MAX1836ETT33+ by Analog Devices

24V Internal Switch, 100% Duty Cycle, Step-Down Converters


The MAX1836/MAX1837 high-efficiency step-down converters provide a preset 3.3V or 5V output voltage from supply voltages as high as 24V. Using external feedback resistors, the output voltage can be adjusted from 1.25V to VIN. An internal current-limited switching MOSFET delivers load currents up to 125mA (MAX1836) or 250mA (MAX1837). The unique current-limited control scheme, operating with duty cycles up to 100%, minimizes the dropout voltage (120mV at 100mA). Additionally, this control scheme reduces supply current under light loads to 12µA. High switching frequencies allow the use of tiny surface-mount inductors and output capacitors. The MAX1836/MAX1837 step-down converters with internal switching MOSFETs are available in 6-pin SOT23 and 3mm x 3mm TDFN packages, making them ideal for low-cost, low-power, space-sensitive applications. For increased output drive capability, use the MAX1776 step-down converter that uses an internal 24V switch to deliver up to 500mA. For even higher currents, use the MAX1626/MAX1627 step-down controllers that drive an external P-channel MOSFET to deliver up to 20W.

Where to Buy

Prices starting from US$2.24

Distributor Stock
Logo for Farnell
Farnell
from US$2.24
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CoreStaff
from US$3.21
50
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Features

4.5V to 24V Input Voltage Range
Preset 3.3V or 5V Output
Adjustable Output from 1.25V to VIN
Output Currents Up to 125mA (MAX1836) or 250mA (MAX1837)
Efficiency Over 90%
12µA Quiescent Current
3µA Shutdown Current
100% Maximum Duty Cycle for Low Dropout
Small 6-Pin SOT23 and TDFN Packages

Specifications

VIN (V) (min) 4.5
VIN (V) (max) 24
VOUT1 (V) (min) 1.25
VOUT1 (V) (max) 24
IOUT1 (A) (max) 0.125
Switch Type Internal
Preset VOUT (V) 5
Output Adjust. Method PresetResistor
# DC-DC Outputs 1
Switching Frequency (kHz) 200
Design Tools EE-Sim
Package/Pins SOT23/6TDFN/6
BudgetaryPrice (See Notes) 2.3


MAX1836ETT33+ Semiconductors - ICs by Analog Devices

DC/DC CONVERTER BUCK 3.3V TDFN-6

Status: Unknown
Series: MAX1836 Series
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Topology Buck (Step Down)
Input Voltage Min 4.5V
Input Voltage Max 24V
No. of Outputs 1Outputs
DC / DC Converter IC Case TDFN
No. of Pins 6Pins
Output Current 125mA
Output Voltage Min 1.25V
Output Voltage Max 24V
Switching Frequency 200kHz
Operating Temperature Max 85°C
Product Range MAX1836 Series
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

DC/DC CONVERTER, BUCK, 3.3V, TDFN-6 | Farnell

Frequently Asked Questions

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Is the MAX1836ETT33+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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