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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsMAX1681ESA+T
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MAX1681ESA+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number
MAX1681ESA+T
Manufacturer
Maxim Integrated
Allelco Part Number
32D-MAX1681ESA+T
ECAD Model
Parts Description
IC REG CHARGE PUMP INV 8SOIC
Package
8-SOIC (0.154', 3.90mm Width)
Data sheet
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
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Specifications

MAX1681ESA+T Tech Specifications
Analog Devices Inc./Maxim Integrated - MAX1681ESA+T technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc./Maxim Integrated - MAX1681ESA+T

Product Attribute Attribute Value  
Manufacturer Maxim Integrated  
Voltage - Output (Min/Fixed) -Vin, 2Vin  
Voltage - Output (Max) -  
Voltage - Input (Min) 2V  
Voltage - Input (Max) 5.5V  
Topology Charge Pump  
Synchronous Rectifier No  
Supplier Device Package 8-SOIC  
Series -  
Package / Case 8-SOIC (0.154', 3.90mm Width)  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Output Type Fixed  
Output Configuration Positive or Negative  
Operating Temperature -40°C ~ 85°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Ratiometric  
Frequency - Switching 500kHz, 1MHz  
Current - Output 125mA  
Base Product Number MAX1681  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

MAX1681ESA+T

Manufacturer

Maxim Integrated

Introduction

The MAX1681ESA+T is a high-efficiency, fixed-output, DC-DC charge-pump voltage converter.

Product Features and Performance

Charge-pump topology for high efficiency

Fixed 1x or 2x output voltage configuration

Operating voltage range of 2V to 5.5V

125mA output current capability

500kHz or 1MHz switching frequency

Integrated undervoltage lockout (UVLO)

Thermal shutdown protection

Stable operation with low-ESR ceramic capacitors

Product Advantages

High efficiency for extended battery life

Small solution size with minimal external components

Wide operating voltage range for versatile applications

Thermal and UVLO protection for reliability

Key Technical Parameters

Output Voltage: -Vin, 2Vin

Input Voltage: 2V to 5.5V

Output Current: 125mA

Switching Frequency: 500kHz, 1MHz

Topology: Charge Pump

Package: 8-SOIC

Quality and Safety Features

RoHS3 compliant

Thermal shutdown protection

Undervoltage lockout (UVLO)

Compatibility

Surface mount (SMD) package

Compatible with low-ESR ceramic capacitors

Application Areas

Portable electronics

Battery-powered devices

Power management systems

Product Lifecycle

The MAX1681ESA+T is an actively supported product. Replacement or upgrade options may be available from Maxim Integrated.

Key Reasons to Choose This Product

High efficiency for extended battery life

Small solution size with minimal external components

Wide operating voltage range for versatile applications

Reliable operation with integrated protection features

Compatibility with common surface mount and capacitor technologies

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc./Maxim Integrated MAX1681ESA+T

Product Attribute MAX1681ESA+T MAX1681ESA MAX1681ESA+ MAX16820ATT+
Part Number MAX1681ESA+T MAX1681ESA MAX1681ESA+ MAX16820ATT+
Manufacturer Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated Analog Devices Inc./Maxim Integrated
Voltage - Output (Min/Fixed) -Vin, 2Vin -Vin, 2Vin -Vin, 2Vin -
Series - - - -
Supplier Device Package 8-SOIC 8-SOIC 8-SOIC 6-TDFN (3x3)
Package / Case 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154', 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) 6-WDFN Exposed Pad
Voltage - Output (Max) - - - -
Synchronous Rectifier No No No -
Voltage - Input (Max) 5.5V 5.5V 5.5V -
Voltage - Input (Min) 2V 2V 2V -
Current - Output 125mA 125mA 125mA -
Output Configuration Positive or Negative Positive or Negative Positive or Negative -
Topology Charge Pump Charge Pump Charge Pump Step-Down (Buck)
Function Ratiometric Ratiometric Ratiometric -
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 125°C (TA)
Package Tape & Reel (TR) Tube Tube Strip
Number of Outputs 1 1 1 1
Frequency - Switching 500kHz, 1MHz 500kHz, 1MHz 500kHz, 1MHz -
Output Type Fixed Fixed Fixed -
Base Product Number MAX1681 MAX1681 MAX1681 MAX16820
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount

MAX1681ESA+T Datasheet PDF

Download MAX1681ESA+T pdf datasheets and Analog Devices Inc./Maxim Integrated documentation for MAX1681ESA+T - Analog Devices Inc./Maxim Integrated.

Datasheets
Cylindrical Battery Holders.pdf
Environmental Information
Maxim Integrated RoHS Cert.pdf Red Phosphorous Certificate.pdf Material Declaration MAX1681ESA+T.pdf
Part Numbering Guide
Part Numbering System.pdf
Application Notes
Charge Pump Converts -5V to +5V.pdf Charge Pump Doubles Negative Voltage.pdf Relay Driver Requires Only 25% Power.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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MAX1681ESA+T Image

MAX1681ESA+T

Analog Devices Inc./Maxim Integrated
32D-MAX1681ESA+T

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