Details

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BUY LT3045EDD#TRPBF https://www.utsource.net/itm/p/12606794.html

Parameter	Symbol	Min	Typ	Max	Unit	Notes
Input Voltage	VIN	1.6		20	V
Output Voltage Range	VOUT	0.0		15	V	Adjustable with external resistor divider
Dropout Voltage	VDROPOUT		300		mV	At 500mA load
Quiescent Current	IQ		2		mA	Shutdown mode: 2 渭A
Output Current	IOUT		500		mA	Continuous
PSRR at 100 kHz	PSRR		-70		dB
Load Transient Response			卤50		mV	10% to 90% load step
Line Transient Response			卤50		mV	10% to 90% line step
Operating Temperature	TOPR	-40		125	掳C	Junction temperature range
Storage Temperature	TSTG	-65		150	掳C

Instructions for Using LT3045EDD#TRPBF

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 1.6V to 20V.
   • Use appropriate decoupling capacitors (typically 1渭F ceramic) close to the input pin to stabilize the input voltage.

2. Output Voltage (VOUT):

   • The output voltage can be adjusted using an external resistor divider.
   • Connect the feedback pin (FB) to the resistor divider between the output and ground.
   • The formula for setting the output voltage is: ( V_ = 1.21V times left(1 + fracright) ).

3. Output Current (IOUT):

   • The device can provide up to 500mA of continuous output current.
   • Ensure adequate heat dissipation if operating at high output currents, especially at higher input voltages.

4. Quiescent Current (IQ):

   • The quiescent current is typically 2mA under normal operation.
   • In shutdown mode, the quiescent current drops to 2渭A.

5. Thermal Management:

   • The operating junction temperature range is -40掳C to 125掳C.
   • For optimal performance, ensure the device is mounted on a PCB with good thermal conductivity or use a heatsink if necessary.

6. Stability and Filtering:

   • Use a 1渭F ceramic capacitor on the output to maintain stability.
   • Additional filtering can be added as needed to meet specific application requirements.

7. PSRR (Power Supply Rejection Ratio):

   • The PSRR at 100kHz is -70dB, indicating good rejection of high-frequency noise from the input supply.

8. Transient Response:

   • The load transient response is 卤50mV for a 10% to 90% load step.
   • The line transient response is 卤50mV for a 10% to 90% line step.
   • Proper decoupling and filtering can help improve transient response.

9. Storage Temperature:

   • Store the device in a temperature range of -65掳C to 150掳C to ensure long-term reliability.

10. Package Information:

    • The LT3045EDD#TRPBF is packaged in a 12-lead DFN (3mm x 3mm) package.
    • Refer to the datasheet for detailed mechanical dimensions and pinout information.

For more detailed information, refer to the official Linear Technology (now part of Analog Devices) datasheet for the LT3045EDD#TRPBF.

(For reference only)