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MAX5947C

Maxim Integrated Products
Part Number MAX5947C
Manufacturer Maxim Integrated Products
Description Positive High-Voltage Hot-Swap Controllers
Published Mar 27, 2010
Detailed Description 19-3263; Rev 1; 7/04 www.DataSheet4U.com Positive High-Voltage, Hot-Swap Controllers General Description The MAX5933A–...
Datasheet PDF File MAX5947C PDF File

MAX5947C
MAX5947C

Overview
19-3263; Rev 1; 7/04 www.
DataSheet4U.
com Positive High-Voltage, Hot-Swap Controllers General Description The MAX5933A–MAX5933F/MAX5947A/B/C fully integrated 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 causing 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 outputs (PWRGD/PWRGD), latched/autoretry fault management, 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 PowerSupply 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...


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