Details

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BUY UC2909DW https://www.utsource.net/itm/p/1207726.html
CLASS-D VERTICAL DEFLECTION AMPLIFIER FOR 3 APP MONITOR/TV APPLICATIONS WITH 80 V INTERNAL FLYBACK GENERATOR

Parameter	Description	Min	Typ	Max	Unit
Input Voltage (Vcc)	Operating voltage range	8.5	-	40	V
Output Voltage (Vo)	Regulated output voltage	-	5.1	-	V
Quiescent Current (Iq)	Supply current at no load	-	2.5	-	mA
Output Current (Io)	Maximum output current	-	-	1.5	A
Dropout Voltage (Vdo)	Voltage difference between input and output for regulation	-	1.5	-	V
Load Regulation	Change in output voltage with load	-	0.5	-	%
Line Regulation	Change in output voltage with input voltage	-	0.05	-	%
Ripple Rejection	Ability to reject input ripple	-	70	-	dB
Thermal Shutdown Temperature	Temperature at which device shuts down	-	160	-	掳C
Storage Temperature Range	Operating temperature range for storage	-40	-	125	掳C
Junction Temperature Range	Operating temperature range for junction	-40	-	150	掳C

Instructions for Using UC2909DW

1. Power Supply Connection:

   • Connect the input voltage (Vcc) to the appropriate pin, ensuring it is within the operating range of 8.5V to 40V.
   • Ground the common ground (GND) pin.

2. Output Configuration:

   • Connect the output pin (Vo) to the load.
   • Ensure the load does not exceed the maximum output current of 1.5A.

3. Capacitor Selection:

   • Place a bypass capacitor (typically 0.1渭F) close to the Vcc and GND pins to filter out noise.
   • Use an output capacitor (typically 10渭F to 100渭F) to stabilize the output voltage and reduce ripple.

4. Thermal Management:

   • Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
   • Consider using a heatsink if the junction temperature exceeds 150掳C.

5. Protection Circuits:

   • Implement overvoltage and short-circuit protection to safeguard the device and connected components.
   • Monitor the thermal shutdown temperature to prevent damage from overheating.

6. Testing and Verification:

   • Measure the output voltage to ensure it is within the specified range of 5.1V.
   • Verify the load regulation and line regulation to ensure stable performance under varying conditions.
   • Check the ripple rejection to ensure minimal noise on the output.

7. Storage and Handling:

   • Store the device in a dry environment within the temperature range of -40掳C to 125掳C.
   • Handle the device with care to avoid static discharge, which can damage the internal circuits.

(For reference only)