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TPS5110

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具有 NMOS LDO 控制器的 4.5V 至 28V 同步降压控制器

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数据表

TPS5110

正在供货
数据表 立即订购

产品详情

Vin (min) (V) 4.5 Vin (max) (V) 28 Iout (max) (A) 15 Operating temperature range (°C) -40 to 85 Control mode Voltage mode Rating Catalog Vout (min) (V) 0.9 Vout (max) (V) 3.5 Iq (typ) (A) 0.0009 Duty cycle (max) (%) 100 Number of phases 1
Vin (min) (V) 4.5 Vin (max) (V) 28 Iout (max) (A) 15 Operating temperature range (°C) -40 to 85 Control mode Voltage mode Rating Catalog Vout (min) (V) 0.9 Vout (max) (V) 3.5 Iq (typ) (A) 0.0009 Duty cycle (max) (%) 100 Number of phases 1
TSSOP (PW) 24 49.92 mm² 7.8 x 6.4
  • Switching Mode Step-Down dc-to-dc Controller With Fast LDO Controller
  • Input Voltage Range
           Switcher: 4.5 V to 28 V
           LDO: 1.1 V to 3.6 V
  • Output Voltage Range
           Switcher: 0.9 V to 3.5 V
           LDO: 0.9 V to 2.5 V
  • Synchronous for High Efficiency
  • Precision VREF (±1 %)
  • PWM Mode Control: Max. 500-kHz Operation
  • High-Speed Error Amplifier
  • Overcurrent Protection With Temperature Compensation Circuit
  • Overvoltage and Undervoltage Protection
  • Programmable Short-Circuit Protection
  • APPLICATIONS
    • Notebook PCs, PDAs
    • Consumer Game Systems
    • DSP Application
  • Switching Mode Step-Down dc-to-dc Controller With Fast LDO Controller
  • Input Voltage Range
           Switcher: 4.5 V to 28 V
           LDO: 1.1 V to 3.6 V
  • Output Voltage Range
           Switcher: 0.9 V to 3.5 V
           LDO: 0.9 V to 2.5 V
  • Synchronous for High Efficiency
  • Precision VREF (±1 %)
  • PWM Mode Control: Max. 500-kHz Operation
  • High-Speed Error Amplifier
  • Overcurrent Protection With Temperature Compensation Circuit
  • Overvoltage and Undervoltage Protection
  • Programmable Short-Circuit Protection
  • APPLICATIONS
    • Notebook PCs, PDAs
    • Consumer Game Systems
    • DSP Application

The TPS5110 provides one PWM-mode synchronous buck regulator controller (SBRC) and one low drop-out (LDO) regulator controller. The TPS5110 supports a low-voltage/high-current power supply for I/O and other peripherals in modern digital systems. The SBRC of the TPS5110 automatically adjusts from PWM mode to SKIP mode to maintain high efficiency under all load conditions. The LDO controller drives an external N-channel power MOSFET that realizes fast response and ultra-low dropout voltage. A unique overshoot protection circuit prevents a voltage hump at fast load decreasing transients. The current protection circuit for SBRC detects the drain-to-source voltage drop across the low-side and high-side power MOSFET while it is conducting. Also, the current protection circuit has a temperature coefficient to compensate for the RDS(on) variation of the MOSFET. This resistor-less current protection simplifies the system design and reduces the external parts count. The LDO controller includes current-limit protection. Other features, such as undervoltage lockout, power good, overvoltage, undervoltage, and programmable short-circuit protection promote system reliability.

The TPS5110 provides one PWM-mode synchronous buck regulator controller (SBRC) and one low drop-out (LDO) regulator controller. The TPS5110 supports a low-voltage/high-current power supply for I/O and other peripherals in modern digital systems. The SBRC of the TPS5110 automatically adjusts from PWM mode to SKIP mode to maintain high efficiency under all load conditions. The LDO controller drives an external N-channel power MOSFET that realizes fast response and ultra-low dropout voltage. A unique overshoot protection circuit prevents a voltage hump at fast load decreasing transients. The current protection circuit for SBRC detects the drain-to-source voltage drop across the low-side and high-side power MOSFET while it is conducting. Also, the current protection circuit has a temperature coefficient to compensate for the RDS(on) variation of the MOSFET. This resistor-less current protection simplifies the system design and reduces the external parts count. The LDO controller includes current-limit protection. Other features, such as undervoltage lockout, power good, overvoltage, undervoltage, and programmable short-circuit protection promote system reliability.
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类型 标题 下载最新的英语版本 日期
* 数据表 Synchronous Buck PWM Controller with NMOS LDO 数据表 (Rev. B) 2004年 7月 6日

设计和开发

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封装 引脚 下载
TSSOP (PW) 24 查看选项
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订购和质量

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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