Details

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BUY MAX603EPA+ https://www.utsource.net/itm/p/12606968.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	-	2.7	-	5.5	V
Output Voltage	VOUT	-	1.25	-	-	V
Output Current	IOUT	VOUT = 1.25V	-	100	150	mA
Quiescent Current	IQ	VOUT = 1.25V, No Load	-	60	-	渭A
Dropout Voltage	VDROPOUT	IOUT = 150mA	-	400	-	mV
Shutdown Current	ISD	VSHDN = 0V	-	1	-	渭A
Load Regulation	-	0mA to 150mA	-	0.1	-	%
Line Regulation	-	VIN from 2.7V to 5.5V	-	0.1	-	%
Temperature Coefficient	-	-40掳C to +85掳C	-	50	-	ppm/掳C
Operating Temperature	Toper	-	-40	-	85	掳C
Storage Temperature	Tstg	-	-65	-	150	掳C

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 2.7V to 5.5V.
   • Connect the input voltage to the VIN pin.

2. Output Voltage (VOUT):

   • The output voltage is fixed at 1.25V.
   • Connect the load to the VOUT pin.

3. Output Current (IOUT):

   • The device can provide up to 150mA of output current.
   • Ensure the load does not exceed this limit to avoid damage.

4. Quiescent Current (IQ):

   • The quiescent current is typically 60渭A when there is no load.
   • This value should be considered in low-power applications.

5. Dropout Voltage (VDROPOUT):

   • The dropout voltage is typically 400mV at full load (150mA).
   • Ensure the input voltage is at least 400mV higher than the output voltage to maintain regulation.

6. Shutdown Current (ISD):

   • When the shutdown pin (VSHDN) is pulled to 0V, the device enters a low-power shutdown mode with a typical current draw of 1渭A.
   • Use this feature to conserve power in battery-operated systems.

7. Load and Line Regulation:

   • Both load and line regulation are typically 0.1%.
   • These values ensure stable output voltage under varying load and input conditions.

8. Temperature Coefficient:

   • The temperature coefficient is 50ppm/掳C, indicating how the output voltage changes with temperature.
   • Consider this in applications where temperature variations are significant.

9. Operating and Storage Temperature:

   • The device operates reliably over the temperature range of -40掳C to +85掳C.
   • It can be stored over the extended range of -65掳C to +150掳C.

10. Pin Configuration:

    • VIN: Input voltage.
    • VOUT: Output voltage.
    • GND: Ground.
    • VSHDN: Shutdown control (pull to GND to shut down).

11. PCB Layout:

    • Place the device close to the load to minimize trace resistance.
    • Use decoupling capacitors (typically 1渭F ceramic) between VIN and GND, and VOUT and GND to filter noise and improve stability.

12. Handling Precautions:

    • Handle the device with care to avoid electrostatic discharge (ESD) damage.
    • Follow standard ESD handling procedures during assembly and testing.

(For reference only)