| Allicdata Part #: | ISL91133IILZ-T-ND |
| Manufacturer Part#: |
ISL91133IILZ-T |
| Price: | $ 1.17 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Intersil |
| Short Description: | IC REG BOOST PROG 2.3A 16WLCSP |
| More Detail: | Boost Switching Regulator IC Positive Programmable... |
| DataSheet: |  ISL91133IILZ-T Datasheet/PDF |
| Quantity: | 1000 |
| 3000 +: | $ 1.05575 |
Specifications
| Voltage - Input (Max): | 5.4V |
| Supplier Device Package: | 16-WLCSP (4x4) |
| Package / Case: | 16-UFBGA, WLCSP |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -- |
| Synchronous Rectifier: | Yes |
| Frequency - Switching: | 2.5MHz |
| Current - Output: | 2.3A |
| Voltage - Output (Max): | 5V |
| Voltage - Output (Min/Fixed): | 3.15V |
| Series: | -- |
| Voltage - Input (Min): | 2.35V |
| Number of Outputs: | 1 |
| Output Type: | Programmable |
| Topology: | Boost |
| Output Configuration: | Positive |
| Function: | Step-Up |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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The ISL91133IILZ-T is a 3V to 36V input low noise, high efficiency synchronous step down DC/DC converter with integrated external MOSFETs, allowing a current of up to 4A. It is part of PMIC - Voltage Regulators - DC DC Switching Regulators. This device is capable of field upgradeable firmware and can be used in many applications, including portable computing, LED lighting and displays, Level V and Level VI power supplies, solar power, etc. The ISL91133IILZ-T device is controlled by a proprietary digital control loop to regulate the output voltage. It supports a power-good indication for output overvoltage and undervoltage, and has a programmable undervoltage lockout (UVLO) function. This device uses a high frequency synchronous DC/DC topology which enables high efficiency, high frequency and low noise outputs. This architecture includes a current mode voltage mode (CVM) for stability and frequency foldback, a critical mode voltage mode (CVEM) for stability, an overcurrent protection (OCP) for overload protection and a temperature protection (TPROT) to prevent overheating. The efficiency of the ISL91133IILZ-T is further improved by the integrated high-side and low-side MOSFETs, which enables a wide input-voltage range. The device also has a low quiescent current (only 3.2mA typical) and can be used with supplies up to 36V. The switching frequency and operating mode of this device is programmable via an I2C or SPI interface, providing flexibility for various applications. The major applications of the ISL91133IILZ-T include portable computing, LED lighting and displays, Level V and Level VI power supplies, solar power, and other applications requiring high efficiency and low noise. Due to its wide input and output voltage range, this device can be used for a variety of applications. In addition, with its integrated MOSFETs and advanced features, it can deliver an efficient, reliable and low-noise output. The operating principle of the ISL91133IILZ-T is based on the synchronous step-down switching regulator topology. In this topology, an internal, high-side and low-side MOSFETs are switched on and off to regulate the output voltage. The switching frequency is determined by the integrated PWM control circuit, which is usually set through an I2C or SPI bus. The output voltage is regulated by the inductor-capacitor (LC) filter circuit, while the duty cycle determines the output voltage. The ISL91133IILZ-T also includes various features to improve the efficiency and reliability of the power supply, such as undervoltage lockout (UVLO), overcurrent protection (OCP) and temperature protection (TPROT). The output voltage is also monitored by a power-good pin for open-loop protection, and the output voltage can be programmed through an I2C or SPI interface. In conclusion, the ISL91133IILZ-T is an ideal choice for applications requiring high efficiency, low noise, and reliable output. Its integrated high-side and low-side MOSFETs and its wide input and output voltage range make it an attractive choice for many applications. Its programmable features and extensive protection features make it a robust and reliable choice for any power needs.The specific data is subject to PDF, and the above content is for reference
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