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REG101UA-5/2K5, REG102, REG102285

Table of contents:
Info of REG101UA-5/2K5
Info of REG102
Info of REG102285

REG101UA-5/2K5, REG102, REG102285 Selling Leads, Datasheet

MFG:Texas Instruments Category:Integrated Circuits (ICs) Package Cooled:N/A D/C:07+

REG101UA-5/2K5, REG102, REG102285 Datasheet download

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Part Number: REG101UA-5/2K5

Category: Integrated Circuits (ICs)

MFG: Texas Instruments

Package Cooled: N/A

D/C: 07+

Description: REG LO-DROPOUT 5.0V 8-SOIC

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REG101UA-5/2K5 Parameters

Technical/Catalog Information	REG101UA-5/2K5
Vendor	Texas Instruments
Category	Integrated Circuits (ICs)
Regulator Type	Single Output
Package / Case	8-SOIC (3.9mm Width)
Packaging	Tape & Reel (TR)
Regulator Topology	Positive Fixed
Current - Output	100mA
Voltage - Output	5V
Operating Temperature	-40°C ~ 85°C
Voltage - Input	1.8 ~ 10 V
Number of Regulators	1
Current - Limit (Min)	130mA
Current Short Circuit (Isc)	-
Drawing Number	296; 4040047-2; D; 8
Lead Free Status	Contains Lead
RoHS Status	RoHS Non-Compliant
Other Names	REG101UA 5 2K5 REG101UA52K5 REG101UA 5TR ND REG101UA5TRND REG101UA-5TR

REG102 General Description

The REG102 is a family of low-noise, low-dropout linear regulators with low ground pin current. The new DMOS topology provides significant improvement over previous designs, including low-dropout voltage (only 150mV typ at full load), and better transient performance. In addition, no output capacitor is required for stability, unlike conventional low-dropout regulators that are difficult to compensate and require expensive low ESR capacitors greater than 1F.

Typical ground pin current is only 600A (at _IOUT = 250mA) and drops to 10nA when not enabled. Unlike regulators with PNP pass devices, quiescent current remains relatively constant over load variations and under dropout conditions.

The REG102 has very low output noise (typically 28Vrms for V_OUT = 3.3V with C_NR = 0.01F), making it ideal for use in portable communications equipment. On-chip trimming results in high output voltage accuracy. Accuracy is maintained over temperature, line, and load variations. Key parameters are tested over the specified temperature range (40 to +85).

The REG102 is well protected-internal circuitry provides a current limit that protects the load from damage; furthermore, thermal protection circuitry keeps the chip from being damaged by excessive temperature. The REG102 is available in SOT23-5, SOT223-5, and SO-8 packages.

REG102 Maximum Ratings

Supply Input Voltage, VIN	0.3V to 12V
Enable Input	0.3V to VIN
Output Short-Circuit Duration	Indefinite
Operating Temperature Range (TJ)	55 to +125
Storage Temperature Range (TA)	65 to +150
Lead Temperature (soldering, 3s)	+240

NOTE: (1) Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability.

REG102 Features

` NEW DMOS TOPOLOGY:
    Ultra Low Dropout Voltage:
    150mV typ at 250mA
    Output Capacitor not Required for Stability
` FAST TRANSIENT RESPONSE
` VERY LOW NOISE: 28Vrms
` HIGH ACCURACY: ±1.5% max
` HIGH EFFICIENCY:
    IGND = 600A at IOUT = 250mA
    Not Enabled: IGND = 0.01A
` 2.5V, 2.8V, 2.85V, 3.0V, 3.3V, AND 5.0V ADJUSTABLE OUTPUT VERSIONS
` OTHER OUTPUT VOLTAGES AVAILABLE UPON REQUEST
` FOLDBACK CURRENT LIMIT
` THERMAL PROTECTION
` SMALL SURFACE-MOUNT PACKAGES: SOT23-5, SOT223-5, and SO-8

REG102 Typical Application

· PORTABLE COMMUNICATION DEVICES
· BATTERY-POWERED EQUIPMENT
· PERSONAL DIGITAL ASSISTANTS
· MODEMS
· BAR-CODE SCANNERS
· BACKUP POWER SUPPLIES

REG102 Connection Diagram

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