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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.
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What is the resistance of the pulldown resistor connected to the CONTROL pin of the LDO regulator?

Figure 1 Pulldown circuit between the CONTROL and GND pins
Figure 1 Pulldown circuit between the CONTROL and GND pins

Generally, LDO regulators have a pulldown resistor between the CONTROL and GND pins so that their internal circuitry remains stable in the event of the CONTROL pin being open-circuited.

However, our LDO regulators have a MOSFET instead of a resistor as shown in Figure 1 in order to reduce control pulldown current (ICT). This MOSFET pulls down the CONTROL pin to GND with an almost constant current sink.

Figure 2 CONTROL pin voltage vs. CONTROL pin current
Figure 2 CONTROL pin voltage vs. CONTROL pin current

For other LDO regulators, visit the main web page of LDO regulators at:

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