TPS767D318PWPR

更新时间： 2024-01-30 02:58:58

品牌	Logo	应用领域
德州仪器 - TI		稳压器输出元件
页数	文件大小	规格书
22页	1123K
描述
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS

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TPS767D318PWPR 数据手册

TPS767D3xx

www.ti.com......................................................................................................................................................... SLVS209H–JULY 1999–REVISED AUGUST 2008

DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS

FEATURES

Because the PMOS device behaves as a low-value

•

Dual Output Voltages for Split-Supply

Applications

resistor, the dropout voltage is very low (350mV

typically at an output current of 1A for the

TPS767D325) and is directly proportional to the

output current. Additionally, since the PMOS pass

element is a voltage-driven device, the quiescent

current is very low and independent of output loading

(typically 85µA over the full range of output current,

0mA to 1A). These two key specifications yield a

significant improvement in operating life for

battery-powered systems. This LDO family also

features a sleep mode; applying a TTL high signal to

EN (enable) shuts down the regulator, reducing the

quiescent current to 1µA at T_J= +25°C.

•

Output Current Range of 0mA to 1.0A per

Regulator

•

3.3V/2.5V, 3.3V/1.8V, and 3.3V/Adjustable

Output

•

Fast-Transient Response

2% Tolerance Over Load and Temperature

Dropout Voltage Typically 350mV at 1A

Ultra-low 85µA Typical Quiescent Current

1µA Quiescent Current During Shutdown

Dual Open-Drain Power-On Reset with 200ms

Delay for Each Regulator

The RESET output of the TPS767D3xx initiates a

reset in microcomputer and microprocessor systems

in the event of an undervoltage condition. An internal

comparator in the TPS767D3xx monitors the output

voltage of the regulator to detect an undervoltage

condition on the regulated output voltage.

•

28-Pin PowerPAD™ TSSOP Package

Thermal Shutdown Protection for Each

Regulator

DESCRIPTION

The TPS767D3xx is offered in 1.8V, 2.5V, and 3.3V

fixed-voltage versions and in an adjustable version

(programmable over the range of 1.5V to 5.5V).

Output voltage tolerance is specified as a maximum

of 2% over line, load, and temperature ranges. The

TPS767D3xx family is available in a 28-pin PWP

TSSOP package. They operate over a junction

temperature range of –40°C to +125°C.

The TPS767D3xx family of dual voltage regulators

offers fast transient response, low dropout voltages

and dual outputs in

incorporating stability with 10µF low ESR output

capacitors.

a compact package and

The TPS767D3xx family of dual voltage regulators is

designed primarily for DSP applications. These

devices can be used in any mixed-output voltage

application, with each regulator supporting up to 1A.

Dual active-low reset signals allow resetting of

core-logic and I/O separately.

PWP PACKAGE

(TOP VIEW)

1RESET

DROPOUT VOLTAGE

vs FREE-AIR TEMPERATURE

27 NC

LINE TRANSIENT RESPONSE

V_OUT= 3.3V

10³

10²

1GND

26 NC

I_OUT= 1A

25 1FB/NC

24 1OUT

23 1OUT

1EN

1IN

C_L= 10mF

T_A= 25°C

5.3

1IN

10¹

2RESET

4.3

I_OUT= 10mA

21 NC

2GND

20 NC

10^-1

10^-2

19 NC

2EN

V_OUT= 3.3V

C_OUT= 10mF

-10

I_OUT= 0

2IN 11

2IN 12

NC 13

NC 14

18 2OUT

17 2OUT

16 NC

-60 -40 -20

20 40 60 80 100 120 140

20 40 60 80 100 120 140 160 180 200

t - Time - ms

T_A- Free-Air Temperature - °C

15 NC

NC = No internal connection

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.

PowerPAD is a trademark of Texas Instruments.

All other 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...22

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TPS767D318PWPR 替代型号

型号	品牌	替代类型	描述	数据表
TPS767D318PWPG4	TI	类似代替	DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
TPS767D318PWPRG4	TI	类似代替	DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
TPS767D318PWP	TI	类似代替	DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS

与TPS767D318PWPR相关器件

型号	品牌	获取价格	描述	数据表
TPS767D318PWPRG4	TI	获取价格	DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
TPS767D318-Q1	TI	获取价格	DUAL-OUTPUT LOW-DROPOUT VOLATAGE REGULATORS
TPS767D318QPWPRQ1	TI	获取价格	DUAL-OUTPUT LOW-DROPOUT VOLATAGE REGULATORS
TPS767D325	TI	获取价格	DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
TPS767D325PWP	TI	获取价格	DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
TPS767D325PWPG4	TI	获取价格	DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
TPS767D325PWPR	TI	获取价格	DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
TPS767D325PWPRG4	TI	获取价格	DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
TPS767D325-Q1	TI	获取价格	DUAL-OUTPUT LOW-DROPOUT VOLATAGE REGULATORS
TPS767D325QPWPRQ1	TI	获取价格	DUAL-OUTPUT LOW-DROPOUT VOLATAGE REGULATORS

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