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MAX1771ESA+ 3V~16.5V SOIC-8 DC-DC Converters with ROHS

ISO14001 ISO9001 DUNS

Brands: Analog Devices, Inc

Mfr.Part #: MAX1771ESA

Datasheet: MAX1771ESA Datasheet (PDF)

Package/Case: SOP-8

Product Type: DC DC Switching Controllers

RoHS Status:

Stock Condition: 2,691 pcs, New Original

Warranty: 1 Year Ovaga Warranty - Find Out More

Quick Quote

Please submit RFQ for MAX1771ESA or email to us: Email: [email protected], we will contact you within 12 hours.

MAX1771ESA General Description

The MAX1771ESA+ represents a significant advancement in power management solutions for portable applications. Its integrated power switch and high-efficiency PWM control scheme enable it to deliver up to 500mA of output current while maintaining stable and reliable performance. The device's wide input voltage range and adjustable output voltages make it well-suited for a broad range of portable electronics, including battery-powered devices and handheld systems. With internal compensation circuitry, soft-start functionality, and robust protection features, the MAX1771ESA+ prioritizes both efficiency and safety, catering to the stringent requirements of modern portable designs


  • Wide input voltage range: 4.5V to 28V
  • Adjustable output voltage range: 1.23V to 80V
  • Up to 1.2A output current
  • Internal soft-start to reduce inrush current
  • Overvoltage protection
  • Thermal shutdown protection
  • Low shutdown current
  • Small package size: SOIC-8


  • Boost converters
  • Battery-powered devices
  • Power supplies
  • Industrial control systems
  • Automotive systems


Parameter Value Parameter Value
Pbfree Code Yes Rohs Code Yes
Part Life Cycle Code Transferred Ihs Manufacturer MAXIM INTEGRATED PRODUCTS INC
Part Package Code SOIC Package Description SO-8
Pin Count 8 Reach Compliance Code compliant
ECCN Code EAR99 HTS Code 8542.31.00.01
Control Technique PULSE FREQUENCY MODULATION Input Voltage-Max 16.5 V
Input Voltage-Min 3 V JESD-30 Code R-PDSO-G8
JESD-609 Code e3 Length 4.9 mm
Moisture Sensitivity Level 1 Number of Functions 1
Number of Terminals 8 Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C Output Current-Max 0.5 A
Output Voltage-Nom 12 V Package Body Material PLASTIC/EPOXY
Package Code SOP Package Equivalence Code SOP8,.25
Peak Reflow Temperature (Cel) 260 Qualification Status Not Qualified
Seated Height-Max 1.75 mm Supply Current-Max (Isup) 0.11 mA
Surface Mount YES Switcher Configuration BOOST
Switching Frequency-Max 300 kHz Technology BICMOS
Temperature Grade INDUSTRIAL Terminal Finish MATTE TIN
Terminal Form GULL WING Terminal Pitch 1.27 mm
Terminal Position DUAL Time@Peak Reflow Temperature-Max (s) 30
Width 3.9 mm


Shipping Type Ship Fee Lead Time
DHL DHL $20.00-$40.00 (0.50 KG) 2-5 days
Fedex Fedex $20.00-$40.00 (0.50 KG) 2-5 days
UPS UPS $20.00-$40.00 (0.50 KG) 2-5 days
TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
REGISTERED AIR MAIL REGISTERED AIR MAIL $20.00-$40.00 (0.50 KG) 2-5 days

Processing Time:Shipping fee depend on different zone and country.


Terms of payment Hand Fee
Wire Transfer Wire Transfer charge US$30.00 banking fee.
Paypal Paypal charge 4.5% service fee.
Credit Card Credit Card charge 3.5% service fee.
Western Union Western Union charge US.00 banking fee.
Money Gram Money Gram charge US$0.00 banking fee.


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


  • Product

    Step1 :Product

  • Vacuum packaging

    Step2 :Vacuum packaging

  • Anti-static bag

    Step3 :Anti-static bag

  • Individual packaging

    Step4 :Individual packaging

  • Packaging boxes

    Step5 :Packaging boxes

  • bar-code shipping tag

    Step6 :bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

  • ESD
  • ESD

Equivalent Parts

For the MAX1771ESA component, you may consider these replacement and alternative parts:

Part Number




Part Number :   LT1930ES5-1#TRMPBF

Brands :  

Package :  

Description :  

Part Number :   LM2735YMF/NOPB

Brands :  

Package :  

Description :  

Part Number :   LM2675MX-5.0/NOPB

Brands :  

Package :  

Description :  

Part Number :   TPS61042DRBR

Brands :  

Package :  

Description :  

Part Number :   MAX1771EUB

Brands :  

Package :  

Description :  

Part Number :   MAX1771EEI+

Brands :  

Package :  

Description :  

Part points

  • The MAX1771ESA is a step-up DC-DC converter chip by Maxim Integrated. It's commonly used in portable devices and low-power applications to efficiently boost voltage levels. With a wide input voltage range and high efficiency, it's ideal for battery-powered systems. The chip integrates necessary functions like oscillator, control, and power switch, simplifying circuit design.
  • Equivalent

    Equivalent products to the MAX1771ESA chip include the LT1371 and LT1171 from Linear Technology (now part of Analog Devices), as well as the UC3842 from Texas Instruments. These chips are all high-frequency PWM controllers commonly used in switch-mode power supply applications.
  • Features

    MAX1771ESA features: 1. Step-up (boost) DC-DC converter. 2. Input voltage range: 2.5V to 16.5V. 3. Output voltage up to 28V. 4. 300kHz fixed frequency PWM operation. 5. Internal 1.25A MOSFET switch. 6. Shutdown mode. 7. Adjustable current limit.
  • Pinout

    The MAX1771ESA is a step-up DC-DC converter with a pin count of 8. The functions of the pins include ON/OFF control (pin 1), feedback input (pin 2), ground (pin 3), output voltage setting (pin 4), switch node (pin 5), supply voltage input (pin 6), and frequency setting (pins 7 and 8).
  • Manufacturer

    The MAX1771ESA is manufactured by Maxim Integrated, an American company specializing in analog and mixed-signal semiconductor products. Established in 1983, Maxim Integrated develops integrated circuits for various applications including power management, sensors, and communication.
  • Application Field

    The MAX1771ESA is commonly used in portable electronics, such as battery-powered devices, due to its ability to efficiently step up voltages from low-power sources like batteries. It's often found in applications like smartphones, portable media players, and other handheld gadgets requiring higher voltages than those supplied by batteries.
  • Package

    The MAX1771ESA chip is in a surface-mount package, SOIC (Small Outline Integrated Circuit), with 8 pins.

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