Datasheet > TPS784

TPS784

更新时间： 2024-11-16 02:44:31

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
53页	4863K
描述
TPS784-Q1 Automotive, 300-mA, High-PSRR Low-Dropout Voltage Regulator With High Accuracy and Enable

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TPS784 数据手册

TPS784-Q1

SBVS387C – FEBRUARY 2020 – REVISED JANUARY 2022

TPS784-Q1 Automotive, 300-mA, High-PSRR Low-Dropout Voltage Regulator With

High Accuracy and Enable

1 Features

3 Description

•

AEC-Q100 qualified for automotive applications:

– Temperature grade 1: –40°C to +125°C, T_A

Device junction temperature: –40°C to +150°C, T_J

Input voltage range: 1.65 V to 6.0 V

Available output voltages:

– Adjustable option: 1.2 V to 5.5 V

– Fixed options: 0.65 V to 5.0 V

Output accuracy: 0.5% typical, 1.7% maximum

50-dB PSRR out to 100 kHz

The TPS784-Q1 ultra low-dropout regulator (LDO)

is a small, low quiescent current LDO that can

source 300 mA with excellent line and load transient

performance.

•

The low output noise and great PSRR performance

make the device suitable to power sensitive analog

loads. The TPS784-Q1 is a flexible device for post

regulation because this device supports an input

voltage range from 1.65 V to 6.0 V and offers an

adjustable output range of 1.2 V to 5.5 V. The device

also features fixed output voltages from 0.65 V to

5.0 V for powering common voltage rails.

•

Low I_Q: 25 µA (typical)

Ultra-low dropout:

– 115 mV (max) at 300 mA (3.3 V_OUT

)

•

Internal 500-µs soft-start time to reduce inrush

current

Active output discharge

Functional Safety-Capable

– Documentation available to aid functional safety

system design

The TPS784-Q1 offers foldback current limit to reduce

power dissipation during over current condition. The

EN input helps with power sequencing requirements

of the system. The internal soft-start provides a

controlled start up, reducing the inrush current and

allowing for lower input capacitance to be used.

•

Packages:

The TPS784-Q1 provides an active pulldown circuit to

quickly discharge output loads when disabled.

– 3-mm × 3-mm wettable flank VSON (8)

– 5-pin SOT-23

Device Information⁽¹⁾

2 Applications

PART NUMBER

PACKAGE

BODY SIZE (NOM)

3.00 mm × 3.00 mm

2.90 mm × 1.60 mm

•

Automotive head units

Hybrid instrument clusters

Telematics control units

DC/DC converters

Wettable flank

VSON (8)

TPS784-Q1

SOT-23 (5)

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

the end of the data sheet.

200

0.25

T_J

180

0.2

-55èC

-40èC

0èC

25èC

85èC

125èC

150èC

160

0.15

0.1

140

120

100

0.05

-0.05

-0.1

T_J

-55èC

-40èC

0èC

25èC

85èC

125èC

150èC

-0.15

-0.2

-0.25

0.03 0.06 0.09 0.12 0.15 0.18 0.21 0.24 0.27 0.3

Output Current (A)

0.03 0.06 0.09 0.12 0.15 0.18 0.21 0.24 0.27 0.3

Output Current (A)

Dropout vs I_OUTfor 5.0 V

Output Accuracy vs I_OUTfor 5.0 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...53

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TPS78401BQWDRBRQ1	TI	获取价格	TPS784-Q1 Automotive, 300-mA, High-PSRR Low-Dropout Voltage Regulator With High Accuracy a
TPS78401DBVR	TI	获取价格	TPS784 300-mA, Low IQ, Low-Dropout Regulator
TPS78401QDBVRQ1	TI	获取价格	具有高精度和使能功能的汽车类 300mA、低 IQ、高 PSRR LDO 稳压器 \| DB
TPS78401QWDRBRQ1	TI	获取价格	TPS784-Q1 Automotive, 300-mA, High-PSRR Low-Dropout Voltage Regulator With High Accuracy a
TPS784075QWDRBRQ1	TI	获取价格	TPS784-Q1 Automotive, 300-mA, High-PSRR Low-Dropout Voltage Regulator With High Accuracy a
TPS784085BQWDRBRQ1	TI	获取价格	具有高精度和使能功能的汽车类 300mA、低 IQ、高 PSRR LDO 稳压器 \| DR
TPS78408BQWDRBRQ1	TI	获取价格	具有高精度和使能功能的汽车类 300mA、低 IQ、高 PSRR LDO 稳压器 \| DR
TPS78408QDBVRQ1	TI	获取价格	具有高精度和使能功能的汽车类 300mA、低 IQ、高 PSRR LDO 稳压器 \| DB
TPS784105QWDRBRQ1	TI	获取价格	TPS784-Q1 Automotive, 300-mA, High-PSRR Low-Dropout Voltage Regulator With High Accuracy a
TPS78410QWDRBRQ1	TI	获取价格	TPS784-Q1 Automotive, 300-mA, High-PSRR Low-Dropout Voltage Regulator With High Accuracy a

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