參數資料
型號: TPS61070DDC
廠商: Texas Instruments, Inc.
英文描述: 90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH
中文描述: 90%高效同步升壓轉換器和600毫安開關
文件頁數: 14/21頁
文件大小: 633K
代理商: TPS61070DDC
www.ti.com
Power-Save Mode
TPS61070
TPS61071
SLVS510–JUNE 2004
DETAILED DESCRIPTION (continued)
The TPS61070 is capable of operating in two different modes. At light loads, when the inductor current becomes
zero, it automatically enters the power-save mode to improve efficiency. In the power-save mode, the converter
only operates when the output voltage trips below a set threshold voltage. It ramps up the output voltage with
one or several pulses and returns to the power-save mode once the output voltage exceeds the set threshold
voltage. If output power demand increases and the inductor current no longer goes below zero, the device again
enters the fixed PWM mode. In this mode, there is no difference between the PWM only version TPS61071 and
the power-save mode enabled version TPS61070.
14
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