Details

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BUY SH2127B https://www.utsource.net/itm/p/12597512.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	VIN	4.5	-	28	V	Operating input voltage range
Output Voltage	VOUT	-	3.3	-	V	Fixed output voltage
Output Current	IOUT	-	200	-	mA	Maximum continuous output current
Quiescent Current	IQ	-	2.5	-	渭A	Quiescent current at no load
Dropout Voltage	VDROP	-	0.2	-	V	Typical dropout voltage
Load Regulation	-	-	1	-	%	Load regulation from 0 to 200mA
Line Regulation	-	-	0.1	-	%	Line regulation over input range
Ripple Rejection	-	-	60	-	dB	Ripple rejection at 1kHz
Operating Temp.	TOP	-40	-	85	掳C	Operating temperature range
Storage Temp.	TSTG	-65	-	150	掳C	Storage temperature range

Instructions for Using SH2127B

1. Input Connection:

   • Connect the input voltage (V_IN) to the IN pin.
   • Ensure the input voltage is within the specified range (4.5V to 28V).

2. Output Connection:

   • Connect the output voltage (V_OUT) to the OUT pin.
   • The fixed output voltage is 3.3V.

3. Ground Connection:

   • Connect the ground (GND) to the GND pin.
   • Ensure a solid ground connection to maintain stability and performance.

4. Capacitors:

   • Place a 1渭F ceramic capacitor between the IN pin and GND as close as possible to the device.
   • Place a 1渭F ceramic capacitor between the OUT pin and GND to stabilize the output.

5. Thermal Considerations:

   • The device has a maximum power dissipation based on the thermal resistance and ambient temperature.
   • Ensure adequate heat sinking if operating at high output currents or in high ambient temperatures.

6. Load Regulation:

   • The load regulation is typically 1% from 0 to 200mA.
   • Ensure the load does not exceed the maximum output current to avoid overheating or damage.

7. Line Regulation:

   • The line regulation is typically 0.1% over the input voltage range.
   • Maintain a stable input voltage to ensure consistent output performance.

8. Ripple Rejection:

   • The device provides 60dB ripple rejection at 1kHz.
   • Use appropriate filtering techniques to minimize input ripple if necessary.

9. Operating Temperature:

   • The device operates reliably from -40掳C to 85掳C.
   • Avoid exposing the device to temperatures outside this range to prevent failure.

10. Storage Temperature:

    • Store the device in a dry environment between -65掳C and 150掳C to ensure long-term reliability.

(For reference only)