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瑞萨电子 (Renesas Electronics Corporation) - June is Pride Month, a month to raise awareness of the rights and the culture of the LGBTQ+ community

特性

  • VIN range 2.7V to 5.5V
  • Up to 3A of output current
  • Switching frequency of 1MHz or 2MHz
  • 35μA quiescent current (ISL80031 and ISL80031A)
  • Overcurrent and short-circuit protection
  • Over-temperature/thermal protection
  • Negative current protection
  • Power-good and enable
  • 100% duty cycle
  • Internal soft-start and soft-stop
  • VIN undervoltage lockout and VOUT overvoltage protection
  • Up to 95% peak efficiency

描述

The ISL80030, ISL80030A, ISL80031, and ISL80031A are highly efficient, monolithic, synchronous step-down DC/DC converters that can deliver up to 3A of continuous output current from a 2. 7V to 5. 5V input supply. They use peak current mode control architecture to allow very low duty cycle operation. These devices operate at either a 1MHz or 2MHz switching frequency, thereby providing superior transient response and allowing for the use of small inductors. They also have excellent stability. The ISL80030, ISL80030A, ISL80031, and ISL80031A integrate very low rDS(ON) MOSFETs to maximize efficiency. In addition, because the high-side MOSFET is a PMOS, the need for a Boot capacitor is eliminated, thereby reducing external component count. The devices can operate at 100% duty cycle. The ISL80030 and ISL80030A are configured for PWM pulse width modulation operation and provide a fast transient response, which helps reduce the output noise and RF interference. The ISL80031 and ISL80031A are configured for PFM discontinuous conduction operation and provide high efficiency by reducing switching losses at light loads. These devices are offered in a space saving 8 Ld 2mmx2mm DFN Pb-free package with exposed pad for improved thermal performance. The complete converter occupies less than 64mm2 area.

产品参数

属性
Topology [Rail 1]Buck
Outputs (#)1
Input Voltage (Min) [Rail 1] (V)2.7
Input Voltage (Max) [Rail 1]5.5
Output Voltage (Min) [Rail 1] (V)0.6
Output Voltage (Max) [Rail 1] (V)5.5
Output Current (Max) [Rail 1] (A)3
Switching Frequency Range (Typical) (kHz)2000 - 2000
Control TypeCurrent Mode
Peak Efficiency (%)95
IQ [Rail 1] (µA)35
SYNCH CapabilityNo
Qualification LevelStandard
Temp. Range (°C)-40 to +125°C

封装选项

Pkg. TypePkg. Dimensions (mm)Lead Count (#)Pitch (mm)
DFN2.0 x 2.0 x 0.9080.5

应用方框图

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打印机电源排序器和 I/O 扩展器(PPC 或 MFP)
基于 MCU 的电源定序器和 I/O 扩展器,适用于高性能 PPC 或 MFP 打印机。
High-Speed 5G to Wi-Fi Converter for CPE Block Diagram
客户端设备高速 5G 转 Wi-Fi 转换器
使用双频 4T4R Wi-Fi 6 将 5G 转换为 Wi-Fi,非常适合 5G 路由器和高效联网。
400ZR optical module block diagram features an MCU, PMIC, synchronous buck, and linear differential driver allowing for a compact and high-performance module.
400ZR 光模块
使用小型 400ZR 模块优化 DCI 链路上的 400Gb 以太网传输,以实现高性能和低功耗。

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Part NumberStatusSamplesStockRoHSPackageBudgetary Price (USD)Lead Count (#)Carrier TypeMoisture Sensitivity Level (MSL)Pb (Lead) FreePb Free CategoryTemp. Range (°C)Country of AssemblyCountry of Wafer Fabrication
ISL80031AFRZ-TActiveAvailableIn StockRoHS:EN
DFN1ku | $0.698#Reel3YesPb-Free 100% Matte Tin Plate w/Anneal-e3-40 to +125°CMALAYSIATAIWAN
ISL80031AFRZ-T7AObsoleteN/AOut of StockRoHS:EN
DFN8#Reel3YesPb-Free 100% Matte Tin Plate w/Anneal-e3-40 to +125°C

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