MAX1976AEZT110+T datasheet, PDF

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MAX1976AEZT110+T: DescriptionLDO Voltage Regulators Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN; CategoryPower/power management The power supply circuit; File Size215KB，10 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html; Environmental Compliance

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MAX1976AEZT110+T Overview

LDO Voltage Regulators Low-Input-Voltage, 300mA LDO Regulators with RESET in SOT and TDFN

MAX1976AEZT110+T Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Maxim
package instruction	TSSOP,
Reach Compliance Code	compliant
ECCN code	EAR99
Factory Lead Time	1 week
Maximum input voltage	3.6 V
Minimum input voltage	1.62 V
JESD-30 code	R-PDSO-G6
length	2.9 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	6
Working temperatureTJ-Max	150 °C
Maximum output current 1	0.3 A
Maximum output voltage 1	1.1275 V
Minimum output voltage 1	1.0725 V
Nominal output voltage 1	1.1 V
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	1.1 mm
surface mount	YES
technology	BICMOS
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	1.6 mm

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19-3684; Rev 1; 5/12

Low-Input-Voltage, 300mA LDO Regulators

with

RESET

in SOT and TDFN

General Description

The MAX1963A/MAX1976A low-dropout linear regula-

tors operate from a +1.62V to +3.6V supply and deliver

a guaranteed 300mA continuous load current with a low

100mV dropout. The high-accuracy (±0.5%) output

voltage is preset to an internally trimmed voltage in the

+0.75V to +3.0V range. An active-low, open-drain reset

output remains asserted for at least 2.2ms (MAX1963A)

or 70ms (MAX1976A) after the output voltage reaches

regulation. These devices are offered in thin SOT23 and

thin DFN packages. An internal pMOS pass transistor

allows the low supply current to remain independent of

load and dropout voltage, making these devices ideal for

portable battery-powered equipment.

Low 1.62V Minimum Input Voltage

Guaranteed 300mA Output Current

±2.5% Accuracy Over Load/Line/Temp

Low 100mV Dropout at 300mA Load

2.2ms (MAX1963A) or 70ms (MAX1976A)

RESET

Output Flag

Supply Current Independent of Load and

Dropout Voltage

Logic-Controlled Shutdown

Thermal-Overload and Short-Circuit Protection

Preset Output Voltages (0.75V to 3.0V)

Tiny 6-Pin Thin SOT23 Package (<1.1mm High)

TDFN Package (<0.8mm High)

Features

MAX1963A/MAX1976A

Applications

Notebook/Handheld Computers

Cellular/Smart/PDA Phones

DSC, CD/MP3 Players

PCMCIA Cards

Ordering Information

PART*

MAX1963A

EZT_ _ _+T

MAX1963AETT_ _ _+T

MAX1963AETA_ _ _+T

SHDN

GND

N.C.

TEMP RANGE PIN-PACKAGE

-40°C to +85°C 6 Thin SOT23-6

-40°C to +85°C 6 TDFN-6 3mm x 3mm

-40°C to +85°C 8 TDFN-8 2mm x 2mm

-40°C to +85°C 6 Thin SOT23-6

-40°C to +85°C 6 TDFN-6 3mm x 3mm

-40°C to +85°C 8 TDFN-8 2mm x 2mm

-40°C to +85°C 6 TDFN-6 3mm x 3mm

Pin Configurations

TOP VIEW

IN 1

6 OUT

MAX1976A

EZT_ _ _+T

MAX1976AETT_ _ _+T

MAX1976AETA_ _ _+T

MAX1976AETT_ _ _/V+T

GND 2

MAX1963A

MAX1976A

5 I.C.

MAX1963A

MAX1976A

OUT

N.C.

I.C.

RESET

SHDN 3

4 RESET

*Insert

the desired three-digit suffix (see the Selector Guide) into

the blanks to complete the part number. Contact the factory for

other output voltages.

+Denotes

a lead(Pb)-free/RoHS-compliant package.

/V denotes an automotive-qualified part.

THIN SOT23

SHDN

GND

TDFN

2mm x 2mm

Typical Operating Circuit

INPUT

1.62V TO 3.6V

1µF

OUT

UP TO

300mA

OUTPUT

0.75V TO 3.0V

OUT

LOGIC

4.7µF SUPPLY

100kΩ

MAX1963A

MAX1976A

OUT

I.C.

RESET

OFF

MAX1963A

MAX1976A

SHDN

GND

RESET

µC

TDFN

3mm x 3mm

Selector Guide appears at end of data sheet.

________________________________________________________________

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.

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