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MAX5934A

Features: · Provides Safe Hot Swap for +9V to +80V Power Supplies (MAX5934A)· Safe Board Insertion and Removal from a Live Backplane· Pin-Selectable Active-Low or Active-High Power- Good Output· Pin-Selectable Latched or Autoretry Fault Management· Programmable Foldback Current Limiting· High-Side...

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SeekIC No. : 004411444 Detail

MAX5934A: Features: · Provides Safe Hot Swap for +9V to +80V Power Supplies (MAX5934A)· Safe Board Insertion and Removal from a Live Backplane· Pin-Selectable Active-Low or Active-High Power- Good Output· Pin...

MAX5934A Data Sheet

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Part Number:
MAX5934A
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Features:

· Provides Safe Hot Swap for +9V to +80V Power Supplies (MAX5934A)
· Safe Board Insertion and Removal from a Live Backplane
· Pin-Selectable Active-Low or Active-High Power- Good Output
· Pin-Selectable Latched or Autoretry Fault Management
· Programmable Foldback Current Limiting
· High-Side Drive for an External N-Channel MOSFET
· Built-In Thermal Shutdown
· Undervoltage Lockout (UVLO)
· Pin-Selectable Duty-Cycle Options (0.94%, 1.88%, 3.75%)


Application

·Hot Board Insertion
·Electronic Circuit Breakers
·Industrial High-Side Switch/Circuit Breakers
·Network Routers and Switches
·24V/48V Industrial/Alarm Systems


Pinout

Connection Diagram


Specifications

(Voltages referenced to GND.)
VCC....................................................................-0.3V to +85V
SENSE, FB_, ON......................................-0.3V to (VCC + 0.3V)
TIMER, PWRGD_, DC, LATCH/RETRY, POL_SEL...-0.3V to +85V
GATE ................................................................-0.3V to +95V
OUT ..........................................(VGATE - 14V) to the lower of
(VGATE + 0.3V) and (VCC + 0.3V)
Maximum GATE Current ................................-50mA, +150mA
Maximum Current into Any Other Pin..........................±50mA
Continuous Power Dissipation (TA = +70°C)
16-Pin QSOP (derate 8.3mW/°C above +70°C).......667mW
Operating Temperature Range ..................-40°C to +85°C
Maximum Junction Temperature ..............................+150°C
Storage Temperature Range ...................-60°C to +150°C
ESD Rating (Human Body Model).................................2000V
Lead Temperature (soldering, 10s) .........................+300°C


Description

The MAX5934/MAX5934A are fully integrated hot-swap controllers for +9V to +80V (MAX5934A) positive supply rails. The MAX5934 is optimized for +33V to +80V power-supply rails. These devices allow for the safe insertion and removal of circuit cards into a live backplane without causing glitches on the backplane power-supply rail. The MAX5934/MAX5934A feature a programmable analog foldback current limit, programmable undervoltage lockout, and programmable output- voltage slew rate through an external n-channel MOSFET. In addition, if these devices remain in current limit for more than a programmable time, the external n-channel MOSFET latches off.

The MAX5934/MAX5934A feature pin-selectable PWRGD_ assertion polarity (active low or active high) and pin-selectable fault management (latched or autoretry). Other features include automatic restart after a circuit-breaker fault, selectable duty-cycle (DC) options, and thermal-shutdown mode for overtemperature protection.

The MAX5934/MAX5934A operate in the extended (-40°C to +85°C) temperature range and are available in a 16-pin QSOP package.




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