Maxim > Products > Power and Battery Management > MAX830, MAX831, MAX832, MAX833

MAX830, MAX831, MAX832, MAX833

5V/3.3V/3V/Adjustable-Output, 1A, Step-Down, PWM, Switch-Mode DC-DC Regulators

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Status Explanations for product status codes

Part Number Status
MAX830 This product is No Longer Available.
MAX831 This product is No Longer Available.
MAX832 This product is No Longer Available.
MAX833 This product is No Longer Available.

Description

The MAX830/MAX831/MAX832/MAX833 are monolithic, bipolar, pulse-width-modulation (PWM), switch-mode, step-down DC-DC regulators. Each is rated at 1A. Very few external components are needed for standard operation because the power switch, oscillator, feedback, and control circuitry are all on-chip. Employing a classic buck topology, these regulators perform high-current step-down functions.

These regulators have excellent dynamic and transient response characteristics, while featuring cycle-by-cycle current limiting to protect against overcurrent faults and short-circuit output faults. They have a wide 8V to 30V input range. Outputs for the MAX831/MAX832/MAX833 are fixed at 5V/3.3V/3V, respectively. The MAX830 output is adjustable.

Available in 16-pin SO packages, the MAX830–MAX833 have a preset 100kHz oscillator frequency. In addition, the preset current limit and micropower shutdown can be externally controlled. See the MAX724/MAX726 data sheet for more applications information.
 

Data Sheet

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Key Features

  • Input Range: Up to 30V
  • 1A On-Chip Power Switch
  • Adjustable Output (MAX830)
    • Fixed Outputs: 5V (MAX831)
    • 3.3V (MAX832)
    • 3V (MAX833)
  • 100kHz Switching Frequency
  • Excellent Dynamic Characteristics
  • Few External Components
  • 8mA Quiescent Current
  • 16-Pin SO Package
  • Evaluation Kit Available
 

Applications/Uses

  • Distributed Power from High-Voltage Buses
  • High-Current, High-Voltage Step-Down Applications
  • Multiple-Output Buck Converter
   

Diagram

MAX830, MAX831, MAX832, MAX833: Pin Configuration
Pin Configuration

Product Guides

Wireless (PDF)

Reliability Reports

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Software/Models

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Ordering Information

Filters: Part Number: Package: Temperature: Tape and Reel Sample
Part Number Free
Sample
Buy Status Explanations for product status codes Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR *
Temp RoHS/Lead-Free?
Materials Analysis
MAX830CWE     N/A No Longer Available SOIC(W);16 pin;111.8 mm²

Land Pattern: Not Available
Use pkgcode/variation: W16-9*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
MAX830CWE+     N/A No Longer Available SOIC(W);16 pin;111.8 mm²

Land Pattern: Not Available
Use pkgcode/variation: W16+9*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX830CWE+T     N/A No Longer Available SOIC(W);16 pin;111.8 mm²

Land Pattern: Not Available
Use pkgcode/variation: W16+9*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX830CWE-T     N/A No Longer Available W.SO;16 pin

Land Pattern: Not Available

0°C to +70°C See data sheet
MAX831CWE     N/A No Longer Available SOIC(W);16 pin;111.8 mm²

Land Pattern: Not Available
Use pkgcode/variation: W16-9*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
MAX831CWE+     N/A No Longer Available SOIC(W);16 pin;111.8 mm²

Land Pattern: Not Available
Use pkgcode/variation: W16+9*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX831CWE+T     N/A No Longer Available W.SO;16 pin

Land Pattern: Not Available

0°C to +70°C See data sheet
MAX831CWE-T     N/A No Longer Available W.SO;16 pin

Land Pattern: Not Available

0°C to +70°C See data sheet
MAX832CWE     N/A No Longer Available SOIC(W);16 pin;111.8 mm²

Land Pattern: Not Available
Use pkgcode/variation: W16-9*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
MAX832CWE+     N/A No Longer Available SOIC(W);16 pin;111.8 mm²

Land Pattern: Not Available
Use pkgcode/variation: W16+9*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
Part Number Free
Sample
Buy Status Explanations for product status codes Package:
TYPE PINS FOOTPRINT
DRAWING  CODE/VAR *
Temp RoHS/Lead-Free?
Materials Analysis
MAX832CWE+T     N/A No Longer Available W.SO;16 pin

Land Pattern: Not Available

0°C to +70°C See data sheet
MAX832CWE-T     N/A No Longer Available W.SO;16 pin

Land Pattern: Not Available

0°C to +70°C See data sheet
MAX833CWE     N/A No Longer Available SOIC(W);16 pin;111.8 mm²

Land Pattern: Not Available
Use pkgcode/variation: W16-9*
0°C to +70°C RoHS/Lead-Free: No
Materials Analysis
MAX833CWE+     N/A No Longer Available SOIC(W);16 pin;111.8 mm²

Land Pattern: Not Available
Use pkgcode/variation: W16+9*
0°C to +70°C RoHS/Lead-Free: Lead Free
Materials Analysis
MAX833CWE+T     N/A No Longer Available W.SO;

Land Pattern: Not Available

0°C to +70°C See data sheet
MAX833CWE-T     N/A No Longer Available W.SO;

Land Pattern: Not Available

0°C to +70°C See data sheet

Notes:
  1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
  2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
  3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
  4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Notes and Comments

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Document Ref.: 19-0167 Rev 2; 1995-06-01
This page last modified: 2009-11-10


 


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