LT3500EDD#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Topology:	Step-Down (Buck) (1), Linear (LDO) (1)
Function:	Any Function
Number of Outputs:	2
Frequency - Switching:	500kHz ~ 2.4MHz
Voltage/Current - Output 1:	0.8 V ~ 38.9 V, 2A
Voltage/Current - Output 2:	Adjustable, 13mA
Voltage/Current - Output 3:	--
w/LED Driver:	No
w/Supervisor:	No
w/Sequencer:	No
Voltage - Supply:	3 V ~ 36 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	12-WFDFN Exposed Pad
Supplier Device Package:	12-DFN (3x3)
Base Part Number:	LT3500

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<p>Voltage regulators are a commonly used device for maintaining a consistent voltage output. The LT3500EDD#PBF is an example of such a regulator. This linear, switching voltage regulator is designed to provide a consistent voltage output despite variations in input voltage.</p><p>The LT3500EDD#PBF provides up to a 10A maximum output current and supports input voltages up to 16V. It is capable of delivering a voltage output from 0.95V to 5V. This allows it to be used in applications such as power supplies, motor drives, and other systems that require a regulated voltage output.</p><p>The working principle of the LT3500EDD#PBF is based on its integrated Voltage mode PWM control, which utilizes an internal voltage reference to compare the output voltage to the desired voltage set by an external voltage divider. When the output voltage falls below the setpoint, the PWM controller will increase the duty cycle to bring the voltage back up. Conversely, when the output voltage is above the setpoint, the PWM controller will decrease the duty cycle to reduce the voltage back to the setpoint.</p><p>In addition to its Voltage mode PWM controller, the LT3500EDD#PBF also includes a slew rate limiter and adjustable soft-start feature. The slew rate limiter prevents excessive current draw from the input source during start-up, ensuring the device will not be damaged by the abrupt increase in current. The adjustable soft-start feature allows the user to set how quickly the device reaches the desired output voltage and prevents it from reaching the maximum set-point voltage too quickly.</p><p>The LT3500EDD#PBF can operate in either continuous or discontinuous conduction mode, depending on the needs of the application. In continuous conduction mode, the switch transitions between on and off states to maintain the desired output voltage, while in discontinuous conduction mode, the switch is open when the output voltage is at the set-point and only transitions when a voltage transition is needed.</p><p>The LT3500EDD#PBF also features a built-in Over-Voltage Protection (OVP) circuit, Under-Voltage Lockout (UVLO) circuit, and Short-Circuit Protection (SCP) circuit. The UVLO circuit prevents the device from turning on if the input voltage is below the minimum threshold. The OVP circuit prevents the output from exceeding the set threshold, while the SCP circuit protects the device from short circuit damage.</p><p>In summary, the LT3500EDD#PBF is a high power, linear, switching voltage regulator capable of delivering up to 10A of output current. It can be used in a variety of applications to provide a consistent voltage output, featuring integrated voltage comparison, slew rate limiting, adjustable soft-start, and various built-in protection circuits.</p>

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