Details

---

BUY LM5106MMX https://www.utsource.net/itm/p/12607071.html

Parameter	Description	Min	Typ	Max	Unit
VIN	Input Voltage	4.5	-	60	V
VOUT	Output Voltage	0.8	-	36	V
IOUT	Output Current	-	-	2	A
fSW	Switching Frequency	100	-	700	kHz
IQ	Quiescent Current	-	50	-	渭A
VFB	Feedback Voltage	0.8	-	0.8	V
VUVLO	Under-Voltage Lockout Threshold	2.9	-	3.4	V
VOVLO	Over-Voltage Lockout Threshold	62	-	68	V
tON(min)	Minimum ON Time	50	-	-	ns
tOFF(min)	Minimum OFF Time	50	-	-	ns
VGS(th)	Gate-Source Threshold Voltage	1.2	-	2.0	V
Tj(op)	Operating Junction Temperature	-40	-	125	掳C
Tstg	Storage Temperature Range	-65	-	150	掳C

Instructions for Using the LM5106MMX

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 4.5V to 60V.
   • Use appropriate input filtering and decoupling capacitors to stabilize the input voltage.

2. Output Voltage (VOUT):

   • Set the output voltage using the feedback resistor network. The feedback voltage (VFB) is fixed at 0.8V.
   • Calculate the resistor values using the formula: ( V_ = 0.8 times left(1 + fracright) ).

3. Output Current (IOUT):

   • The maximum continuous output current is 2A. Ensure the inductor and other components can handle this current.

4. Switching Frequency (fSW):

   • Set the switching frequency by selecting an appropriate external resistor value. The typical range is from 100kHz to 700kHz.
   • Use the formula: ( f_ = frac{1.1 times 10^6}{R_} ), where ( R_ ) is in ohms.

5. Quiescent Current (IQ):

   • The quiescent current is typically 50渭A. This is important for low-power applications.

6. Feedback Voltage (VFB):

   • The feedback voltage is fixed at 0.8V. Ensure the feedback network is properly designed to maintain this voltage.

7. Under-Voltage Lockout (UVLO):

   • The UVLO threshold is between 2.9V and 3.4V. The device will not operate if the input voltage falls below this range.

8. Over-Voltage Lockout (OVLO):

   • The OVLO threshold is between 62V and 68V. The device will shut down if the input voltage exceeds this range.

9. Minimum ON and OFF Times (tON(min), tOFF(min)):

   • The minimum ON and OFF times are both 50ns. Ensure the switching frequency and inductor values are chosen to avoid these limits.

10. Gate-Source Threshold Voltage (VGS(th)):

    • The gate-source threshold voltage ranges from 1.2V to 2.0V. Ensure the gate drive circuitry can provide sufficient voltage to turn on the MOSFET.

11. Operating Junction Temperature (Tj(op)):

    • The operating junction temperature range is from -40掳C to 125掳C. Ensure proper heat dissipation to keep the device within this range.

12. Storage Temperature (Tstg):

    • The storage temperature range is from -65掳C to 150掳C. Store the device in a suitable environment to prevent damage.

By following these instructions, you can ensure optimal performance and reliability of the LM5106MMX in your application.

(For reference only)