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TPS40200
SLUS659G – FEBRUARY 2...
Product Folder
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Technical Documents
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TPS40200
SLUS659G – FEBRUARY 2006 – REVISED NOVEMBER 2014
TPS40200 Wide Input Range Non-Synchronous
Voltage Mode Controller
1 Features
1 Input
Voltage Range 4.5 V to 52 V Output
Voltage (700 mV to 90% VIN) 200-mA Internal P-channel FET Driver
Voltage Feed-Forward Compensation Under
voltage Lockout Programmable Fixed-Frequency (between 35 kHz
and 500 kHz) Operation Programmable Short-Circuit Protection Hiccup Overcurrent Fault Recovery Programmable Closed-Loop Soft-Start 700 mV 1% Reference
Voltage External Synchronization Small 8-Pin SOIC (D) and VSON (DRB) Packages
2 Applications
Industrial Control Distributed Power Systems DSL/Cable Modems Scanners Telecom
3 Description
The TPS40200 is a flexible, non-synchronous controller with a built-in 200-mA driver for P-channel FETs. The circuit operates with inputs up to 52 V with a power-saving feature that turns off driver current once the external FET has been fully turned on. This feature extends the flexibility of the device, allowing it to operate with an input
voltage up to 52 V without dissipating excessive power. The circuit operates with
voltage-mode feedback and has feed-forward input
voltage compensation that responds instantly to input
voltage change. The integral 700-mV reference is trimmed to 2%, providing the means to accurately control low
voltages. The TPS40200 is available in an 8-pin SOIC and...