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TPS2087DG4

更新时间： 2024-11-20 12:02:35

品牌	Logo	应用领域
德州仪器 - TI		开关
页数	文件大小	规格书
26页	1073K
描述
POWER-DISTRIBUTION SWITCHES

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TPS2087DG4 数据手册

TPS2080, TPS2081, TPS2082 DUAL

TPS2085, TPS2086, TPS2087 QUAD

www.ti.com

SLVS202B–SEPTEMBER 2000–REVISED OCTOBER 2007

POWER-DISTRIBUTION SWITCHES

FEATURES

•

80-mΩ High-Side MOSFET Switch

•

500 mA Continuous Current per Channel

Independent Thermal and Short-Circuit

Protection With Overcurrent Logic Output

•

Operating Range: 2.7-V to 5.5-V

CMOS- and TTL-Compatible Enable Inputs

2.5-ms Typical Rise Time

Undervoltage Lockout

10 μA Maximum Standby Supply Current

Bidirectional Switch

Available in 8-Pin and 16-Pin SOIC Packages

Ambient Temperature Range, 0°C to 85°C

ESD Protection

DESCRIPTION

The TPS2080, TPS2081, and TPS2082 dual and the

TPS2085,

TPS2086

and

TPS2087

quad

power-distribution switches are intended for

applications where heavy capacitive loads and short

circuits are likely to be encountered.

The TPS208x devices incorporate 80-mΩ N-channel MOSFET high-side power switches for power-distribution

systems that require multiple power switches in a single package. Each switch is controlled by an independent

logic enable input. Gate drive is provided by an internal charge pump designed to control the power-switch rise

times and fall times to minimize current surges during switching. The charge pump requires no external

components and allows operation from supplies as low as 2.7 V.

When the output load exceeds the current-limit threshold or a short is present, the TPS208x limits the output

current to a safe level by switching into a constant-current mode, pulling the overcurrent (OCx) logic output low.

When continuous heavy overloads and short circuits increase the power dissipation in the switch causing the

junction temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a

thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures the switch

remains off until valid input voltage is present. The TPS208x devices are designed to current limit at 1.0-A load.

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.

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...26

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TPS2087DG4 替代型号

型号	品牌	替代类型	描述	数据表
TPS2087DRG4	TI	类似代替	POWER-DISTRIBUTION SWITCHES
TPS2087DR	TI	类似代替	POWER-DISTRIBUTION SWITCHES
TPS2087D	TI	类似代替	POWER-DISTRIBUTION SWITCHES

与TPS2087DG4相关器件

型号	品牌	获取价格	描述	数据表
TPS2087DR	TI	获取价格	POWER-DISTRIBUTION SWITCHES
TPS2087DRG4	TI	获取价格	POWER-DISTRIBUTION SWITCHES
TPS2090	TI	获取价格	QUAD POWER-DISTRIBUTION SWITCHES
TPS2090D	TI	获取价格	QUAD POWER-DISTRIBUTION SWITCHES
TPS2090DR	TI	获取价格	QUAD POWER-DISTRIBUTION SWITCHES
TPS2090DRG4	TI	获取价格	0.5A 2 CHANNEL, BUF OR INV BASED PRPHL DRVR, PDSO8, GREEN, PLASTIC, SOIC-8
TPS2090ID	TI	获取价格	IC BUF OR INV BASED PRPHL DRVR, Peripheral Driver
TPS2090IP	TI	获取价格	暂无描述
TPS2091	TI	获取价格	QUAD POWER-DISTRIBUTION SWITCHES
TPS2091D	TI	获取价格	QUAD POWER-DISTRIBUTION SWITCHES

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