Alkaline_battery_switching_regulator

Published:2009/7/24 23:08:00 Author:Jessie | From:SeekIC

Figure 8-71 shows an LT1270 connected to provide a 6-V, 1-A output using three or four alkaline-battery cells (instead of NiCads). The output voltage can be changed by the selection of resistors R1 and R2, using the VOUT equation (as is the case with most switching regulators). Figure 8-72 shows alkaline-battery-life characteristics for a 6-W load. Figure 8-73 shows alkaline-battery-discharge characteristics for the same 6-W load. Figure 8-74 shows the efficiency for various alkaline-battery voltages. LINEAR TECHNOLOGY, DESIGN NOTE 41, P. 2.



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