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MAX5947A

Description
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
Categorysemiconductor    Analog mixed-signal IC   
File Size267KB,15 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric Compare View All

MAX5947A Overview

1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8

MAX5947A Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals8
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Maximum supply/operating voltage80 V
Minimum supply/operating voltage9 V
Rated supply voltage24 V
Processing package description0.150 INCH, MS012AA, SOIC-8
stateACTIVE
CraftsmanshipBICMOS
packaging shapeRectangle
Package SizeSMALL OUTLINE
surface mountYes
Terminal formGULL WING
Terminal spacing1.27 mm
terminal coatingtin lead
Terminal locationpair
Packaging MaterialsPlastic/Epoxy
Temperature levelINDUSTRIAL
Number of channels1
Adjustable thresholdYes
Analog IC other typesPower supply support circuit
19-3263; Rev 1; 7/04
Positive High-Voltage, Hot-Swap Controllers
General Description
The MAX5933A–MAX5933F/MAX5947A/B/C fully integrat-
ed hot-swap controllers for +9V to +80V positive supply
rails (MAX5947A/B/C), allow for the safe insertion and
removal of circuit cards into live backplanes without caus-
ing glitches on the backplane power-supply rail. The
MAX5947B is pin- and function-compatible with the
LT1641-2. The other devices offer added features such
as a choice of active-high or active-low power-good out-
puts (PWRGD/PWRGD), latched/autoretry fault manage-
ment, and autoretry duty-cycle options of 3.75% or 0.94%
(see the
Selector Guide).
The MAX5933A–MAX5933F are available with a default
undervoltage lockout threshold of +31V and operate over
a supply voltage range of +33V to +80V. The
MAX5947A/B/C are available with a default undervoltage
of +8.3V. All devices feature a programmable analog
foldback current limit. If the device remains in current limit
for more than a programmable time, the external
n-channel MOSFET is either latched off (MAX5933A/
MAX5933C/MAX5947A) or is set to automatically restart
after a timeout delay (MAX5933B/MAX5933D/MAX5933E/
MAX5933F/MAX5947B/MAX5947C).
The MAX5933_ and MAX5947_ operate in the extended
temperature range of -40°C to +85°C. These devices are
available in an 8-pin SO package.
Features
Pin- and Function-Compatible with the LT1641-2
(MAX5947B)
Provides Safe Hot Swap for +9V to +80V Power-
Supply Range (MAX5947A/B/C)
Safe Board Insertion and Removal from Live
Backplanes
Latched/Autoretry Management
Active-Low or Active-High Power-Good Output
Programmable Foldback Current Limiting
High-Side Drive for an External N-Channel MOSFET
Built-In Thermal Shutdown
Undervoltage Lockout (UVLO)
Overvoltage Protection
User-Programmable Supply Voltage
Power-Up Rate
MAX5933A–MAX5933F/MAX5947A/B/C
Ordering Information
PART
MAX5933_ESA*
MAX5947_ESA*
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
8 SO
8 SO
Applications
Hot Board Insertion
Electronic Circuit Breakers
Industrial High-Side Switch/Circuit Breakers
Network Routers and Switches
24V/48V Industrial/Alarm Systems
*Insert
the desired suffix from the Selector Guide into the blank
to complete the part number.
Typical Application Circuit and Pin Configuration appear at
end of data sheet.
Selector Guide
PART
MAX5933A
MAX5933B
MAX5933C
MAX5933D
MAX5933E
MAX5933F
MAX5947A
MAX5947B
MAX5947C
LATCHED
FAULT
PROTECTION
Yes
Yes
Yes
AUTORETRY
FAULT
PROTECTION
Yes
Yes
Yes
Yes
Yes
Yes
PWRGD
OUTPUT LOGIC
High
High
Low
Low
High
Low
Low
High
Low
DUTY CYCLE
(%)
3.75
3.75
0.94
0.94
3.75
3.75
DEFAULT UVLO
(V)
31
31
31
31
31
31
8.3
8.3
8.3
SUPPLY
VOLTAGE
RANGE (V)
33 to 80
33 to 80
33 to 80
33 to 80
33 to 80
33 to 80
9 to 80
9 to 80
9 to 80
________________________________________________________________
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.

MAX5947A Related Products

MAX5947A MAX5933D MAX5933E MAX5933F MAX5947C MAX5947B MAX5933C MAX5933B MAX5933A
Description 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
Number of functions 1 1 1 1 1 1 1 1 1
Number of terminals 8 8 8 8 8 8 8 8 8
Maximum operating temperature 85 Cel 85 Cel 85 Cel 85 Cel 85 Cel 85 Cel 85 Cel 85 Cel 85 Cel
Minimum operating temperature -40 Cel -40 Cel -40 Cel -40 Cel -40 Cel -40 Cel -40 Cel -40 Cel -40 Cel
Maximum supply/operating voltage 80 V 80 V 80 V 80 V 80 V 80 V 80 V 80 V 80 V
Minimum supply/operating voltage 9 V 9 V 9 V 9 V 9 V 9 V 9 V 9 V 9 V
Rated supply voltage 24 V 24 V 24 V 24 V 24 V 24 V 24 V 24 V 24 V
Processing package description 0.150 INCH, MS012AA, SOIC-8 0.150 INCH, MS012AA, SOIC-8 0.150 INCH, MS012AA, SOIC-8 0.150 INCH, MS012AA, SOIC-8 0.150 INCH, MS012AA, SOIC-8 0.150 INCH, MS012AA, SOIC-8 0.150 INCH, MS012AA, SOIC-8 0.150 INCH, MS012AA, SOIC-8 0.150 INCH, MS012AA, SOIC-8
state ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE ACTIVE
Craftsmanship BICMOS BICMOS BICMOS BICMOS BICMOS BICMOS BICMOS BICMOS BICMOS
packaging shape Rectangle Rectangle Rectangle Rectangle Rectangle Rectangle Rectangle Rectangle Rectangle
Package Size SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
surface mount Yes Yes Yes Yes Yes Yes Yes Yes Yes
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal spacing 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm
terminal coating tin lead tin lead tin lead tin lead tin lead tin lead tin lead tin lead tin lead
Terminal location pair pair pair pair pair pair pair pair pair
Packaging Materials Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy Plastic/Epoxy
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
Number of channels 1 1 1 1 1 1 1 1 1
Adjustable threshold Yes Yes Yes Yes Yes Yes Yes Yes Yes
Analog IC other types Power supply support circuit Power supply support circuit Power supply support circuit Power supply support circuit Power supply support circuit Power supply support circuit Power supply support circuit Power supply support circuit Power supply support circuit
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