AAT1232ITP-T1 Integrated Circuits (ICs)

Voltage - Input (Max):	5.5V
Supplier Device Package:	12-TSOPJW
Package / Case:	12-TFSOJ (0.094", 2.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	Up to 2MHz
Current - Output:	100mA
Voltage - Output (Max):	24V
Voltage - Output (Min/Fixed):	2.7V
Series:	--
Voltage - Input (Min):	2.7V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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IntroductionThe AAT1232ITP-T1 is a multi-function DC/DC converter that provides both a switching regulator and a linear regulator. It can be used to convert input voltages between 4.0 V and 28 V to output voltages between 1.2 V and 5.5 V at up to 1.5 A. This makes the AAT1232ITP-T1 an ideal choice for battery-powered applications.Application FieldsThe AAT1232ITP-T1 is most commonly used in battery-powered applications, where it is used to provide a regulated output voltage from an input voltage range that fluctuates with the battery’s state-of-charge. It is particularly well-suited for the following applications:• Mobile phones• Digital cameras• Smartphones• Tablets • Portable medical devices• GPS units• Wearable electronics• Racing dronesWorking Principle The AAT1232ITP-T1 is a dual-mode DC/DC converter, meaning it can operate either as a switching regulator or a linear regulator, depending on the state of the device’s internal status register. In switching mode, the AAT1232ITP-T1 operates as a buck (step-down) regulator, meaning it reduces an input voltage to an output voltage. The device can reduce input voltages of up to 28 V down to output voltages of as low as 1.2 V. In linear mode, the device operates as a linear regulator, meaning it regulates the output voltage regardless of the input voltage. The AAT1232ITP-T1’s switching regulator uses a high-efficiency synchronous switching topology that minimizes both input and output ripple and allows for fast response to line and load transients. The regulator utilizes a low-on resistance NMOS switch, with a PWM (pulse width modulation) control circuit and a precision low-noise, low-dropout regulator. The wide input voltage range makes the device ideal for battery-powered applications, as it can maintain regulation despite wide input voltage fluctuations. In addition, the device’s high-side NMOS switch eliminates the need for a low-side PMOS switch, simplifying the layout and increasing efficiency. The AAT1232ITP-T1 also features a built-in overtemperature shutoff circuit that reduces power consumption when the device temperature rises above a predetermined level. The device also includes a wide range of protection features, such as over-current, over-voltage, and under-voltage protection, allowing it to be used in a wide variety of applications.ConclusionThe AAT1232ITP-T1 is a multi-function DC/DC converter that makes it a great choice for battery-powered applications. It offers both a switching regulator and a linear regulator, allowing it to provide a regulated output voltage regardless of the fluctuating input voltage of the battery. It can reduce input voltages of up to 28 V down to output voltages of as low as 1.2 V, while its high-efficiency synchronous switching topology helps to minimize both input and output ripple. In addition, the device also features a built-in overtemperature shutoff circuit and a wide range of protection features, making it an ideal choice for a wide variety of applications.

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