TPS62303YZDT Integrated Circuits (ICs)

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The TPS62303YZDT is an integrated synchronous Step-Down DC-DC switching regulator that is capable of supplying up to 3 A at an operating voltage of up to 3.6 V. It is part of Texas Instruments’ highly efficient, low-power central processing unit (CPU) and system in package (SiP) solutions. It offers low power consumption, programmable low-noise output voltage and fast transient response. This makes it ideal for a wide range of applications, from embedded systems to power and communication applications.

The TPS62303YZDT is specifically designed to enable efficient DC-DC conversion from a wide range of input voltages. Its combined low input voltage range and high switching frequency enables it to support both low- and high-power applications. Additionally, the TPS62303YZDT’s integrated protection and diagnostics help reduce the complexity of system design and enable easy system troubleshooting.

The TPS62303YZDT is available in a variety of packages, including an SO-8, SO-14 and the new TPS62303YZDT package, which combines the SO-8 form factor and the extra VIN, VOUT and EN pins required by some space-constrained applications. The TPS62303YZDT also supports a variety of features, including a PFC control loop, tracking power supply and adjustable soft-start.

The TPS62303YZDT’s output voltage is determined by a sum of two voltage sources. The first voltage source is the internal reference voltage, which is set by the external resistor. The resistor can be trimmed to the desired output voltage. The second voltage source is the external feedback voltage, which is connected directly to the output of the DC-DC switching regulator. By adjusting the external feedback voltage, the output voltage can be finely adjusted.

The TPS62303YZDT supports several operating modes. In fixed-frequency mode, the switching frequency is set by an external resistor. In pulse-width modulation (PWM) mode, the TPS62303YZDT uses a Delta Sigma modulator to generate a pulse-width modulated signal with a tightly regulated output voltage. In pulse-frequency modulation (PFM) mode, the TPS62303YZDT’s controller regulates the output voltage by adjusting the frequency of the PWM signal. In either mode, the TPS62303YZDT will adjust the output voltage according to the feedback voltage.

The TPS62303YZDT also includes several protection features, such as output overvoltage protection (OVP), output undervoltage protection (UVP) and thermal shutdown protection. Output overvoltage protection (OVP) will shut down the regulator if the output voltage exceeds the maximum Vout. Output undervoltage protection (UVP) will shut down the regulator if the output voltage is below the minimum Vout. Thermal shutdown protection will shut down the regulator if the junction temperature of the IC exceeds a predetermined threshold.

The TPS62303YZDT is ideal for a wide variety of applications, including power and communication applications. Its fast transient response and accurate output voltage make it an excellent choice for a variety of low-power embedded systems. Its protection features make it useful for a wide range of power applications, from mobile phones and handheld devices to large data centers and server farms. Its wide input voltage range and adjustable switching frequency make it suitable for a wide range of communication applications, such as Ethernet switches and routers.

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