MAX5947BESA+T by Analog Devices

Positive High-Voltage, Hot-Swap Controllers

Status: Active
Series: MAX5947A, MAX5947B, MAX5947C
RoHS: Unknown
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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-bar), 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.

Prices starting from US$7.37


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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

Specifications

VIN (V) (min) 9
VIN (V) (max) 80
# Channels 1
Circuit Breaker/ Current Limit Current Limit
Fault Condition Control Latched OffPeriodic Retry
Positive/Negative Rail Positive
Package/Pins SOIC (N)/8
BudgetaryPrice (See Notes) 2.9


MAX5947BESA+T Semiconductors - ICs by Analog Devices

HOT SWAP CONTROLLER 9V-80V NSOIC-8

Status: Unknown
Series: -
RoHS: Unknown
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Specifications

Controller Applications Electronic Circuit Breaker Hot Board Insertion Industrial High Side Switch / Circuit Breaker
Input Voltage -
Supply Voltage Min 9V
Supply Voltage Max 80V
Controller IC Case Style NSOIC
No. of Pins 8Pins
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

HOT SWAP CONTROLLER, 9V-80V, NSOIC-8 | Farnell
Hot Swap Controller, 9V-80V, Nsoic-8 | Newark Electronics

Frequently Asked Questions

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Is the MAX5947BESA+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Farnell and Newark Electronics have stock available or on a lead time for MAX5947BESA+T .

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