Datasheet > TPS7A44

TPS7A44

更新时间： 2024-10-05 02:52:23

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
37页	3000K
描述
TPS7A44 50-mA, 65-V, Low IQ, Low-Dropout Linear Voltage Regulator With Power-Good and Selectable Mid-Output Rail

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TPS7A44 数据手册

TPS7A44

SBVS421 – NOVEMBER 2021

TPS7A44 50-mA, 65-V, Low I_Q, Low-Dropout Linear Voltage Regulator

With Power-Good and Selectable Mid-Output Rail

1 Features

3 Description

•

Input voltage: 4 V to 65 V

The TPS7A44 low-dropout (LDO) linear voltage

regulator introduces a combination of a 4-V to 65-V

input voltage range with very-low quiescent current.

Wide output (OUT) voltage range:

– Adjustable: 1.24 V to 14.5 V

– Fixed: 1.25 V to 5.0 V

Selectable intermediate output (MID_OUT):

– 10 V, 12 V, 15 V

This device can support a wide range of input

voltages (for example, a 15-s battery and 24-V to

48-V line power) and withstand line transient voltages

up to 85 V. These features help modern applications

meet increasingly stringent energy requirements, and

help extend battery life in portable-power solutions.

•

Maximum output current:

– 50 mA (shared between OUT and MID_OUT)

1% accuracy over temperature

Ultra-low I_Q: 5.5 μA

•

The TPS7A44 output (OUT) is available in both

fixed and adjustable output versions, which can

regulate from 1.24 V to 14.5 V at 1% accuracy. The

device also provides a second intermediate output

(MID_OUT) that can be set to 10 V, 12 V, and 15 V

using the MVSEL pins and can be used to bias gate

drivers in place of a discrete regulator.

Precision enable

Power-good (PG) output (open drain)

Thermal shutdown and overcurrent protection

Operating junction temperature: –40°C to +125°C

Package: HVSSOP-10 (R_θJA= 53.7°C/W)

2 Applications

•

Cordless power tools

DC motors and fans

The TPS7A44 features a precision enable input that

helps enable or disable the LDO at a fixed and

accurate threshold voltage using a resistor divider

from the input.

Programmable logic controllers (PLCs)

Field transmitter and process sensors

Smoke and heat detectors

EV charging infrastructure

Battery packs

The power-good (PG) output is used to monitor the

voltage at the feedback pin to indicate the status of

the output voltage. The EN input and PG output can

be used for sequencing multiple power sources in the

system.

Device Information⁽¹⁾

PART NUMBER

TPS7A44

PACKAGE

BODY SIZE (NOM)

HVSSOP (10)

3.00 mm × 3.00 mm

(1) For all available packages, see the package option

addendum at the end of the data sheet.

300

200

100

V_IN

V_OUT

C_OUT

OUT

C_IN

V_EN

V_MVSEL1

V_MVSEL2

GND

-100

-200

-300

-400

-500

-600

-700

TPS7A44

V_{MID_OUT}

C_{MID_OUT}

V_{MID_OUT}

V_OUT

V_IN

MID_OUT

MVSEL1

MVSEL2

GND

200

400

Time (ms)

600

800

1,000

Typical Application Circuit

Line Transient With V_{MID_OUT}= 12 V, V_OUT= 3.3 V,

I_OUT= 50 mA

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...37

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TPS7A4401DGQR	TI	获取价格	TPS7A44 50-mA, 65-V, Low IQ, Low-Dropout Linear Voltage Regulator With Power-Good and Sele
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