TPS61086 具有 2.0A 开关的 18.5V PFM/PWM 高效升压 DC-DC 转换器
TPS61086 描述
The TPS61086 is a high frequency, high efficiency DC to DC converter with an integrated 2.0 A, 0.13 Ohm power switch capable of providing an output voltage up to 18.5 V. The implemented boost converter is based on a fixed frequency of 1.2MHz, pulse-width-modulation (PWM) controller that allows the use of small external inductors and capacitors and provides fast transient response.
At light load, the device can operate in Power Save Mode with pulse-frequency-modulation (PFM) to improve the efficiency while keeping a low output voltage ripple. For very noise sensitive applications, the device can be forced to PWM Mode operation over the entire load range by pulling the MODE pin high. The external compensation allows optimizing the application for specific conditions.
|
TPS61085 |
TPS61086 |
TPS61087 |
| Iout(Max)(A) |
2 |
2 |
3.2 |
| AVDD Ilim(Min)(A) |
2 |
2 |
3.2 |
| Analog Voltage AV/DD(Max)(V) |
18.5 |
18.5 |
18.5 |
| Iq(Typ)(mA) |
0.07 |
0.07 |
0.075 |
| Vin(Min)(V) |
2.3 |
2.3 |
2.5 |
| Vin(Max)(V) |
6 |
6 |
6 |
| Vout(Min)(V) |
2.8 |
2.8 |
3 |
| Vout(Max)(V) |
18.5 |
18.5 |
18.5 |
| Switching Frequency(Typ)(kHz) |
1200 / 650 |
1200 |
1200 / 650 |
| Regulated Outputs(#) |
1 |
1 |
1 |
| VGH / Vpos (Igh) |
External |
External |
External |
| VGL / Vneg (Igl) |
External |
External |
External |
| Duty Cycle(Max)(%) |
90 |
90 |
90 |
| Switch Current Limit(Typ)(A) |
2.6 |
2.6 |
4 |
| Over-Voltage Protection(V) |
3% of AVDD |
3% of AVDD |
3% of AVDD |
| Operating Temperature Range(°C) |
-40 to 85 |
-40 to 85 |
-40 to 85 |
| Pin/Package |
8MSOP, 8TSSOP |
10SON |
10SON |
| Topology |
Boost |
Boost |
Boost |
| Special Function |
|
PFM Mode |
|
| Target Application |
Catalog |
Catalog |
Catalog |
TPS61086 特性
- 2.3 V to 6.0 V Input Voltage Range
- 18.5 V Boost Converter With 2.0 A Switch Current
- 1.2 MHz Switching Frequency
- Power Save Mode for improved Efficiency at Low Output Power or Forced PWM
- Adjustable Soft-Start
- Thermal Shutdown
- Undervoltage Lockout
- 10-Pin QFN Package
- APPLICATIONS
- Handheld Devices
- GPS Receiver
- Digital Still Camera
- Portable Applications
- DSL Modem
- PCMCIA Card
- TFT LCD Bias Supply
TPS61086 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 |
| TPS61086DRCR |
ACTIVE |
-40 to 85 |
1.30 | 1ku |
SON (DRC) | 10 |
3000 | LARGE T&R |
PSRI |
| TPS61086DRCT |
ACTIVE |
-40 to 85 |
1.45 | 1ku |
SON (DRC) | 10 |
250 | SMALL T&R |
PSRI |
TPS61086 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 |
| TPS61086DRCR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
|
TPS61086DRCR |
| TPS61086DRCT |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
|
TPS61086DRCT |
TPS61086 应用技术支持与电子电路设计开发资源下载
- TPS61086 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)
TPS61086 相关工具
| 名称 |
型号 |
公司 |
工具/软件类型 |
| TPS61086 评估模块 |
TPS61086EVM-526 |
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 |
TPS61086 参考设计
| 说明 |
型号 |
公司 |
| 以太网电源 - 同步反向参考设计 |
PMP411 |
Texas Instruments |