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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
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In the event that the supply current changes sharply because of a change in the operating mode of the load IC, the output voltage of the LDO regulator drops instantaneously. In this situation, the LDO regulator provides negative feedback to return VOUT to a normal level. However, an LDO regulator with slow response exhibits a long foldback recovery time. The load-side IC might malfunction if its input voltage drops below the lower limit.
The use of an LDO regulator with excellent load transient response helps reduce a drop in VOUT and recovery time and therefore prevent the IC malfunction.
The drop in VOUT can also be reduced by increasing the value of the output capacitor. In this case, however, care should be exercised as to the rise time, oscillation, and inrush current immediately after the turn-on of the LDO regulator.
For LDO’s load transient response, please refer to
For LDO regulators with fast load transient response, click:
For other LDO regulators, visit the main web page of LDO regulators at: