UCC39412 低功耗同步升压转换器
UCC39412 描述
The UCCx9411 family of low-input voltage, single-inductor-boost converters is optimized to operate from a single or dual alkaline cell, and steps up to a 3.3 V, 5 V, or adjustable output at 200 mW. The UCCx9411 family also provides an auxiliary 7 V output, primarily for the gate-drive supply, which can be used for applications requiring an auxiliary output, such as 5 V, by linear regulating. The primary output starts up under full load at input voltages typically as low as 0.8 V with a ensured max of 1 V, and operates down to 0.5 V once the converter is operating, thereby maximizing battery usage.
The UCCx9411 family is designed to accommodate demanding applications such as pagers and cell phones that require high efficiency over a wide operating range of several milliwatts to a couple of hundred milli-watts.Ω
|
UCC29412 |
UCC39412 |
| Iout(Max)(A) |
0.385 |
0.385 |
| Iq(Typ)(mA) |
0.048 |
0.048 |
| Vin(Min)(V) |
1 |
1 |
| Vin(Max)(V) |
3.8 |
3.8 |
| Vout(Min)(V) |
3.3 |
3.3 |
| Vout(Max)(V) |
3.3 |
3.3 |
| Preset Vout(V) |
3.3 |
3.3 |
| Switching Frequency(Max)(kHz) |
500 |
500 |
| Regulated Outputs(#) |
1 |
1 |
| Duty Cycle(Max)(%) |
100 |
100 |
| Operating Temperature Range(°C) |
-40 to 85 |
0 to 70 |
| Pin/Package |
8TSSOP |
8SOIC, 8TSSOP |
| Topology |
Boost |
Boost |
UCC39412 特性
- 1 V Input Voltage Operation Start-Up Ensured Under Full Load on Main Output, and Operation Down to 0.5 V
- 200 mW Output Power at Battery Voltages as Low as 0.8 V
- Secondary 7 V Supply from a Single Inductor
- Output Fully Disconnected in Shutdown
- Adaptive Current Mode Control for Optimum Efficiency
- High Efficiency Over Wide Operating Range
- 6 µA Shutdown Supply Current
- Output Reset Function with Programmable Reset Period
UCC39412 芯片订购指南
| 器件 |
状态 |
温度 |
价格（美元） |
封装 | 引脚 |
封装数量 | 封装载体 |
丝印标记 |
| UCC39412PW |
ACTIVE |
-40 to 85 |
2.10 | 1ku |
TSSOP (PW) | 8 |
150 | TUBE |
39412 |
| UCC39412PWG4 |
ACTIVE |
-40 to 85 |
2.10 | 1ku |
TSSOP (PW) | 8 |
150 | TUBE |
39412 |
UCC39412 质量与无铅数据
| 器件 |
环保计划* |
铅/焊球涂层 |
MSL 等级/回流焊峰 |
环保信息与无铅 (Pb-free) |
DPPM / MTBF / FIT 率 |
| UCC39412PW |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
|
UCC39412PW |
| UCC39412PWG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-2-260C-1 YEAR |
UCC39412PWG4 |
UCC39412PWG4 |
UCC39412 应用技术支持与电子电路设计开发资源下载
- UCC39412 数据资料 dataSheet 下载.PDF
- TI 德州仪器非隔离式开关 DC/DC 调节器选型与价格参考 . xls
- Dual MOSFET Driver
(PDF 498 KB)
- 全面认识开关型电源中的BUCK-BOOST功率级 (Rev. A)
(PDF 2206 KB)
- Understanding Boost Power Stages In Switchmode Power Supplies
(PDF 149 KB)
- Understanding Buck Power Stages In Switchmode Power Supplies
(PDF 173 KB)
- 标准线性产品交叉参考 (Rev. D)
(PDF 1058 KB)
- 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
- 所选封装材料的热学和电学性质 (PDF 645 KB)
- 高速数据转换 (PDF 1967 KB)
UCC39412 相关工具
| 名称 |
型号 |
公司 |
工具/软件类型 |
| 低输入电压，双输出端同步升压转换器 EVM |
UCC39412EVM |
Texas Instruments |
开发电路板/EVM |
| SwitcherPro(TM) 开关电源设计工具 |
SWITCHERPRO |
Texas Instruments |
应用软件 |
