- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：直流/直流开关稳压器 - 降压稳压器
- 功能描述：具有外部补偿的 4.5V 至 28V 输入、双路 3A 输出、300kHz 降压转换器
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The TPS55383 and TPS55386 are dual output, non-synchronous buck converters capable of supporting 3-A output applications that operate from a 4.5-V to 28-V input supply voltage, and require output voltages between 0.8 V and 90% of the input voltage.
With an internally-determined operating frequency and soft start time, these converters provide many features with a minimum of external components. The outputs of the two error amplifiers are accessible allowing user optimization of the feedback loop under a wide range of output filter characteristics. Channel 1 overcurrent protection is set at 4.5 A, while Channel 2 overcurrent protection level is selected by connecting a pin to ground, to BP, or left floating. The setting levels are used to allow for scaling of external components for applications that do not need the full load capability of both outputs.
The outputs may be enabled independently, or configured to allow either ratiometric or sequential startup sequencing. Additionally, the two outputs may be powered from different sources.
- 4.5-V to 28-V Input Range
- Output Voltage 0.8 V to 90% of Input Voltage
- Output Current Up to 3 A
- Two Fixed Switching Frequency Versions:
- TPS55383: 300 kHz
- TPS55386: 600 kHz
- Three Selectable Levels of Overcurrent Protection (Output 2)
- 0.8-V 1.75% Voltage Reference
- 2.1-ms Internal Soft Start
- Dual PWM Outputs 180° Out-of-Phase
- Ratiometric or Sequential Startup Modes
- Configurable as Dual Output or Two-Channel Single Output Multiphase for 6 amp Capability
- 85-Ω Internal High-Side MOSFETs
- Current Mode Control with External Compensation
- Pulse-by-Pulse Overcurrent Protection
- Thermal Shutdown Protection at +148°C
- 16-Pin PowerPAD HTSSOP package
- APPLICATIONS
- Set Top Box
- Digital TV
- Power for DSP
- Consumer Electronics
PowerPAD Is a trademark of Texas Instruments. All other trademarks are the property of their respective ownersPower.
- Vin (Min) (V)
- 4.5
- Vin (Max) (V)
- 28
- Vout (Min) (V)
- 0.8
- Vout (Max) (V)
- 25.2
- Iout (Max) (A)
- 3
- Iq (Typ) (uA)
- 1800
- Switching frequency (Min) (kHz)
- 300
- Switching frequency (Max) (kHz)
- 300
- Features
- Enable, Phase Interleaving
- Rating
- Catalog
- Regulated outputs (#)
- 2
- Control mode
- Current Mode
- Duty cycle (Max) (%)
- 90
TPS55383的完整型号有：TPS55383PWP、TPS55383PWPR，以下是这些产品的关键参数及官网采购报价：
TPS55383PWP，工作温度：-40 to 125，封装：HTSSOP (PWP)-16，包装数量MPQ：90个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPS55383PWP的批量USD价格：1.8（1000+）
TPS55383PWPR，工作温度：-40 to 125，封装：HTSSOP (PWP)-16，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网TPS55383PWPR的批量USD价格：1.5（1000+）
TPS55386EVM-363 — TPS55386 13.2V 输入、3.3V 和 5V 双输出、3A 评估模块
TPS55383EVM-363 评估模块 (EVM) 是双路非同步降压转换器，它在高达 3A 的电流下提供 5.0V 和 3.3V 固定输出，每个输出都来自 12V 输入总线。该 EVM 设计成从单电源启动，因此无需额外偏置电压即可启动。该模块使用带有集成高侧 FET 的 TPS55386 600kHz 双路非同步降压转换器。TPS55386EVM-363 设计成使用 12V (+10% /-20%) 稳压总线来产生两个稳压电压轨（即 5.0V 和 3.3V），每个电压轨的负载电流都高达 3A。TPS55386EVM-363 旨在演示 TPS55386 在典型的 12V (...)
TPS55383 TINA-TI Transient Reference Design
PSpice for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。借助?PSpice for TI 的设计和仿真环境及其内置的模型库，您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案，然后再进行布局和制造，可缩短产品上市时间并降低开发成本。
在?PSpice for TI 设计和仿真工具中，您可以搜索 TI (...)
