Details

---

BUY LT1137ACSW https://www.utsource.net/itm/p/11251427.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Operating	4.5	-	30	V
Quiescent Current	IQ	No Load, Vcc = 5V	-	80	-	μA
Output Voltage	Vout	Fixed	-	5.0	-	V
Dropout Voltage	Vdo	Iout = 100mA	-	1.2	-	V
Output Current	Iout	Continuous	-	100	-	mA
Thermal Shutdown Temperature	TSD		-	160	-	°C
Storage Temperature	Tstg		-40	-	125	°C

Instructions for Use

1. Supply Voltage (Vcc):

   • Ensure the input voltage is within the operating range of 4.5V to 30V.
   • Do not exceed the maximum supply voltage to avoid damage to the device.

2. Quiescent Current (IQ):

   • The quiescent current is typically 80μA when no load is present and the supply voltage is 5V.
   • This value can help in power budget calculations for low-power applications.

3. Output Voltage (Vout):

   • The LT1137ACSW provides a fixed output voltage of 5.0V.
   • Ensure the load is designed to operate at this voltage level.

4. Dropout Voltage (Vdo):

   • The dropout voltage is typically 1.2V at an output current of 100mA.
   • Ensure the input voltage is at least 1.2V higher than the output voltage to maintain regulation.

5. Output Current (Iout):

   • The maximum continuous output current is 100mA.
   • Do not exceed this current to prevent overheating and potential damage to the device.

6. Thermal Shutdown Temperature (TSD):

   • The device will shut down if the junction temperature exceeds 160°C to protect against thermal damage.
   • Ensure proper heat dissipation and cooling mechanisms are in place for high current or high ambient temperature applications.

7. Storage Temperature (Tstg):

   • Store the device in an environment with temperatures ranging from -40°C to 125°C.
   • Avoid exposing the device to extreme temperatures outside this range.

Additional Notes:

• PCB Layout:
  • Use a good quality PCB layout with adequate ground planes and short leads to minimize noise and improve stability.
• Capacitors:
  • Use appropriate input and output capacitors as specified in the datasheet to ensure stable operation and filter out noise.
• Transient Protection:
  • Consider adding transient protection components such as TVS diodes to protect against voltage spikes and surges.

(For reference only)