100V输出1.5A 同步整流DCDC转换器,SCT2A21 Replace LM5161.
FEATURES

• Wide Input Range: 4.5V-100V

• 1A Continuous Output Current

• Integrated 530mΩ High-Side and 220mΩ Low-

  Side Power MOSFETs

• 150uA Quiescent Current

• 1.2V ±1% Feedback Reference Voltage at Room

  Temperature

• 4.3ms Internal Soft-start Time

• Programmable Switching Frequency Range

  100KHz ~ 600KHz

• COT Control Mode

• PFM operation mode at light load

• Precision Enable Threshold for Programmable

  Input UVLO Threshold and Hysteresis

• Cycle-by-Cycle Current Limiting

• Over-Voltage Protection

• Over-Temperature Protection

• Available in an ESOP-8 Package

PIN CONFIGUTION
优势替代
LM5161 LM5161.pdf

No.12355

FEATURES

• 4.5V 至 100V 宽输入电压范围

 集成高侧和低侧开关– 无需肖特基二极管

 1A 最大负载电流

 恒定导通时间控制– 无外部环路补偿 

   快速瞬态响应

 轻载条件下可选择 DCM 降压操作

 CCM 选项支持多输出 Fly-Buck™

• 无需外部纹波电路(FPWM = 0 时)

 近似恒定的开关频率

 频率最高可调节至 1MHz 

• 可编程软启动时间

 预偏置启动

 峰值电流限制保护

 可调输入欠压闭锁 (UVLO) 和滞后

 热关断保护 




PIN CONFIGUTION
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