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Status

Active: In Production.

Data Sheet

FULL DATA SHEET (PDF, 236kB) Download   E-Mail

Description

The MAX1982/MAX1983 are low-voltage, low-dropout linear regulators with an external bias supply input. The 5V bias supply drives the gate of the internal N-channel pass transistor, making these devices ideal for applications that require low-voltage outputs from low-voltage inputs. The MAX1982 delivers 1.2V (±3%) at 300mA from an input voltage of 1.25V to 5.5V. The MAX1983 delivers an adjustable output voltage from 0.8V to 2V. The MAX1982/MAX1983 include a current-limit and thermal shutdown that protects the regulator in the event of a fault condition. Both devices are offered in a 6-pin SOT23 package and are specified over the extended (-40°C to +85°C) temperature range.

An evaluation kit is available:  MAX1982EVKIT  

Key Features		Applications/Uses
Low-Cost 1.2V, 300mA VID Supply ±3% Output Voltage Accuracy No Minimum Load Current Required 1.25V to 5.5V Input Supply Voltage 5V Input Bias Supply Voltage Power-Good (PGOOD) Open-Drain Output with 1ms Rising Edge Propagation Delay (MAX1982) Adjustable Output Voltage (MAX1983) Low Supply Current (IBIAS + IIN = 165µA typ) 5µA (max) Shutdown Supply Current Tiny 6-Pin SOT23 Package		Cell Phones Low-Dropout Regulators with External Bias Supply Notebook Computers PDAs VID Power Supplies

Diagram

Typical Operating Circuit

Evaluation Kits

MAX1982EVKIT

Reliability Reports

Reliability Report: MAX1983.pdf MAX1982.pdf Show FIT data for: MAX1982 MAX1983 Request Reliability Report for: MAX1982EUT

Software/Models

none

Ordering Information

Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * 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.

Devices: 1-7 of 7

MAX1982EUT	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX1982EUT+			Active	SOT;6 pin;9 mm² Outline Drawing: 21-0058 (PDF) Land Pattern: 90-0175 (PDF) Use pkgcode/variation: U6+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX1982EUT-T			Active	SOT;6 pin;9 mm² Outline Drawing: 21-0058 (PDF) Land Pattern: 90-0175 (PDF) Use pkgcode/variation: U6-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX1982EUT+T			Active	SOT;6 pin;9 mm² Outline Drawing: 21-0058 (PDF) Land Pattern: 90-0175 (PDF) Use pkgcode/variation: U6+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX1983	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX1983EUT+			Active	SOT;6 pin;9 mm² Outline Drawing: 21-0058 (PDF) Land Pattern: 90-0175 (PDF) Use pkgcode/variation: U6+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX1983EUT			Active	SOT;6 pin;9 mm² Outline Drawing: 21-0058 (PDF) Land Pattern: 90-0175 (PDF) Use pkgcode/variation: U6-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX1983EUT-T			Active	SOT;6 pin;9 mm² Outline Drawing: 21-0058 (PDF) Land Pattern: 90-0175 (PDF) Use pkgcode/variation: U6-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX1983EUT+T			Active	SOT;6 pin;9 mm² Outline Drawing: 21-0058 (PDF) Land Pattern: 90-0175 (PDF) Use pkgcode/variation: U6+1*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis

More Information

Topmark Coding: MAX1982 MAX1983 New Product Press Release 2002-08-22

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