Details

---

BUY KA75330Z https://www.utsource.net/itm/p/877788.html
Voltage Detector

Parameter	Symbol	Conditions	Min	Typical	Max	Unit
Input Voltage	VIN	-	2.7	-	5.5	V
Output Voltage	VOUT	-	1.8	3.3	5.0	V
Output Current	IOUT	Continuous	-	300	600	mA
Quiescent Current	IQ	VIN = 5V, VOUT = 3.3V	-	1.5	-	mA
Dropout Voltage	VDROPOUT	IOUT = 100mA, VIN = 5V	-	0.3	-	V
Load Regulation	-	IOUT: 0 to 300mA	-	±1	-	%
Line Regulation	-	VIN: 2.7V to 5.5V	-	±1	-	%
Ripple Rejection	-	1kHz	-	60	-	dB
Operating Temperature	Toper	-	-40	-	85	°C
Storage Temperature	Tstg	-	-65	-	150	°C

Instructions for Using KA75330Z:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 2.7V to 5.5V.
   • The input voltage should be stable and free from excessive noise.

2. Output Voltage (VOUT):

   • The output voltage can be set to 1.8V, 3.3V, or 5.0V depending on the application.
   • Use appropriate external components (e.g., resistors) if a specific output voltage is required.

3. Output Current (IOUT):

   • The device can provide up to 600mA continuously, with a typical output current of 300mA.
   • Ensure that the load does not exceed the maximum output current to avoid overheating or damage.

4. Quiescent Current (IQ):

   • The quiescent current is typically 1.5mA at VIN = 5V and VOUT = 3.3V.
   • This current is drawn by the regulator even when there is no load.

5. Dropout Voltage (VDROPOUT):

   • The dropout voltage is the difference between the input and output voltages at which the regulator can no longer maintain regulation.
   • For IOUT = 100mA, the typical dropout voltage is 0.3V.

6. Load Regulation:

   • The load regulation is ±1% over the load range of 0 to 300mA.
   • This ensures that the output voltage remains stable despite changes in the load.

7. Line Regulation:

   • The line regulation is ±1% over the input voltage range of 2.7V to 5.5V.
   • This ensures that the output voltage remains stable despite changes in the input voltage.

8. Ripple Rejection:

   • The ripple rejection is 60dB at 1kHz.
   • This helps in filtering out any ripple or noise present in the input voltage.

9. Operating Temperature (Toper):

   • The operating temperature range is -40°C to 85°C.
   • Ensure that the device operates within this temperature range to avoid performance degradation or damage.

10. Storage Temperature (Tstg):

    • The storage temperature range is -65°C to 150°C.
    • Store the device in a dry and cool environment to prevent damage during storage.

11. PCB Layout:

    • Use a good PCB layout to minimize parasitic inductance and capacitance.
    • Place bypass capacitors close to the input and output pins to ensure stability.

12. Thermal Management:

    • If the device is expected to operate at high output currents, consider using a heat sink or providing adequate airflow to dissipate heat.

13. Capacitor Selection:

    • Use low ESR (Equivalent Series Resistance) capacitors for both input and output to improve stability and transient response.
    • Typical values are 1μF to 10μF for the input and 1μF to 22μF for the output.

14. Protection:

    • The device includes internal protection features such as overcurrent and thermal shutdown.
    • However, it is recommended to add external protection circuits (e.g., fuses) for additional safety.

(For reference only)