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MIC3490

High Vin, Low Iq LDO Regulator

Status: In Production

Features:

  • Wide input voltage range: 2.3V to 36V
  • Ultra-low ground current: 18µA
  • Low dropout voltage of 270mV at 100mA
  • High output accuracy of ±2.0% over temperature
  • µCap: stable with ceramic or tantalum capacitors
  • Excellent line and load regulation specifications
  • Zero off-mode current
  • Reverse battery protection
  • Reverse leakage protection
  • Thermal shutdown and current limit protection
  • IttyBitty® SOT-23-5 package
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Overview
Documents
Development Environment
RoHS Information
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Device Overview

Summary

The MIC3490 is a 100mA, highly accurate, low dropout regulator with high input voltage and ultra-low ground current. This combination of high input voltage and low ground current makes the MIC3490 ideal for multi-cell Li-Ion battery systems.

A µCap LDO design, the MIC3490 is stable with either ceramic or tantalum output capacitors. It only requires a 2.2µF capacitor for stability.

Features of the MIC3490 include enable input, thermal shutdown, current limit, reverse battery protection, and reverse leakage protection.

Available in fixed and adjustable output voltage versions, the MIC3490 is offered in the SOT-23-5 package with a junction temperature range of -40°C to +125°C.

The MIC3490 is pin to pin compatible with LM3490 which has been obsoleted. 

For product comparison, please consider: MIC5233

Parametrics
Name
Value
Product Type
Single LDOs
# of Out
1
IOUT #1
100
IOUT #2
n/a
IOUT #3
n/a
IOUT #4
n/a
IOUT (mA)
100
VIN Min (V)
2.3
VIN Max (V)
36
VOUT (V)
1.8, 2.5, 3.0, 3.3, 5.0, Adj
Voltage Drop Typ (mV)
270
IGND Typ (µA)
18
Tol Typ %
±1
PSRR 1 kHz (dB)
50
Soft Start Pin
Load Dump
Rev Bat
Yes
Reverse Current Protect
Yes

Documents

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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (grams)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
MIC3490-3.3YM5-TR
0.017400
0.049000
5
SOT-23
-
NiPdAu
e4
MIC3490-1.8YM5-TR
0.017400
0.049000
5
SOT-23
-
NiPdAu
e4
MIC3490-2.5YM5-TR
0.017400
0.049000
5
SOT-23
-
NiPdAu
e4
MIC3490-3.0YM5-TR
0.017400
0.049000
5
SOT-23
-
NiPdAu
e4
MIC3490-5.0YM5-TR
0.017400
0.049000
5
SOT-23
-
NiPdAu
e4
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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