Details

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BUY ML4821CP https://www.utsource.net/itm/p/305625.html
Power Factor Correction PFC Controller; ; No of Pins: 18; Container: Rail

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VDD	2.7	-	5.5	V	Operating supply voltage range
Supply Current (Active)	IDD	-	100	-	μA	Quiescent current in active mode
Supply Current (Shutdown)	ISD	-	0.1	-	μA	Shutdown current
Input Voltage Range	VIN	0	-	5.5	V	Input voltage range
Output Voltage Range	VOUT	0	-	5.5	V	Output voltage range
Output Current	IOUT	-	50	-	mA	Maximum output current
Output Impedance	ZOUT	-	50	-	Ω	Output impedance at 1 kHz
Bandwidth	BW	-	10	-	MHz	Small-signal bandwidth
Slew Rate	SR	-	3	-	V/μs	Slew rate
PSRR (100 Hz)	PSRR	-	70	-	dB	Power supply rejection ratio
CMRR (100 Hz)	CMRR	-	80	-	dB	Common-mode rejection ratio
Temperature Range	Toper	-40	-	85	°C	Operating temperature range
Storage Temperature	Tstg	-65	-	150	°C	Storage temperature range

Instructions for Use

1. Supply Voltage:

   • Ensure the supply voltage is within the range of 2.7V to 5.5V.
   • Connect the supply voltage to the VDD pin and ground to the GND pin.

2. Input and Output Connections:

   • Connect the input signal to the VIN pin.
   • The output signal will be available at the VOUT pin.

3. Shutdown Mode:

   • To enter shutdown mode, apply a low logic level to the SHDN pin.
   • In shutdown mode, the device consumes minimal current (typically 0.1 μA).

4. Output Current:

   • The maximum output current is 50 mA. Ensure that the load does not exceed this limit to avoid damage to the device.

5. Operating Temperature:

   • The device operates reliably within the temperature range of -40°C to 85°C.
   • Store the device within the temperature range of -65°C to 150°C.

6. Power Supply Rejection Ratio (PSRR):

   • The device has a PSRR of 70 dB at 100 Hz, which helps in filtering out noise from the power supply.

7. Common-Mode Rejection Ratio (CMRR):

   • The CMRR is 80 dB at 100 Hz, which helps in rejecting common-mode signals and improving signal integrity.

8. Bandwidth and Slew Rate:

   • The small-signal bandwidth is 10 MHz, and the slew rate is 3 V/μs, making the device suitable for high-frequency applications.

9. Output Impedance:

   • The output impedance is 50 Ω at 1 kHz, which should be considered when designing the load circuit.

10. Layout Considerations:

    • Use short, wide traces for power and ground connections to minimize inductance and resistance.
    • Place decoupling capacitors close to the VDD and GND pins to filter out high-frequency noise.

11. Handling Precautions:

    • Handle the device with care to avoid static discharge, which can damage the internal components.
    • Follow proper soldering techniques to ensure reliable connections and prevent thermal damage.

(For reference only)