描述
该器件是一款高频同步降压转换器,针对小尺寸和高效率进行了优化。输入电压范围为2.4 V至5.5 V,支持常见的电池技术。在中到重负载下,转换器以PWM模式工作,并在轻负载时自动进入省电模式操作,以在整个负载电流范围内保持高效率。 3.5 MHz的开关频率允许器件使用小型外部元件。结合其DCS控制架构,可实现出色的负载瞬态性能和输出电压调节精度。内置了过流保护,热关断保护,有源输出放电和电源良好等其他功能。该器件采用6引脚WCSP封装。
特性
- DCS-Control™拓扑结构
- 1-V固定输出电压,精度为1%
- 26mΩ和26mΩ内部功率MOSFET
- 2.4 V至5.5 V输入电压范围
- 4-μA工作静态电流
- 3.5 MHz开关频率< /li>
- 轻负载效率的省电模式
- 有源输出放电
- 电源正常输出
- 热关断保护
- 打嗝短路保护
- 采用0.8 x 1.2 x 0.5 mm 6引脚WCSP提供
- 使用TPS6283810创建定制设计使用WEBENCH ® Power Designer
所有商标均为其各自所有者的财产。
参数 与其它产品相比 降压转换器(集成开关)
Vin (Min) (V) Vin (Max) (V) Vout (Min) (V) Vout (Max) (V) Iout (Max) (A) Regulated outputs (#) Switching Frequency (Min) (kHz) Switching Frequency (Max) (kHz) Iq (Typ) (mA) Features Control mode Duty cycle (Max) (%) Operating temperature range (C) Rating Package Group Type Package size: mm2:W x L (PKG) TPS6283810 TLV62585 TPS62088 TPS62823 TPS62826 2.4 2.5 2.4 2.4 2.4 5.5 5.5 5.5 5.5 5.5 1 0.6 0.6 0.6 0.6 1 5.5 4 4 4 3 3 3 3 3 1 1 1 1 1 1500 4000 2200 2200 1600 4000 2200 2200 0.004 0.04 0.004 0.004 0.004 Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Synchronous Rectification
UVLO Fixed Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification
UVLO Fixed Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Synchronous Rectification Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification Enable
Light Load Efficiency
Output Discharge
Over Current Protection
Power Good
Pre-Bias Start-Up
Synchronous Rectification
UVLO Fixed DCS-Control Current Mode Constant on-time (COT)
DCS-Control Constant on-time (COT)
DCS-Control Constant on-time (COT)
DCS-Control 100 100 100 100 100 -40 to 125 -40 to 125 -40 to 125 -40 to 125 -40 to 125 Catalog Catalog Catalog Catalog Catalog DSBGA | 6 SOT-5X3 | 6
VQFN-HR | 12 DSBGA | 6 VSON-HR | 8 VSON-HR | 6 Converter Converter Converter Converter See datasheet (DSBGA) 6SOT-5X3: 3 mm2: 1.6 x 1.6 (SOT-5X3 | 6)
12VQFN-HR: 4 mm2: 2 x 2 (VQFN-HR | 12) See datasheet (DSBGA) 8VSON-HR: 3 mm2: 1.5 x 2 (VSON-HR | 8) 6VSON-HR: 2 mm2: 1.5 x 1.5 (VSON-HR | 6)