MAX6349VPUT-T datasheet, PDF - EEWORLD Datasheet

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MAX6349VPUT-T: DescriptionLDO Voltage Regulators 150mA LOD w/Int MPU Reset Circuit; CategoryPower/power management The power supply circuit; File Size425KB，11 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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MAX6349VPUT-T Overview

LDO Voltage Regulators 150mA LOD w/Int MPU Reset Circuit

MAX6349VPUT-T Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Maxim
Parts packaging code	SOT-23
package instruction	SOT-23, 6 PIN
Contacts	6
Reach Compliance Code	not_compliant
ECCN code	EAR99
Adjustability	FIXED/ADJUSTABLE
Maximum drop-back voltage 1	0.75 V
Nominal dropback voltage 1	0.6 V
Maximum absolute input voltage	7 V
JESD-30 code	R-PDSO-G6
JESD-609 code	e0
length	2.9 mm
Humidity sensitivity level	1
Number of functions	1
Output times	1
Number of terminals	6
Working temperatureTJ-Max	150 °C
Maximum operating temperature	85 °C
Minimum operating temperature
Maximum output current 1	0.15 A
Maximum output voltage 1	1.98 V
Minimum output voltage 1	1.62 V
Nominal output voltage 1	1.8 V
Package body material	PLASTIC/EPOXY
encapsulated code	LSSOP
Encapsulate equivalent code	TSOP6,.11,37
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
method of packing	TAPE AND REEL
Peak Reflow Temperature (Celsius)	245
Certification status	Not Qualified
Regulator type	FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	1.45 mm
surface mount	YES
technology	BICMOS
Terminal surface	Tin/Lead (Sn85Pb15)
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
Maximum voltage tolerance	3%
width	1.625 mm

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19-1889; Rev 3; 3/04

150mA, SOT23, Low-Dropout Linear Regulators

with Internal Microprocessor Reset Circuit

MAX6329/MAX6349

General Description

The MAX6329/MAX6349 are low-dropout, micropower

linear voltage regulators with integrated microproces-

sor reset circuits. Each is available with preset +3.3V,

+2.5V, +1.8V, or adjustable output voltages and can

deliver up to 150mA load current. Employing internal P-

channel MOSFET pass transistors, the devices con-

sume only 25µA supply current, independent of the

device load. The low supply current, low dropout volt-

age, and integrated reset functionality make these

devices ideal for battery powered portable equipment.

The MAX6329/MAX6349 include an internal reset circuit

that indicates when the regulator output drops below

standard microprocessor supply tolerances (-5% or

-10%). The reset output remains asserted for 100ms

(min) after the regulator output exceeds the selected

reset threshold, ensuring that supply voltages and clock

oscillators have stabilized before processor activity is

enabled. Reset outputs are available in push-pull (active-

low or -high) and open-drain (active-low) options. The

internal reset circuit replaces external microprocessor

supervisors or RC-based reset time delays.

The MAX6329/MAX6349 are optimized for use with a

1µF (min) output capacitor. The regulator output volt-

age is adjustable with an external resistor-divider net-

work at SET (reset threshold voltages track the desired

output voltage). Each device includes thermal shut-

down protection, output short-circuit protection, and

reverse leakage protection. The MAX6329 includes a

shutdown feature to reduce regulator current below

1µA (max) and the MAX6349 offers a manual reset

input to assert a microprocessor reset while the regula-

tor output is within specification.

Features

Preset +3.3V/+2.5V/+1.8V or Adjustable Regulator

Output

±3.0% Regulator Accuracy Over the Specifed

Operating Range

25µA Supply Current

Low 180mV Dropout at 100mA Load

Small Output Capacitor (1µF min ceramic or

tantalum)

Zero Reverse Leakage Current

Thermal and Short-Circuit Protection

Integrated Microprocessor Reset Circuit with

100ms (min) Timeout

Open-Drain and Push-Pull Reset Outputs

Regulator Shutdown Input (MAX6329) or Manual

Reset Input (MAX6349)

6-Pin SOT23 Package

Ordering Information

PART

MAX6329_

_ UT-T

MAX6349_

_ UT-T

TEMP RANGE

0°C to +85°C

PIN-

PACKAGE

6 SOT23-6

________________________Applications

Hand-Held Instruments

Electronic Planners

Palm Top Computers

PCMCIA Cards

USB Devices

Cellular Telephones

Cordless Telephones

Modems

These parts offer a choice of regulator/reset voltages and reset

outputs. From the Selector Guide, insert the desired suffix let-

ters into the blanks to complete the part number. Each device

is available in nine standard versions. Sample stock is general-

ly held on standard versions only (see Standard Versions

table). Standard versions have an order increment requirement

of 2500 pieces. Nonstandard versions have an order increment

requirement of 10,000 pieces. Contact factory for availability of

nonstandard versions.

Pin Configuration

TOP VIEW

OUT

GND

MAX6329/

MAX6349

SET

Selector Guide appears at end of data sheet.

Typical Operating Circuit appears at end of data sheet.

