Position: Home  > All Categories> Integrated Circuits (ICs) > U479B

U479B

Features: • 2-kV ESD Protection• Two Comparators with Common Reference• Tight Threshold Tolerance• Threshold Matched to PTC Characteristic of Incandescent Lamps• Temperature Compensated• NPN Output• Interference and Damage-protection According to VDE 0839&...

product image

U479B Picture
See larger image
SeekIC No. : 004534919 Detail

U479B: Features: • 2-kV ESD Protection• Two Comparators with Common Reference• Tight Threshold Tolerance• Threshold Matched to PTC Characteristic of Incandescent Lamps• Temper...

U479B Data Sheet

floor Price/Ceiling Price

Get Latest Price
Part Number:
U479B
Supply Ability:
5000

Price Break

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

SeekIC Buyer Protection PLUS - newly updated for 2013!

  • Escrow Protection.
  • Guaranteed refunds.
  • Secure payments.
  • Learn more >>

Month Sales

268 Transactions

Rating

evaluate  (4.8 stars)

Upload time: 2024/12/18

add to my favourite

Payment Methods

All payment methods are secure and covered by SeekIC Buyer Protection PLUS.

Notice: When you place an order, your payment is made to SeekIC and not to your seller. SeekIC only pays the seller after confirming you have received your order. We will also never share your payment details with your seller.
Product Details

Description



Features:

• 2-kV ESD Protection
• Two Comparators with Common Reference
• Tight Threshold Tolerance
• Threshold Matched to PTC Characteristic of Incandescent Lamps
• Temperature Compensated
• NPN Output
• Interference and Damage-protection According to VDE 0839
• EMI Protection
• Reversal Polarity Protection
• Load-dump Protection


Pinout

Connection Diagram


Specifications

Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Parameters
Symbol
Value
Unit
Supply voltage Pin2,7
VS
16.5
V
Current consumption
t = 2 ms, Pin1
I1
1.5
A
Output current Pin 3, 5
I3,5
20
mA
Input voltage Pin 4, 6
reference point Pin 7
-V4,6
6
V

Power dissipation
Tamb = 95 °C DIP8
SO8
Tamb=60 °C DIP8
SO8
Ptot
420
360
mW
Ptot
690
560
mW
Ambient temperature range
Tamb
-40to+95
Storage temperature range
Tstg
-55to+125
Junction temperature
Tj
150



Description

The monolithic integrated bipolar circuit, U479B, is designed as a monitor for lamp failure in automobiles. The comparator threshold of U479B is matched to the PTC characteristic of incandescent lamps. The threshold is tied to V4,6 = VS - VT where VT = 8 mV.

If the voltage drop across the shunt resistor, Rsh, exceeds 8 mV, the output is turned off, otherwise, the output of U479B is turned on. Without supply voltage or open input pin 8, the output is turned off. A comparator input, which is not used, must be connected to pin 7.




Customers Who Bought This Item Also Bought

Margin,quality,low-cost products with low minimum orders. Secure your online payments with SeekIC Buyer Protection.
You may also be interested in :
Inductors, Coils, Chokes
DR127-330-R
SD53-100-R
Fans, Thermal Management
3610ML-05W-B49
1608KL-05W-B39
Cables, Wires
821-0814-a
415-0100-150
Discrete Semiconductor Products
T508N12TOF
MUR20040
Isolators
HCPL062N
HCPL316J
Soldering, Desoldering, Rework Products
TGK-900M-B
TGK-900M-1.6D
View more