LM22670QTJE-ADJ/NOPB

Voltage - Output (Min/Fixed):	1.285V
Base Part Number:	LM22670
Supplier Device Package:	TO-263-7 Thin
Package / Case:	TO-263-7 Thin
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	500kHz
Current - Output:	3A
Voltage - Output (Max):	37V
Series:	Automotive, AEC-Q100, SIMPLE SWITCHER®
Voltage - Input (Max):	42V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The LM22670QTJE-ADJ/NOPB is a synchronous, Step-Down switching regulator from Texas Instruments. The regulator operates from an input voltage of 4.5 V to 24 V and provides an adjustable output voltage of 2 V to 17 V. It is capable of providing up to 7 A of continuous output current with a maximum load current of 8.5 A. The switching frequency of the device is fixed at 1.2 MHz. The LM22670QTJE-ADJ/NOPB is also equipped with a power-good output, programmable soft-start, and a power disable input for system power management.The primary application for the LM22670QTJE-ADJ/NOPB is as a direct-to-battery DC/DC converter. This configuration allows the LM22670QTJE-ADJ/NOPB to take in a battery voltage and provide a regulated output to load such as digital and analog electronics. The output voltage is adjustable to accommodate different load requirements. The LM22670QTJE-ADJ/NOPB can also be used as a battery charger, when used in combination with an intelligent charger IC.The LM22670QTJE-ADJ/NOPB employs a synchronous switching regulator topology to achieve high efficiency operation. The device utilizes an internal high side N-channel MOSFET and a low side N-channel MOSFET, both of which are driven by pulse-width modulation (PWM). During the PWM switching cycle, the high side MOSFET is switched on and the low side MOSFET is switched off, and a current builds in the inductor. When the MOSFETs are subsequently reversed, the current stored in the inductor is transferred to the output capacitor and drops down from the input voltage to the preset output voltage.The LM22670QTJE-ADJ/NOPB is designed for use in a variety of electronic systems that require power management, such as personal computers, cellular phones, and portable electronic devices. It provides a high level of integration in a small package and is well suited for space-constrained applications. The device features a power-good output that provides a logic-level indication of an output voltage equal to or greater than the design-set value, programmable soft-start to limit inrush current during startup, and a power disable input so that the output voltage can be disabled.The LM22670QTJE-ADJ/NOPB is available in both an adjustable version, with output voltage adjustable by an external resistor, and a fixed version which provides fixed output voltages of 3.3 V, 5 V, 7 V, 12 V, 15 V, and 18 V. Additionally, the device is available in a 5 mm x 7 mm flat lead-free package.Overall, the LM22670QTJE-ADJ/NOPB is a low-voltage switching regulator designed for a variety of power management applications. With its integrated features, the regulator offers high efficiency, high power-good accuracy, and good EMI performance in a small package.

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