U4793B Selling Leads, Price trend, U4793B DataSheet download, circuit diagram from SeekIC.com

Features: ` 10 kV ESD protection` Two comparators with common reference` Tight threshold tolerance` Constant threshold` NPN output` Interference and damageprotection according to VDE 0839` EMI protection` Reversal polarity protection` Load-dump protectionPinoutSpecifications Parameters ...

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SeekIC No. : 004534918 Detail

U4793B: Features: ` 10 kV ESD protection` Two comparators with common reference` Tight threshold tolerance` Constant threshold` NPN output` Interference and damageprotection according to VDE 0839` EMI prot...

U4793B Data Sheet

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Part Number:: U4793B
Supply Ability:: 5000

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Upload time: 2024/4/28

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Product Details

Description

Features:

` 10 kV ESD protection
` Two comparators with common reference
` Tight threshold tolerance
` Constant threshold
` NPN output
` Interference and damageprotection according to VDE 0839
` EMI protection
` Reversal polarity protection
` Load-dump protection

Pinout

Connection Diagram

Specifications

Parameters	Symbol	Value	Unit
Supply voltage Pin2,7	V_S	16.5	V
Current consumption t = 2 ms,measured at Pin 1 (GND) Pin1	I₁	1.5	A
Output current Pin 3, 5	I_3,5	20	mA
Input voltage Pin 4, 6 reference point Pin 7	-V_4,6	6	V
Power dissipation Tamb = 95 °C DIP8 SO8 Tamb=60 °C DIP8 SO8	P_tot	420 360	mW
Power dissipation Tamb = 95 °C DIP8 SO8 Tamb=60 °C DIP8 SO8	P_tot	690 560	mW
Ambient temperature range	T_amb	-40to+95
Storage temperature range	T_stg	-55to+125
Junction temperature	T_j	150

Description

The IC U4793B in bipolar circuit, is designed to monitor overload or a short circuit in automotive or industrial applications. The threshold of U4793B is tied to V_4,6 = V_S V_Twhereas V_T = 44.5 mV. It is independent of the supply voltage, VS. If the voltage drop across shunt resistor, Rsh,exceeds this value, the output is turned on, otherwise the output is turned off.

Without supply voltage or open input Pin 8, the output is turned off. The output breakdown voltage of U4793B is determined by the Z-diodes Z₃and Z₅ with a typical value of V_Z = 22 V.

A not used comparator input must be connected to Pin 7.

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U4793B

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