(MR) SHDN

RESET/RESET

SOT23-6

( ) ARE FOR MAX6349 ONLY.

________________________________________________________________

Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

MAX6349VPUT-T Related Products

	MAX6349VPUT-T	MAX6349YHUT-T	MAX6349WLUT-T	MAX6349SHUT-T	MAX6349WPUT-T	MAX6349VHUT-T	MAX6329ZLUT-T
Description	LDO Voltage Regulators 150mA LOD w/Int MPU Reset Circuit	LDO Voltage Regulators 150mA, SOT23, Low-Dropout Linear Regulator w/ Internal Microprocessor Reset Circuits	LDO Voltage Regulators 150mA LOD w/Int MPU Reset Circuit	LDO Voltage Regulators 150mA, SOT23, Low-Dropout Linear Regulator w/ Internal Microprocessor Reset Circuits	LDO Voltage Regulators 150mA, SOT23, Low-Dropout Linear Regulator w/ Internal Microprocessor Reset Circuits	LDO Voltage Regulators 150mA, SOT23, Low-Dropout Linear Regulator w/ Internal Microprocessor Reset Circuits	LDO Voltage Regulators 150mA LDO w/Int MPU Reset Circuit
Is it lead-free?	Contains lead	Contains lead	Contains lead	Contains lead	Contains lead	Contains lead	Contains lead
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible
Maker	Maxim	Maxim	Maxim	Maxim	Maxim	Maxim	Maxim
Parts packaging code	SOT-23	SOT-23	SOT-23	SOT-23	SOT-23	SOT-23	SOT-23
package instruction	SOT-23, 6 PIN	SOT-23, 6 PIN	SOT-23, 6 PIN	SOT-23, 6 PIN	SOT-23, 6 PIN	SOT-23, 6 PIN	SOT-23, 6 PIN
Contacts	6	6	6	6	6	6	6
Reach Compliance Code	not_compliant	not_compliant	not_compliant	not_compliant	not_compliant	not_compliant	not_compliant
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Adjustability	FIXED/ADJUSTABLE	FIXED/ADJUSTABLE	FIXED/ADJUSTABLE	FIXED/ADJUSTABLE	FIXED/ADJUSTABLE	FIXED/ADJUSTABLE	FIXED/ADJUSTABLE
Maximum drop-back voltage 1	0.75 V	0.4 V	0.75 V	0.36 V	0.75 V	0.75 V	0.4 V
Nominal dropback voltage 1	0.6 V	0.3 V	0.6 V	0.3 V	0.6 V	0.6 V	0.3 V
Maximum absolute input voltage	7 V	7 V	7 V	7 V	7 V	7 V	7 V
JESD-30 code	R-PDSO-G6	R-PDSO-G6	R-PDSO-G6	R-PDSO-G6	R-PDSO-G6	R-PDSO-G6	R-PDSO-G6
JESD-609 code	e0	e0	e0	e0	e0	e0	e0
length	2.9 mm	2.9 mm	2.9 mm	2.9 mm	2.9 mm	2.9 mm	2.9 mm
Humidity sensitivity level	1	1	1	1	1	1	1
Number of functions	1	1	1	1	1	1	1
Output times	1	1	1	1	1	1	1
Number of terminals	6	6	6	6	6	6	6
Working temperatureTJ-Max	150 °C	150 °C	150 °C	150 °C	150 °C	150 °C	150 °C
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C	85 °C
Maximum output current 1	0.15 A	0.15 A	0.15 A	0.15 A	0.15 A	0.15 A	0.15 A
Maximum output voltage 1	1.98 V	2.75 V	1.89 V	3.63 V	1.89 V	1.98 V	2.625 V
Minimum output voltage 1	1.62 V	2.25 V	1.71 V	2.97 V	1.71 V	1.62 V	2.375 V
Nominal output voltage 1	1.8 V	2.5 V	1.8 V	3.3 V	1.8 V	1.8 V	2.5 V
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	LSSOP	LSSOP	LSSOP	LSSOP	LSSOP	LSSOP	LSSOP
Encapsulate equivalent code	TSOP6,.11,37	TSOP6,.11,37	TSOP6,.11,37	TSOP6,.11,37	TSOP6,.11,37	TSOP6,.11,37	TSOP6,.11,37
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
method of packing	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL	TAPE AND REEL
Peak Reflow Temperature (Celsius)	245	245	245	245	245	245	245
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Regulator type	FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	1.45 mm	1.45 mm	1.45 mm	1.45 mm	1.45 mm	1.45 mm	1.45 mm
surface mount	YES	YES	YES	YES	YES	YES	YES
technology	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS
Terminal surface	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	0.95 mm	0.95 mm	0.95 mm	0.95 mm	0.95 mm	0.95 mm	0.95 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
Maximum voltage tolerance	3%	3%	3%	3%	3%	3%	3%
width	1.625 mm	1.625 mm	1.625 mm	1.625 mm	1.625 mm	1.625 mm	1.625 mm

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