Datasheet > TPS62850X

TPS62850X

更新时间： 2024-11-24 02:50:47

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
40页	3327K
描述
TPS62850x 2.7-V to 6-V, 1-A / 2-A Step-Down Converter in SOT583 Package

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数据手册

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TPS62850X 数据手册

TPS628501, TPS628502

SLUSEC8 – MARCH 2021

TPS62850x 2.7-V to 6-V, 1-A / 2-A Step-Down Converter in SOT583 Package

1 Features

3 Description

•

Functional Safety-Capable

– Documentation available to aid functional safety

system design

Input voltage range: 2.7 V to 6 V

Output voltage from 0.6 V to 5.5 V

1% feedback voltage accuracy

(full temperature range)

T_J= –40°C to +150°C

Adjustable switching frequency and sync of

1.8 MHz to 4 MHz

Forced PWM or PWM/PFM operation

Quiescent current 17 µA typical

Precise ENABLE input allows:

– User-defined undervoltage lockout

– Exact sequencing

The TPS62850x is a family of pin-to-pin 1-A and 2-A

high efficiency, easy-to-use synchronous step-down

DC/DC converters. They are based on a peak current

mode control topology. Low resistive switches allow

up to 2-A continuous output current at high ambient

temperature. The switching frequency is externally

adjustable from 1.8 MHz to 4 MHz and can also

be synchronized to an external clock in the same

frequency range. In PWM/PFM mode, the TPS62850x

automatically enters power save mode at light loads

to maintain high efficiency across the whole load

range. The TPS62850x provides a 1% output voltage

accuracy in PWM mode, which helps design a power

supply with high output voltage accuracy, fulfilling tight

supply voltage requirements of digital processors and

FPGA.

•

100% duty cycle mode

Active output discharge

Power-good output with window comparator

For device options with adjustable soft-start, see

the TPS628511

The TPS62850x is available in an 8-pin 1.6-mm ×

2.1-mm SOT583 package.

Device Information

PART NUMBER

TPS628501

PACKAGE⁽¹⁾

BODY SIZE (NOM)

1.6 mm × 2.1 mm

(incl pins)

SOT583

TPS628502

2 Applications

•

Motor drives

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Factory automation and control

Building automation

Test and measurement

General purpose POL

100

TPS62850x

0.47mH

V_OUT

2.7 V - 6 V

VIN

C_IN

2*10 mF

0603

R ₁

C_FF

C_OUT

2*10 mF

0603

MODE/SYNC

R₂

R₃

COMP/FSET

V_IN= 4.0 V

V_IN= 5.0 V

V_IN= 6.0 V

GND

100m

Simplified Schematic

10m 100m

Output Current (A)

Efficiency versus I_OUT, V_OUT= 3.3 V

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...40

中文翻译

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与TPS62850X相关器件

型号	品牌	获取价格	描述	数据表
TPS62850X-Q1	TI	获取价格	TPS62850x-Q1 2.7-V to 6-V, 1-A / 2-A Automotive Step-Down Converter in SOT583 Package
TPS628510	TI	获取价格	TPS62851x 2.7-V to 6-V, 0.5-A / 1-A / 2-A Step-Down Converter in SOT583 Package
TPS628510DRLR	TI	获取价格	TPS62851x 2.7-V to 6-V, 0.5-A / 1-A / 2-A Step-Down Converter in SOT583 Package
TPS628511	TI	获取价格	TPS62851x 2.7-V to 6-V, 0.5-A / 1-A / 2-A Step-Down Converter in SOT583 Package
TPS628511DRLR	TI	获取价格	TPS62851x 2.7-V to 6-V, 0.5-A / 1-A / 2-A Step-Down Converter in SOT583 Package
TPS628512	TI	获取价格	TPS62851x 2.7-V to 6-V, 0.5-A / 1-A / 2-A Step-Down Converter in SOT583 Package
TPS628512DRLR	TI	获取价格	TPS62851x 2.7-V to 6-V, 0.5-A / 1-A / 2-A Step-Down Converter in SOT583 Package
TPS628513	TI	获取价格	采用 SOT-583 封装的 2.7V 至 6V、3A 固定频率降压转换器
TPS628513DRLR	TI	获取价格	采用 SOT-583 封装的 2.7V 至 6V、3A 固定频率降压转换器 \| DRL \|
TPS62851X	TI	获取价格	TPS62851x 2.7-V to 6-V, 0.5-A / 1-A / 2-A Step-Down Converter in SOT583 Package

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