Datasheet > TPS74812DRCR

TPS74812DRCR

更新时间： 2024-11-23 04:27:27

品牌	Logo	应用领域
德州仪器 - TI		稳压器软启动
页数	文件大小	规格书
19页	370K
描述
1.5A LDO Linear Regulator with Programmable Soft-Start

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TPS74812DRCR 数据手册

TPS74801

www.ti.com

SBVS074–JANUARY 2007

1.5A LDO Linear Regulator with Programmable Soft-Start

FEATURES

DESCRIPTION

•

Ultra-Low V_INand V_OUTRange: 0.8V to 5.5V

The TPS74801 low-dropout (LDO) linear regulator

provides an easy-to-use robust power management

V_BIASRange 2.7V to 5.5V

Low Dropout: 60mV typ at 1.5A, V_BIAS= 5V

solution for

wide variety of applications.

Power Good (PG) Output Allows Supply

Monitoring or Provides a Sequencing Signal

for Other Supplies

User-programmable soft-start minimizes stress on

the input power source by reducing capacitive inrush

current on start-up. The soft-start is monotonic and

well-suited for powering many different types of

processors and ASICs. The enable input and

power-good output allow easy sequencing with

external regulators. This complete flexibility permits

the user to configure a solution that meets the

sequencing requirements of FPGAs, DSPs, and

other applications with special start-up requirements.

•

2% Accuracy Over Line/Load/Temperature

Programmable Soft-Start Provides Linear

Voltage Startup

•

V_BIASPermits Low V_INOperation with Good

Transient Response

•

Stable with Any Output Capacitor ≥ 2.2µF

A precision reference and error amplifier deliver 2%

accuracy over load, line, temperature, and process.

The device is stable with any output capacitor type,

and is fully specified from –40°C to +125°C. The

TPS74801 is offered in a small 3mm × 3mm SON-10

package, yielding a highly compact, total solution

size.

Available in a Small 3mm x 3mm x 1mm

SON-10 Package

APPLICATIONS

•

FPGA Applications

DSP Core and I/O Voltages

Post-Regulation Applications

Applications With Special Start-Up Time or

Sequencing Requirements

•

Hot-Swap and Inrush Controls

C_SS= 0nF

C_SS= 1nF

C_SS= 2.2nF

0.5V/div

V_OUT

V_IN

R₃

R₁

C_IN

BIAS

3.8V

V_EN

V_OUT

OUT

TPS74801

1.8V

1V/div

V_BIAS

C_OUT

GND

C_BIAS

C_SS

R₂

Time (1ms/div)

Figure 2. Turn-On Response

Figure 1. Typical Application Circuit (Adjustable)

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...19

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与TPS74812DRCR相关器件

型号	品牌	获取价格	描述	数据表
TPS74812DRCT	TI	获取价格	1.5A LDO Linear Regulator with Programmable Soft-Start
TPS74815DRCR	TI	获取价格	1.5A LDO Linear Regulator with Programmable Soft-Start
TPS74815DRCT	TI	获取价格	1.5A LDO Linear Regulator with Programmable Soft-Start
TPS748A	TI	获取价格	具有电源正常指示和使能功能的 1.5A、0.8V、可调节低压降 (LDO) 稳压器
TPS748A-Q1	TI	获取价格	具有电源正常指示和使能功能的汽车类 1.5A、0.8V 低噪声可调节 LDO 稳压器
TPS74901	TI	获取价格	3.0A Low Dropout Linear Regulator with Programmable Soft-Start
TPS74901DRCR	TI	获取价格	具有电源正常指示和使能功能的 3A、低输入电压 (0.8V)、可调节超低压降稳压器 \| D
TPS74901DRCT	TI	获取价格	暂无描述
TPS74901KTWR	TI	获取价格	3.0A Low Dropout Linear Regulator with Programmable Soft-Start
TPS74901KTWRG3	TI	获取价格	3.0A Low Dropout Linear Regulator with Programmable Soft-Start

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