TD1688
General Description
The TD1688 is a monolithic, step‐down, switch mode converter with a built‐in power MOSFET. It achieves a 2A peak‐output current over input supply 10V‐60V with excellent load and line regulation. Current‐mode operation provides a fast transient response and eases loop stabilization. Fault condition protections include cycle‐by‐cycle current limiting and thermal shutdown.
The TD1688 requires a minimal number of readily‐available external components.
The TD1688 is available in a ESOP‐8 package.
Features
2A Peak Output Current
0.7Ω Internal Power MOSFET
Stable with Low‐ESR Ceramic Output Capacitors
Up to 91% Efficiency
0.1μA Shutdown Mode
Fixed 480kHz Frequency
Thermal Shutdown
Cycle‐by‐Cycle Over‐Current Protection
11V to 60V Operating Input Range
Max duty 90%
Available in a ESOP‐8 Package
Applications
Power Meters
Distributed Power Systems
Battery Chargers
Pre‐Regulator for Linear Regulators
WLED Drivers
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