产品详细信息

Topology Boost, Buck, Buck-Boost, Flyback, Forward Duty cycle (Max) (%) 100 Supply voltage (Max) (V) 28 UVLO thresholds on/off (V) 8.4/7.6 Features Adjustable Switching Frequency, Current Limiting, Dead Time Control, Error Amplifier, Multi-topology Operating temperature range (C) -40 to 85 Rating Catalog Frequency (Max) (kHz) 500 Gate drive (Typ) (A) 1
Topology Boost, Buck, Buck-Boost, Flyback, Forward Duty cycle (Max) (%) 100 Supply voltage (Max) (V) 28 UVLO thresholds on/off (V) 8.4/7.6 Features Adjustable Switching Frequency, Current Limiting, Dead Time Control, Error Amplifier, Multi-topology Operating temperature range (C) -40 to 85 Rating Catalog Frequency (Max) (kHz) 500 Gate drive (Typ) (A) 1
PDIP (P) 8 93 mm² 9.81 x 9.43 SOIC (D) 14 52 mm² 8.65 x 6 SOIC (D) 8 19 mm² 3.91 x 4.9
  • Optimized for Off-Line and DC-DC Converters
  • Low Start-Up Current (< 0.5 mA)
  • Trimmed Oscillator Discharge Current
  • Automatic Feedforward Compensation
  • Pulse-by-Pulse Current Limiting
  • Enhanced Load Response Characteristics
  • Undervoltage Lockout With Hysteresis
  • Double Pulse Suppression
  • High-Current Totem Pole Output
  • Internally-Trimmed Bandgap Reference
  • Up to 500-kHz Operation
  • Create a Custom Design Using the UCx84xA With the WEBENCH Power Designer
  • Optimized for Off-Line and DC-DC Converters
  • Low Start-Up Current (< 0.5 mA)
  • Trimmed Oscillator Discharge Current
  • Automatic Feedforward Compensation
  • Pulse-by-Pulse Current Limiting
  • Enhanced Load Response Characteristics
  • Undervoltage Lockout With Hysteresis
  • Double Pulse Suppression
  • High-Current Totem Pole Output
  • Internally-Trimmed Bandgap Reference
  • Up to 500-kHz Operation
  • Create a Custom Design Using the UCx84xA With the WEBENCH Power Designer

The UCx84xA family of control devices is a pin-for-pin compatible improved version of the UCx84x family. Providing the necessary features to control current-mode or switched-mode power supplies, this family of devices has many improved features: startup current is less than 0.5 mA, oscillator discharge is trimmed to 8.3 mA, and during UVLO, the output stage can sink at least 10 mA at less than 1.2 V for VCC over 5 V.

The UCx84xA family of control devices is a pin-for-pin compatible improved version of the UCx84x family. Providing the necessary features to control current-mode or switched-mode power supplies, this family of devices has many improved features: startup current is less than 0.5 mA, oscillator discharge is trimmed to 8.3 mA, and during UVLO, the output stage can sink at least 10 mA at less than 1.2 V for VCC over 5 V.

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如需其他信息或资源,请查看下方列表,点击标题即可进入详情页面。

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封装 引脚数 下载
PDIP (P) 8 了解详情
SOIC (D) 14 了解详情
SOIC (D) 8 了解详情

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
  • 认证摘要
  • 持续可靠性监测

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