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37979

Features: ·OPERATION SUPPLY VOLTAGE 9.5 TO 28V PEAK SUPPLY OVERVOLTAGE PULSE UP TO 52V (VS. GND)·FIXED OUTPUT VOLTAGE OF 8.6 ± 0.2V AND OUTPUT CURRENT UP TO 150mA·VERY LOW DROP OUTPUT STAGE WITH LOW OUTPUT VOLTAGE DIAGNOSTIC·OUTPUT SHORT CIRCUIT AND THERMAL OVERLOAD PROTECTION·VERY LOW STANDBY CUR...

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SeekIC No. : 004229221 Detail

37979: Features: ·OPERATION SUPPLY VOLTAGE 9.5 TO 28V PEAK SUPPLY OVERVOLTAGE PULSE UP TO 52V (VS. GND)·FIXED OUTPUT VOLTAGE OF 8.6 ± 0.2V AND OUTPUT CURRENT UP TO 150mA·VERY LOW DROP OUTPUT STAGE WITH LOW...

37979 Data Sheet

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Part Number:
37979
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: 2024/12/25

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Product Details

Description



Features:

·OPERATION SUPPLY VOLTAGE 9.5 TO 28V PEAK SUPPLY OVERVOLTAGE PULSE UP TO 52V (VS. GND)
·FIXED OUTPUT VOLTAGE OF 8.6 ± 0.2V AND OUTPUT CURRENT UP TO 150mA
·VERY LOW DROP OUTPUT STAGE WITH LOW OUTPUT VOLTAGE DIAGNOSTIC
·OUTPUT SHORT CIRCUIT AND THERMAL OVERLOAD PROTECTION
·VERY LOW STANDBY CURRENT (DEVICE DISABLED)
·TWO INTERNAL OUTPUT VOLTAGE SWITCHES WITH LOW DROPOUT FOR AM/FM SWITCHING
·DRIVER CIRCUIT FOR EXTERNAL HIGH SIDE SWITCH WITH DROP MONITORING
·ENABLE INPUT TO SWITCH ON THE DEVICE
·ADDITIONAL 10V VERY LOW DROP REGULATOR TO SUPPLY THE VARICAP


Specifications

Symbol Parameter Value Unit
Vs DC supply voltage -2.2 .. +28 v
Vst Transient operating supply voltage for t = 400ms -2.2 .. +52 v
Vo1,2,3,4 Output voltages -0.3 .. +12 v
VEN Input voltage of EN -0.3 .. +18 V
VIND Input voltage for EN2, EN3, HSON -18 .. +18 v
Vs -VIND DC Input CurrentMax Voltage Difference between Vs and logic inputs EN2,
EN3, HSON		 52 V
VDIAG Diagnostic output -0.3 .. +20 V
Io1 Output current out1, out4 short circuit protected mA
Io2,3 Output current out2,3 (Note 1) internally limited mA
IoDIAG Output current Diagnostic 10 mA
IHSSD Driver current for external pnp High side switch internally limited mA
TJ Operating junction temperature -40 .. +150
Po Power dissipation with on board heat sink 2cm2 1 W
VESD ESD voltage capability ( MIL 883 C ) ±2000 V

Note: Current limiter of OUT1 will also protect OUT2 and OUT3 as long as OUT1 is not reverse supplied. Output capacitors up to 100mF between OUT and GND will not harm this protection.




Description

The 37979 is a monolithic voltage regulator in an advanced BCD60II process with high efficient pchannel transistor. This device is optimized for Car Radio applications to obtain optimum performance and supply system integration with high flexibility and minimum peripheral components.




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