MAX1830EEE+

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> Semiconductors - ICs

> Power Management

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Series Information for MAX1830EEE+ - Maxim Integrated

Description

DC/DC CONV BUCK 1MHZ QSOP-16
The MAX1830/MAX1831 constant-off-time, pulse-width- modulated (PWM) step-down DC-DC converters are ideal for use in 5V and 3.3V to low-voltage conversion necessary in notebook and subnotebook computers. These devices feature internal synchronous rectification for high efficiency and reduced component count. They require no external Schottky diode. The internal 45mΩ PMOS power switch and 55mΩ NMOS synchronous-rec- tifier switch easily deliver continuous load currents up to 3A. The MAX1830 produces preset +2.5V, +1.8V, or +1.5V output voltage or an adjustable output from +1.1V to VIN. The MAX1831 produces preset +3.3V, +2.5V, and +1.5V output voltages and an adjustable output from +1.1V to VIN. They achieve efficiencies as high as 94%. The MAX1830/MAX1831 use a unique current-mode, constant-off-time, PWM control scheme, which includes Idle Mode™ to maintain high efficiency during light- load operation. The programmable constant-off-time architecture sets switching frequencies up to 1MHz, allowing the user to optimize performance trade- offs between efficiency, output switching noise, compo- nent size, and cost. Both devices are designed for con- tinuous output currents up to 3A, an internal digital soft-start to limit surge currents during startup, a 100% duty cycle mode for low-dropout operation, and a low-power shutdown mode that disconnects the input from the output and reduces supply current below 1µA.The MAX1830/MAX1831 are available in 16-pin QSOP packages. For similar devices that provide continuous output currents of 1A to 3A, refer to the MAX1644, MAX1623, and MAX1742/MAX1842/MAX1843 data sheets.

Specifications

Topology:
Buck (Step Down)
Input Voltage Min:
3V
Input Voltage Max:
5.5V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
QSOP
No. of Pins:
16Pins
Output Current:
3A
Output Voltage Min:
1.5V
Output Voltage Max:
2.5V
Switching Frequency:
1MHz
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
To Be Advised
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (15-Jan-2018)

Alternate Descriptions

Avnet America

Conv DC-DC Single Step Down 3V to 5.5V 16-Pin QSOP T/R

Avnet America product

Avnet Europe

Conv DC-DC Single Step Down 3V to 5.5V 16-Pin QSOP T/R

Avnet Europe product

Future Electronics

MAX1830 Series 2.56V Single Output Surface Mount DC/DC Converter - QSOP-16