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TPS59124

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用于嵌入式计算中的适用于低输出电压轨的 3V 至 28V 双通道同步降压控制器

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TPS548A28 正在供货 具有遥感功能和 3V LDO 的 2.7V 至 16V、15A 同步降压转换器 Upgraded light-load efficiency converter with an extended positive operating temperature range in a smaller package.

TPS59124

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产品详情

Vin (min) (V) 3 Vin (max) (V) 28 Iout (max) (A) 10 Operating temperature range (°C) -40 to 85 Control mode D-CAP Topology Buck Rating Catalog Vout (min) (V) 0.76 Vout (max) (V) 5.5 Features Enable, Light Load Efficiency, Power good, Synchronous Rectification Iq (typ) (µA) 400 Duty cycle (max) (%) 88 Number of phases 1
Vin (min) (V) 3 Vin (max) (V) 28 Iout (max) (A) 10 Operating temperature range (°C) -40 to 85 Control mode D-CAP Topology Buck Rating Catalog Vout (min) (V) 0.76 Vout (max) (V) 5.5 Features Enable, Light Load Efficiency, Power good, Synchronous Rectification Iq (typ) (µA) 400 Duty cycle (max) (%) 88 Number of phases 1
VQFN (RGE) 24 16 mm² 4 x 4
  • High Efficiency, Low-Power Consumption, Shutdowns to <1 µA
  • Fixed Frequency Emulated On-Time Control, Frequency Selectable From Three Options
  • D-CAP Mode Enables Fast Transient Response
  • Auto-Skip Mode
  • Less Than 1% Initial Reference Accuracy
  • Low Output Ripple
  • Wide Input Voltage Range: 3 V to 28 V
  • Output Voltage Range: 0.76 V to 5.5 V
  • Low-Side RDS(on) Loss-less Current Sensing
  • Adaptive Gate Drivers With Integrated Boost Diode
  • Internal 1.2-ms Voltage-Servo Soft Start
  • Power-Good Signals for Each Channel With Delay Timer
  • Output Discharge During Disable, Fault
  • APPLICATIONS
    • I/O and Low Voltage System Bus in Embedded Computing Systems
  • High Efficiency, Low-Power Consumption, Shutdowns to <1 µA
  • Fixed Frequency Emulated On-Time Control, Frequency Selectable From Three Options
  • D-CAP Mode Enables Fast Transient Response
  • Auto-Skip Mode
  • Less Than 1% Initial Reference Accuracy
  • Low Output Ripple
  • Wide Input Voltage Range: 3 V to 28 V
  • Output Voltage Range: 0.76 V to 5.5 V
  • Low-Side RDS(on) Loss-less Current Sensing
  • Adaptive Gate Drivers With Integrated Boost Diode
  • Internal 1.2-ms Voltage-Servo Soft Start
  • Power-Good Signals for Each Channel With Delay Timer
  • Output Discharge During Disable, Fault
  • APPLICATIONS
    • I/O and Low Voltage System Bus in Embedded Computing Systems

The TPS59124 is a dual, adaptive on-time D-CAP mode synchronous buck controller. This device enables system designers to cost effectively complete the suite of embedded computer power bus regulators with the absolute lowest external component count and lowest standby consumption. The fixed-frequency emulated adaptive on-time control supports seamless operation between PWM mode at heavy load condition and reduced frequency operation at light load for high-efficiency down to milliampere range. The main control loop for the TPS59124 uses the D-CAP mode that optimized for low-ESR output capacitors such as POSCAP or SP-CAP promises fast transient response with no external compensation. Simple and separate power good signals for each channel allow flexibility of power sequencing. The device provides convenient and efficient operation with supply input voltages (V5IN, V5FILT) ranging from 4.5 V to 5.5 V, conversion voltages (drain voltage for the synchronous high-side MOSFET) from 3 V to 28 V and output voltages from 0.76 V to 5.5 V.

The TPS59124 is available in 24-pin QFN package specified from –40°C to 85°C ambient temperature range.

The TPS59124 is a dual, adaptive on-time D-CAP mode synchronous buck controller. This device enables system designers to cost effectively complete the suite of embedded computer power bus regulators with the absolute lowest external component count and lowest standby consumption. The fixed-frequency emulated adaptive on-time control supports seamless operation between PWM mode at heavy load condition and reduced frequency operation at light load for high-efficiency down to milliampere range. The main control loop for the TPS59124 uses the D-CAP mode that optimized for low-ESR output capacitors such as POSCAP or SP-CAP promises fast transient response with no external compensation. Simple and separate power good signals for each channel allow flexibility of power sequencing. The device provides convenient and efficient operation with supply input voltages (V5IN, V5FILT) ranging from 4.5 V to 5.5 V, conversion voltages (drain voltage for the synchronous high-side MOSFET) from 3 V to 28 V and output voltages from 0.76 V to 5.5 V.

The TPS59124 is available in 24-pin QFN package specified from –40°C to 85°C ambient temperature range.
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类型 标题 下载最新的英语版本 日期
* 数据表 Dual Synchronous Step-Down Controller for Low Voltage Power Rails in Embedded C 数据表 2010年 4月 30日

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包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

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