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Status

Active: In Production.

Data Sheet

FULL DATA SHEET (PDF, 308kB) Download   E-Mail

Description

The MAX1735 negative-output, low-dropout linear regulator operates from a -2.5V to -6.5V input and delivers a guaranteed 200mA with a low 80mV dropout. The high-accuracy (±1%) output voltage is preset or can be adjusted from -1.25V to -5.5V with an external resistive voltage-divider. An internal N-channel MOSFET allows for a low 85µA quiescent current virtually independent of the load, making this device ideal for battery-powered portable equipment, such as PDAs, mobile phones, cordless phones, and wireless data modems. The device is available in several preset output voltage versions: -5.0V, -3.0V, and -2.5V. All versions offer a 1nA low-power shutdown mode, short-circuit protection, and thermal overload protection. The device is offered in a tiny 5-pin SOT23 package.

Key Features		Applications/Uses
Guaranteed 200mA Output Current Low 80mV Dropout Voltage at 200mA Low 85µA Quiescent Supply Current Low 1nA Current Shutdown Mode Stable with 1µF COUT PSRR > 60dB at 100Hz Thermal Overload Protection Short-Circuit Protection -5.0V, -3.0V, or -2.5V Output Voltage or Adjustable (-1.25V to -5.5V) Tiny SOT23-5 Package		Access Products Cell Phones Cordless Phones Digital Cameras and Camcorders Glucose Meters Handhelds (GPS, POS Terminal) HDD and RAID PC Add-In Cards Power Supplies

Diagram

Typical Operating Circuit

Application Notes

Application Note 1861: Pass Transistor Boosts Current from Negative Linear Regulator - MAX1735 Application Note 3198: Modified LDO Sinks PECL-Termination Current - MAX1735 Application Note 3627: Modified LDO Regulator Sinks PECL-Termination Current - MAX1735 Application Note 4404: Using a Linear Regulator to Produce a Constant Current Source - MAX1735

Reliability Reports

Show FIT data for: MAX1735 Request Reliability Report for: MAX1735

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: 1-9 of 9

MAX1735	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX1735EUK50+			Active	Land Pattern: Not Available	-40°C to +85°C	See data sheet
MAX1735EUK25+			Active	SOT;5 pin;9 mm² Outline Drawing: 21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX1735EUK25			Active	SOT;5 pin;9 mm² Outline Drawing: 21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX1735EUK25-T			Active	SOT;5 pin;9 mm² Outline Drawing: 21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX1735EUK30-T			Active	SOT;5 pin;9 mm² Outline Drawing: 21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX1735EUK50-T			Active	SOT;5 pin;9 mm² Outline Drawing: 21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5-2*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX1735EUK25+T			Active	SOT;5 pin;9 mm² Outline Drawing: 21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX1735EUK30+T			Active	SOT;5 pin;9 mm² Outline Drawing: 21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX1735EUK50+T			Active	SOT;5 pin;9 mm² Outline Drawing: 21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis

More Information

Topmark Coding: MAX1735 New Product Press Release 2000-07-18

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