TPS55386

Name: TPS55386
Brand: TI
SKU: TPS55386
Price: 1.8 USD

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具有外部补偿的 4.5V 至 28V 输入、双通道 3A 输出、600kHz 降压转换器

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数据表

document-pdfAcrobat TPS5538X 3-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE MOSFET 数据表 (英语)

TPS55386

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数据表

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产品详情

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Topology

Buck

Type

Converter

Iout (max) (A)

3

Vin (min) (V)

4.5

Vin (max) (V)

28

Switching frequency (min) (kHz)

600

Switching frequency (max) (kHz)

600

Features

Enable, Phase Interleaving

Control mode

current mode

Vout (min) (V)

0.8

Vout (max) (V)

25.2

Iq (typ) (µA)

1800

Duty cycle (max) (%)

85

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Topology

Buck

Type

Converter

Iout (max) (A)

3

Vin (min) (V)

4.5

Vin (max) (V)

28

Switching frequency (min) (kHz)

600

Switching frequency (max) (kHz)

600

Features

Enable, Phase Interleaving

Control mode

current mode

Vout (min) (V)

0.8

Vout (max) (V)

25.2

Iq (typ) (µA)

1800

Duty cycle (max) (%)

85

HTSSOP (PWP)

16

32 mm² 5 x 6.4

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.

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.

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.

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.

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	类型	标题	日期
*	数据表	TPS5538X 3-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE MOSFET 数据表	2008年 9月 26日
	选择指南	电源管理指南 2018 (Rev. K)	2018年 7月 31日
	选择指南	电源管理指南 2018 (Rev. R)	2018年 6月 25日
	EVM 用户指南	Using the TPS55386EVM-363 A 12V Input 5.0V & 3.3V Output 3A Non-Sync Buck Conver	2008年 11月 7日

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评估板

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 (...)

用户指南: PDF