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MAX6474UT22AD1-T

Description
Fixed/Adjustable Positive LDO Regulator, 1.229V Min, 5V Max, BICMOS, PDSO6, SOT-23, 6 PIN
CategoryPower/power management    The power supply circuit   
File Size624KB,20 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric View All

MAX6474UT22AD1-T Overview

Fixed/Adjustable Positive LDO Regulator, 1.229V Min, 5V Max, BICMOS, PDSO6, SOT-23, 6 PIN

MAX6474UT22AD1-T Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeSOT-23
package instructionSOT-23, 6 PIN
Contacts6
Reach Compliance Codenot_compliant
ECCN codeEAR99
AdjustabilityFIXED
Nominal dropback voltage 10.3 V
Maximum absolute input voltage7 V
JESD-30 codeR-PDSO-G6
JESD-609 codee0
length2.9 mm
Humidity sensitivity level1
Number of functions1
Output times1
Number of terminals6
Working temperatureTJ-Max150 °C
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum output current 10.3 A
Maximum output voltage 15 V
Minimum output voltage 11.229 V
Nominal output voltage 12.2 V
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Encapsulate equivalent codeTSOP6,.11,37
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
method of packingTAPE AND REEL
Peak Reflow Temperature (Celsius)245
Certification statusNot Qualified
Regulator typeFIXED/ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height1.45 mm
surface mountYES
technologyBICMOS
Terminal surfaceTIN LEAD
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
Maximum voltage tolerance2.7%
width1.625 mm
19-2532; Rev 4; 4/05
KIT
ATION
EVALU
BLE
AVAILA
300mA LDO Linear Regulators with
Internal Microprocessor Reset Circuit
General Description
Features
3
3 UCSP, 6-Pin SOT23, and 8-Pin TDFN
Packages
Preset +1.5V to +3.3V Output (100mV Increments)
SET Pin for Adjustable Output Voltage
75µV
RMS
LDO Output Voltage Noise
(MAX6477–MAX6484)
±2.0% Accuracy Over Temperature
Guaranteed 300mA Output Current
Low Dropout Voltage
55mV at 150mA
114mV at 300mA
82µA Supply Current, 0.1µA Shutdown Current
Input Reverse Current, Thermal and Short-Circuit
Protection
Microprocessor Reset with Four Timeout Options
Push-Pull or Open-Drain
RESET
Manual Reset Input
Remote Feedback Sense
MAX6469–MAX6484
The MAX6469–MAX6484 are low-dropout linear regula-
tors with a fully integrated microprocessor reset circuit.
Each is available with preset output voltages from +1.5V
to +3.3V in 100mV increments and delivers up to 300mA
of load current. These devices consume only 82µA of
supply current. The low supply current, low dropout volt-
age, and integrated reset functionality make these
devices ideal for battery-powered portable equipment.
The MAX6469–MAX6484 include a reset output that indi-
cates when the regulator output drops below standard
microprocessor supply tolerances (-7.5% or -12.5% of
nominal output voltage). This eliminates the need for an
external microprocessor supervisor, while ensuring that
supply voltages and clock oscillators have stabilized
before processor activity is enabled. Push-pull and open-
drain active-low reset outputs are available, with reset
timeout periods of 2.5ms, 20ms, 150ms, or 1200ms (min).
The MAX6469/MAX6470/MAX6473–MAX6478/MAX6481–
MAX6484 also have a shutdown feature that reduces the
supply current to 0.1µA (typ). The MAX6471–MAX6474/
MAX6479–MAX6482 offer a manual reset input to assert a
microprocessor reset while the regulator output is within
specification. The MAX6475/MAX6476/MAX6483/
MAX6484 feature a remote feedback sense pin for use
with an external NPN transistor for higher-current applica-
tions. The MAX6469–MAX6476 are available in 6-pin
SOT23 and 8-pin TDFN packages. The MAX6477–
MAX6484 are available in a 3
×
3 chip-scale package
(UCSP™). All devices are specified for operation from
-40°C to +85°C.
Ordering Information
PART
MAX6469UT_
_ _D_-T
MAX6469TA_ _ _D_-T*
MAX6470UT_
_ _D_-T
MAX6470TA_ _ _D_-T*
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-
PACKAGE
6 SOT23-6
8 TDFN-8
6 SOT23-6
8 TDFN-8
Applications
Handheld Instruments (PDAs, Palmtops)
PCMCIA Cards/USB Devices
Cellular/Cordless Telephones
CD/DVD Drives
Notebook Computers
Digital Cameras
Bluetooth Modules/Wireless LAN
*Future
product—contact factory for availability.
Note:
The first “_ _”are placeholders for the output voltage levels
of the devices. Desired output voltages are set by the suffix found
in the Output Voltage Suffix Guide (Table 1). The third “_” is a
placeholder for the reset threshold accuracy. Desired reset
threshold accuracy is set by the suffix found in the Reset
Threshold Accuracy Guide (Table 2). The “_” following the D is a
placeholder for the reset timeout delay time. Desired reset timeout
delay time is set by the suffix found in the Reset Timeout Delay
Guide (Table 3). For example, the MAX6481BL30BD4-T has a
3.0V output voltage, 12.5% reset threshold tolerance, and a
1200ms (min) reset timeout delay. Sample stock is generally avail-
able on standard versions only (Table 4). Standard versions
require a minimum order increment of 2.5k units. Nonstandard
versions must be ordered in 10k-unit increments. Contact factory
for availability.
Ordering Information continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
Pin Configurations appear at end of data sheet.
Typical Operating Circuits appear at end of data sheet.
________________________________________________________________
Maxim Integrated Products
1
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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