FLYiNG 零件編號 | ICUU28121GAF5RUTC |
FLYiNG 庫存現貨 | 電洽/Contact |
製造商 | UTC |
製造商零件編號 | UU28121G-AF5-R |
說明 | LINEAR IC UU28121G-AF5-R SOT-25 UTC |
無鉛狀態 / RoHS 指令狀態 | RoHS / Halogen free |
DC-DC開關穩壓器 DC-DC Switching Regulator | LINEAR INTEGRATED CIRCUIT |
製造商 | UTC |
系列 | UU28121 |
原廠料號 | UU28121G-AF5-R |
封裝/外殼 | SOT-25 |
安裝類型 | SMD 表面黏著式 |
無鉛狀態 RoHS | RoHS / Halogen free |
標準包裝數量 | 1000/REEL 捲軸 |
文件:UU28121 UTC 無衝突金屬聲明書
UU28121 CMOS IC
1.2MHz, HIGH VOLTAGE, BOOST CONVERTER
DESCRIPTION
The UTC UU28121 is a current mode step up converter intended for small, low power applications.
The converter input voltage ranging from 2.5V to 5.5V. The Output voltage can be set up to 28V. The frequency is 1.2MHz allows the use of small external inductors and capacitors and provides fast transient response. Internal soft start results in small inrush current and extends battery life. Internal power MOSFET with very low RDS (ON) provides high efficiency. The UTC UU28121 automatically transits from PWM to PFM during light load condition further increasing efficiency. The converter also provides protection functions such as under-voltage lockout, current limit and thermal shutdown.
FEATURES
UU28121 CMOS IC
1.2MHz, HIGH VOLTAGE, BOOST CONVERTER
DESCRIPTION
The UTC UU28121 is a current mode step up converter intended for small, low power applications.
The converter input voltage ranging from 2.5V to 5.5V. The Output voltage can be set up to 28V. The frequency is 1.2MHz allows the use of small external inductors and capacitors and provides fast transient response. Internal soft start results in small inrush current and extends battery life. Internal power MOSFET with very low RDS (ON) provides high efficiency. The UTC UU28121 automatically transits from PWM to PFM during light load condition further increasing efficiency. The converter also provides protection functions such as under-voltage lockout, current limit and thermal shutdown.
FEATURES
- 2.5V~5.5V operating input voltage range
- 1.2MHz Fixed Switching Frequency
- Adjustable output voltage range up to 28V
- Internal 1.2A switching current limit
- Internal Soft-start Function
- Current limit and Thermal shutdown protection
- Under voltage Lockout
UU28121 CMOS IC
1.2MHz,高壓升壓轉換器
描述
UTC UU28121 是一款電流模式升壓轉換器,專為小型、低功耗應用而設計。
轉換器的輸入電壓範圍為2.5V至5.5V,輸出電壓最高可設置為28V。1.2MHz的固定頻率允許使用小型的外部電感和電容,並提供快速的瞬態響應。內部的軟啟動功能可減少浪湧電流並延長電池壽命。
內建低RDS(ON)的功率MOSFET可提供高效率。在輕負載條件下,UTC UU28121可自動從PWM模式切換至PFM模式以進一步提升效率。轉換器還提供欠壓鎖定、電流限制和過熱關閉等保護功能。
特性
- 2.5V~5.5V工作輸入電壓範圍
- 1.2MHz固定開關頻率
- 可調輸出電壓範圍高達28V
- 內建1.2A開關電流限制
- 內建軟啟動功能
- 電流限制與過熱保護
- 欠壓鎖定功能