Details

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BUY LTC1292CCN8 https://www.utsource.net/itm/p/8137485.html
New and original

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Operating range	2.7	-	5.5	V
Output Voltage Range	Vout		0	-	Vcc-1.25	V
Reference Voltage	Vref		-	1.25	-	V
Power Supply Rejection	PSR	f = 1kHz	-	80	-	dB
Temperature Range	Toper	Operating	-40	-	85	°C
Quiescent Current	IQ	Vcc = 5V	-	30	-	μA
Load Regulation	ΔVout/ΔILOAD	ILOAD=0 to 10mA	-	0.01	-	%
Line Regulation	ΔVout/ΔVcc	Vcc=2.7 to 5.5V	-	0.01	-	%

Instructions for LTC1292CCN8

1. Power Supply Connection:

   • Connect the positive supply voltage (Vcc) within the operating range of 2.7V to 5.5V.
   • Ensure a bypass capacitor is placed close to the Vcc pin to reduce noise and improve stability.

2. Output Configuration:

   • The output voltage (Vout) can be set using external resistors connected to the feedback pin (FB).
   • Ensure that the output voltage does not exceed Vcc by more than 1.25V.

3. Thermal Considerations:

   • Operate the device within the temperature range of -40°C to +85°C.
   • For high-power applications, ensure adequate heat sinking or cooling.

4. Load Regulation:

   • To maintain load regulation within 0.01%, ensure the load current (ILOAD) remains between 0mA and 10mA.

5. Line Regulation:

   • Keep line regulation within 0.01% by ensuring the input voltage (Vcc) varies between 2.7V and 5.5V.

6. Quiescent Current:

   • At a supply voltage of 5V, the quiescent current is typically 30μA. Design the circuit to minimize unnecessary power consumption.

7. Power Supply Rejection Ratio (PSR):

   • At a frequency of 1kHz, the PSR is typically 80dB, which helps in rejecting variations in the supply voltage.

8. Reference Voltage:

   • The internal reference voltage is set to 1.25V. This value is critical for setting the output voltage accurately using the feedback resistors.

Ensure all connections are secure and components are rated appropriately for the application's requirements.

(For reference only)