Details

---

BUY MC33198 https://www.utsource.net/itm/p/12608791.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Operating Range	5.5	-	40	V
Output Current	IOUT	Continuous Operation	-	1.5	3	A
Peak Current Limit	IPK		3.5	-	6	A
Quiescent Current	IQ	VIN = 12V, No Load	-	20	-	mA
Thermal Shutdown	TSD	Activation Threshold	-	160	-	掳C
Fault Flag Response Time	tFF		-	2.8	-	渭s
Enable Input Voltage	VEN	Logic High	2.7	-	-	V
Enable Input Voltage	VEN	Logic Low	-	-	0.8	V

Instructions for MC33198

1. Power Supply Connection:

   • Connect the input voltage (VIN) to a stable power supply within the operating range of 5.5V to 40V.
   • Ensure adequate decoupling capacitors are placed close to the VIN pin to minimize noise and transient effects.

2. Output Configuration:

   • The device can deliver a continuous output current up to 1.5A with peaks up to 3.5A.
   • For higher peak currents, ensure the application does not exceed the thermal limits and provides sufficient cooling.

3. Thermal Considerations:

   • Monitor the junction temperature to prevent it from exceeding 160掳C, which triggers thermal shutdown.
   • Use heat sinks or other cooling methods if necessary.

4. Enable Pin:

   • Apply a voltage greater than 2.7V to the enable pin to activate the device.
   • Keep the enable pin below 0.8V to keep the device in a low-power state.

5. Fault Protection:

   • The fault flag responds within approximately 2.8渭s when an overcurrent or short circuit is detected.
   • Check the fault flag status regularly during operation to diagnose issues promptly.

6. Quiescent Current:

   • At no load and with VIN at 12V, the quiescent current is typically around 20mA.
   • This value should be considered in power budget calculations.

7. Handling and Storage:

   • Store the device in anti-static packaging to avoid damage.
   • Handle with care to prevent electrostatic discharge (ESD) damage.

(For reference only)