DIO7495

Version 1.2, Jul 2025

www.dioo.com

© 2025 Dioo Microcircuits Co., Ltd. Jiangsu

9

9. Application Information

Important notice: Validation and testing are the most reliable ways to confirm system functionality. The

application information is not part of the specification and is for reference purposes only.

9.1. Application example

9.2. Input capacitor

Place a capacitor between the GND and VIN pins to restrict the voltage drop on the input supply created by

the transient inrush current when the switch turns on into a discharge load capacitor; to limit the voltage

drop in high-current applications, implement a high-value capacitor on CIN.

9.3. Output capacitor

Place an output capacitor between VOUT and GND pins to prevent parasitic board inductance from forcing

VOUT below GND when the switch is on. Using an output capacitor also provides the additional benefit of

preventing reverse inrush current from causing a voltage spike that could be detrimental to the device in

the case of a VOUT short.

9.4. Fault reporting

OC_FLAGB signals the fault by activating LOW when it detects an over-current.

9.5. Current limiting

Current limit prevents the current from going over the maximum set value and does not limit the minimum

value. Using the external resistor connected to the ISET pin to determine the current that the part limits.

Information regarding resistor selection is found in Table 1. Until thermal shutdown occurs, the device acts

as a constant-current source when the load draws more than the maximum value set by the device. Once

the die temperature is within the threshold temperature, the device will recover. When the output voltage is

below 0.7 V, the current limiting value will decrease, thereby protecting the chip.

9.6. Undervoltage lockout (UVLO)

If the input voltage drops below the lockout threshold, the undervoltage lockout will activate to turn the

switch off. The switch will be enabled if the input voltage rises above the undervoltage lockout threshold

while the EN pin is active.