Details

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BUY NJM7906FA https://www.utsource.net/itm/p/12610111.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	-	4.5	-	30	V
Output Voltage	VO	IO = 0mA	-	1.2	-	V
Output Current	IO	-	0	50	100	mA
Dropout Voltage	VDROP	IO = 100mA	-	0.7	-	V
Line Regulation	-	IO = 100mA, VCC = 5V to 30V	-	0.005	-	%
Load Regulation	-	VCC = 30V, IO = 0 to 100mA	-	0.01	-	%
Ripple Rejection	-	f = 120Hz	60	80	-	dB
Thermal Shutdown	TSHUTDOWN	-	-	175	-	掳C
Operating Junction Temperature	TJ	-	-20	-	150	掳C

Instructions for Use:

1. Supply Voltage (V_CC):

   • Ensure the supply voltage is within the range of 4.5V to 30V.
   • Exceeding the maximum voltage can damage the device.

2. Output Voltage (V_O):

   • The output voltage is fixed at 1.2V under no load conditions.
   • The output voltage may vary slightly under different load conditions.

3. Output Current (I_O):

   • The device can provide up to 100mA of output current.
   • For optimal performance, keep the output current within the typical range of 0 to 50mA.

4. Dropout Voltage (V_DROP):

   • The dropout voltage is the minimum difference between the input and output voltages required to maintain regulation.
   • At 100mA output current, the dropout voltage is typically 0.7V.

5. Line Regulation:

   • The line regulation is the change in output voltage due to changes in input voltage.
   • It is typically 0.005% for input voltages ranging from 5V to 30V.

6. Load Regulation:

   • The load regulation is the change in output voltage due to changes in output current.
   • It is typically 0.01% for output currents ranging from 0 to 100mA.

7. Ripple Rejection:

   • The ripple rejection is the ability of the regulator to reject ripple on the input voltage.
   • It is typically 60 to 80dB at 120Hz.

8. Thermal Shutdown:

   • The device will shut down if the junction temperature exceeds 175掳C to prevent damage.
   • Ensure proper heat dissipation to avoid thermal shutdown.

9. Operating Junction Temperature (T_J):

   • The operating junction temperature should be kept between -20掳C and 150掳C.
   • Exceeding these limits can affect the performance and lifespan of the device.

10. Mounting and Layout:

    • Use a good quality PCB with proper grounding and decoupling capacitors to ensure stable operation.
    • Place the input and output capacitors as close as possible to the device to minimize noise and improve transient response.

(For reference only)