Details

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BUY NCP1653A https://www.utsource.net/itm/p/12606563.html

Parameter	Symbol	Min	Typical	Max	Unit
Input Voltage	V_IN	2.7	-	5.5	V
Output Voltage	V_OUT	1.0	-	3.3	V
Quiescent Current	I_Q	-	3.5	5.0	渭A
Shutdown Current	I_SD	-	0.1	0.5	渭A
Load Current	I_OUT	-	150	300	mA
Dropout Voltage	V_DO	-	200	400	mV
Operating Temperature	T_OP	-40	-	85	掳C
Storage Temperature	T_STG	-65	-	150	掳C
Thermal Resistance (胃JA)	胃JA	-	125	-	掳C/W

Instructions for Using NCP1653A

1. Input Voltage (V_IN):

   • Ensure the input voltage is within the range of 2.7V to 5.5V.
   • Use appropriate decoupling capacitors (typically 1渭F ceramic) close to the input pin to stabilize the input voltage.

2. Output Voltage (V_OUT):

   • The output voltage can be adjusted using external resistors. Refer to the datasheet for specific resistor values.
   • Use a 1渭F ceramic capacitor on the output to filter noise and stabilize the output voltage.

3. Quiescent Current (I_Q):

   • The quiescent current is typically 3.5渭A, which helps in maintaining low power consumption.

4. Shutdown Current (I_SD):

   • When the shutdown pin is pulled low, the device enters a low-power mode with a typical shutdown current of 0.1渭A.

5. Load Current (I_OUT):

   • The device can provide up to 300mA of load current. Ensure the load does not exceed this limit to avoid damage.

6. Dropout Voltage (V_DO):

   • The dropout voltage is typically 200mV at full load. This is the minimum difference between the input and output voltages required for proper regulation.

7. Operating Temperature (T_OP):

   • The operating temperature range is from -40掳C to 85掳C. Ensure the device is used within this range to maintain reliability.

8. Storage Temperature (T_STG):

   • The storage temperature range is from -65掳C to 150掳C. Store the device in a dry, cool place to prevent damage.

9. Thermal Resistance (胃JA):

   • The thermal resistance from junction to ambient is 125掳C/W. Ensure adequate heat dissipation if the device is expected to operate under high load conditions.

10. PCB Layout:

    • Place the input and output capacitors as close as possible to the respective pins to minimize parasitic inductance.
    • Use wide traces for the input and output paths to reduce resistance and improve thermal performance.

11. Application Notes:

    • Refer to the application notes provided in the datasheet for detailed information on specific applications and circuit design considerations.

(For reference only)