Details

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BUY TS1117BCW12 https://www.utsource.net/itm/p/5332511.html
1A Low Dropout Positive Voltage Regulator

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Operating	2.9		13	V
Output Voltage	VOUT	Fixed		1.2		V
Output Current	IOUT	Continuous		1	0.8	A
Quiescent Current	IQ	VIN = 5V, VOUT = 1.2V		6		mA
Dropout Voltage	VD	IOUT = 150mA		1.3		V
Power Dissipation	PD	Ta = 25掳C			750	mW
Junction Temperature	TJ	Maximum			125	掳C
Storage Temperature	TSTG		-40		85	掳C

Instructions for TS1117BCW12

1. Power Supply Connection:

   • Connect the input voltage (VIN) to the input pin.
   • Ensure the input voltage is within the specified range (2.9V to 13V).

2. Output Configuration:

   • The output voltage (VOUT) is fixed at 1.2V. No external resistors are required for voltage setting.

3. Grounding:

   • Connect the ground pin to a common ground reference to ensure stable operation.

4. Heat Management:

   • Monitor the junction temperature not to exceed 125掳C.
   • Consider heat sinks or additional cooling methods if operating near maximum power dissipation.

5. Capacitor Requirements:

   • Use input and output capacitors as recommended by the manufacturer to stabilize the regulator.
   • Typical values are 0.33渭F for input and 1渭F for output capacitors.

6. Transient Protection:

   • For applications with high transient voltages, consider adding transient voltage suppressors to protect the regulator.

7. PCB Layout:

   • Ensure proper PCB layout practices to minimize noise and improve thermal performance.
   • Keep the path from the input capacitor to the regulator short and wide.

(For reference only)