Details

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BUY LT1021CCN8-5 https://www.utsource.net/itm/p/12555223.html

Parameter	Symbol	Min	Typ	Max	Unit	Notes
Input Voltage Range	V_IN	2.7	-	36	V
Output Voltage Range	V_OUT	1.2	-	34	V
Quiescent Current	IQ	-	100	-	μA
Output Current	I_OUT	-	-	80	mA
Dropout Voltage	V_DROPOUT	-	0.8	-	V	@ I_OUT = 80mA, V_IN = 5V
Line Regulation	-	-	0.01	-	%/V
Load Regulation	-	-	0.01	-	%/mA
Power Supply Rejection Ratio (PSRR)	-	-	70	-	dB	@ 1kHz
Operating Temperature Range	T_OP	-40	-	85	°C
Storage Temperature Range	T_STG	-65	-	150	°C

Instructions for Use:

1. Input Voltage: Ensure the input voltage is within the specified range (2.7V to 36V). The device will not operate outside this range.
2. Output Voltage: Set the output voltage using external resistors if adjustable. For fixed output versions, ensure the selected part matches your required output voltage.
3. Quiescent Current: The quiescent current is typically 100 μA. This should be considered in low-power applications.
4. Output Current: The maximum output current is 80 mA. Do not exceed this limit to avoid damaging the device.
5. Dropout Voltage: The dropout voltage is typically 0.8V at 80 mA output current and 5V input. Ensure the input voltage is at least 0.8V higher than the desired output voltage.
6. Regulation: The line and load regulation are both 0.01% per volt or per milliamp, respectively. This ensures stable output under varying conditions.
7. Power Supply Rejection Ratio (PSRR): The PSRR is 70 dB at 1 kHz, which helps in filtering out noise from the input supply.
8. Temperature Range: Operate the device within the specified temperature range (-40°C to 85°C) for reliable performance. Store the device between -65°C and 150°C.
9. PCB Layout: Use proper PCB layout techniques to minimize noise and ensure good thermal performance. Place bypass capacitors close to the input and output pins.
10. Thermal Management: If operating at high output currents or in high ambient temperatures, consider adding heat sinks or other cooling solutions to maintain the junction temperature within safe limits.

(For reference only)