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SC4150

Features: ·Programmable slew of the inrush current when used for hot insertion in the negative 24V and 48V backplane·Closed loop operation limits the maximum current even in short circuit condition·Built in timer prevents false shutdown, when the closed loop operation limits the current.·Sensing t...

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SeekIC No. : 004485629 Detail

SC4150: Features: ·Programmable slew of the inrush current when used for hot insertion in the negative 24V and 48V backplane·Closed loop operation limits the maximum current even in short circuit condition·...

SC4150 Data Sheet

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Part Number:
SC4150
Supply Ability:
5000

Price Break

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

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Upload time: 2026/1/20

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Product Details

Description



Features:

·Programmable slew of the inrush current when used for hot insertion in the negative 24V and 48V backplane
·Closed loop operation limits the maximum current even in short circuit condition
·Built in timer prevents false shutdown, when the closed loop operation limits the current.
·Sensing the drain voltage allows for immediate shutdown in short circuit condition, where current spikes and noise is ignored.
·Power good signal
·Input UVLO and OVLO sensing
·SO-8 package


Application

·Central office switching
·-48V Distributed power systems
·Power supply hotswap & inrush control


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Maximum
Units
Supply Voltage
VCC
-0.3 to 100
V
DRAIN, PWRGD/ PWRGD
-0.3 to 100
V
SENSE, GATE
-0.3 to 20
V
UV, OV
-0.3 to 60
V
Thermal Resistance Junction to Ambient
JA
163
Thermal Resistance Junction to Case
JC
38.8
Operating Junction Temperature Range
TJ
-40 to 125
Storage Temperature Range
TSTG
-65 to 150
Lead Temperature (Soldering) 10 sec
TLEAD
300



Description

The SC4150 is a negative voltage hotswap controller that allows the insertion of line cards into a live backplane. The inrush current is programmable and closed loop operation limits the maximum current even under short circuit conditions. A built in timing circuit prevents false shutdown. The signal from the drain voltage is fed to the timer, providing safety for the MOSFET when in linear mode. The SC4150 latches off under abnormal condition and attempts to restart after a time out period.

The device comes in two options, PWRGD (SC4150H) and PWRGD (SC4150L). These signals can be directly used to enable power modules.




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