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TPS2051, TPS2051ADG4, TPS2051ADR G4

Table of contents:
Info of TPS2051
Info of TPS2051ADG4
Info of TPS2051ADR G4

TPS2051, TPS2051ADG4, TPS2051ADR G4 Selling Leads, Datasheet

MFG:Texas Instruments Category:Integrated Circuits (ICs) Package Cooled:SOP-8 D/C:09+

TPS2051, TPS2051ADG4, TPS2051ADR G4 Picture

TPS2051, TPS2051ADG4, TPS2051ADR G4 Datasheet download

Five Points

Part Number: TPS2051

Category: Integrated Circuits (ICs)

MFG: Texas Instruments

Package Cooled: SOP-8

D/C: 09+

Description: TPS2051ADG4

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TPS2051 General Description

The TPS2041 and TPS2051 power distribution switches are intended for applications where heavy capacitive loads and short circuits are likely to be encountered. The TPS2041 and the TPS2051 are 135-mW N-channel MOSFET high-side power switches. Each switch is controlled by a logic enable compatible with 5-V and 3-V logic. Gate drive is provided by an internal charge pump that controls 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 TPS2041 and TPS2051 limit the output current to a safe level by switching into a constant-current mode, pulling the overcurrent (OC) 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 in overcurrent 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 TPS2041 and TPS2051 are designed to limit at 0.9-A load. These power distribution switches are available in 8-pin small-outline integrated circuit (SOIC) and 8-pin plastic dual-in-line packages (PDIP) and operate over an ambient temperature range of 40°C to 85°C.

TPS2051 Maximum Ratings

Input voltage range, V_I(IN) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .0.3 V to 6 V
Output voltage range, V_O(OUT)(see Note 1) . . . . . . . . . . . . . . . . . . . . . 0.3 V to VI(IN) + 0.3 V
Input voltage range, V_I(ENx) or V_I(ENx) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3 V to 6 V
Continuous output current, I_O(OUT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .internally limited
Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . .See Dissipation Rating Table
Operating virtual junction temperature range, T_J. . . . . . . . . . . . . . . . . . . . . . .40°C to 125°C
Storage temperature range, T_stg. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65°C to 150°C
Lead temperature soldering 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . .260°C
Electrostatic discharge (ESD) protection: Human body model MIL-STD-883C . . . . . . . . . . . .2 kV
Machine model . . . . . . . . . . . . . . . . . . . . . . . . . .0.2 kV

TPS2051 Features

135-mW -Maximum (5-V Input) High-Side MOSFET Switch
500 mA Continuous Current
Short-Circuit and Thermal Protection With Overcurrent Logic Output
Operating Range . . . 2.7 V to 5.5 V
Logic-Level Enable Input
2.5-ms Typical Rise Time
Undervoltage Lockout
10 mA Maximum Standby Supply Current
Bidirectional Switch
Available in 8-pin SOIC and PDIP Packages
Ambient Temperature Range, 40°C to 85°C
2-kV Human-Body-Model, 200-V Machine-Model ESD Protection
UL Listed File No. E169910

TPS2051 Connection Diagram

TPS2051ADG4 Parameters

Technical/Catalog Information	TPS2051ADG4
Vendor	Texas Instruments
Category	Integrated Circuits (ICs)
Type	High Side Switch
Number of Outputs	1
Voltage - Input	2.7 ~ 5.5 V
Package / Case	8-SOIC (3.9mm Width)
Packaging	Tube
Current Limit	900mA
Internal Switch(s)	Yes
Operating Temperature	0°C ~ 85°C
Rds (On)	100 mOhm
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	TPS2051ADG4 TPS2051ADG4

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