MAXIM

MAX1831EEE+

1MHz Step-down type Adjustable 1.1V~5.5V 3A QSOP-16-150mil Voltage Regulators - DC DC Switching Regulators RoHS

QSOP-16-150milROHS3 CompliantActive

3A, 1MHz, Low-Voltage, Step-Down Regulators with Synchronous Rectification and Internal Switches

Manufacturer: MAXIM
Manufacturer part #: MAX1831EEE+
Store part #: C1355466
Package / case: QSOP-16-150mil
Category: Voltage Regulators - DC DC Switching Regulators
Packaging: Tube-packed

Datasheet (PDF)

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12 in stock

#C1355466

Stock & price checked 4 days ago

Quantity	Unit price	Pack price
1+	₹2,142.03	₹2,142.03
10+	₹2,041.48	₹20,414.80
30+	₹1,867.07	₹56,012.10
100+	₹1,714.83	₹1,71,483.00

Quantity (min 1)

1 × ₹2,142.03

₹2,142.03

excl. GST

₹2,527.60 incl. 18% GST

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Standard pack: 100 per tube

MAX1831EEE+

₹2,142.03 for 1 + GST

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Specifications

Operating Temperature: -40℃~+85℃@(TA)
Frequency - Switching: 1MHz
Function: Step-down type
Number of Outputs: 1
Features: Light load efficient mode;Load disconnect
Output Type: Adjustable
Topology: Buck
Operating Voltage: 3V~5.5V
Switch tube (built-in/external): Built-in
Output Voltage: 1.1V~5.5V
Output Current: 3A
Quiescent Current: 750uA

Packaging & compliance

RoHS: ROHS3 Compliant
Lifecycle: Active
ECCN: EAR99
Packaging: Tube-packed
Standard pack: 100 / Tube
Sold per: Piece
Minimum order: 1
Unit weight: 0.07 g

Overview

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-rectifier 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 tradeoffs between efficiency, output switching noise, component size, and cost. Both devices are designed for continuous 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.

Applications

5V or 3.3V to Low-Voltage Conversion
CPU I/O Supplies
Chipset Supplies
Notebook and Subnotebook Computers

Key features

±1.5% Output Accuracy
94% Efficiency
Internal PMOS/NMOS Switches 45mΩ/55mΩ On-Resistance at VIN = +4.5V 50mΩ/55mΩ On-Resistance at VIN = +3V
Output Voltages: +3.3V, +2.5V, or +1.5V Pin Selectable (MAX1831); +2.5V, +1.8V, or +1.5V Pin Selectable (MAX1830); +1.1V to VIN Adjustable (Both Devices)
+3V to +5.5V Input Voltage Range
750µA (max) Operating Supply Current
<1µA Shutdown Supply Current
Programmable Constant-Off-Time Operation
Up to 1MHz Switching Frequency
Idle Mode Operation at Light Loads
Thermal Shutdown
Internal Digital Soft-Start Inrush Current Limiting
100% Duty Cycle During Low-Dropout Operation
Output Short-Circuit Protection
16-Pin QSOP Package