide fast transient response without external compensation components. The TPS65580 is capable of using low equivalent series resistance (ESR) output capacitors such as polymer organic semiconductor solid capacitors (POSCAP) or polymer capacitors (SP-CAP) and ultra-low ESR ceramic capacitors. The device provides convenient and efficient operation from input voltages between 4.5V and 18V. The TPS65580 is available in a 4.4mm x 6.5mm 20-pin TSSOP (PWP) package and is specified over the -40°C to 85°C ambient temperature range.
characteristic
• Fast Transient Response
• No External Components Required for Loop Compensation
• Compatible with Ceramic Output Capacitors
• Wide Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.76V to 7.0V
• Targeted for Low Duty Duty Optimized for high-efficiency integrated field-effect transistors (FETs)
• 160mΩ (high-side) and 130mΩ (low-side) for 2.5A • 250mΩ (
high-side) and 230mΩ (low-side) for 1.5A
• High Initial Reference Accuracy
• Low-side RDS (on) lossless current sensing
• Fixed 1.2ms soft-start
• Non-sink pre-biased soft-start
• 700kHz switching frequency
• Cycle-by-cycle over-current limit control
• Over-current limit (OCL), over Overvoltage (OVP), Undervoltage (UVP), Undervoltage Lockout (UVLO), Thermal Shutdown (TSD) Protection • Hiccup
Timer for Overload Protection
• Power Good
• With Integrated Boost P-Channel MOS Adaptive Gate Driver for (PMOS) Switches
• Constant Over-Current Protection (OCP) due to Thermally Compensated rds(On) of 4000ppm/°C
• 20-Pin Heat Sinking Thin Small Outline Package (HTSSOP)
application
Network connected home terminal equipment
Digital set-top boxes (STBs)
DVD players/recorders
Game consoles and other equipment
