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TDA4605

Video ICs SMPS Controller

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SeekIC No. : 00475794 Detail

TDA4605: Video ICs SMPS Controller

TDA4605 Data Sheet

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Part Number:
TDA4605
Mfg:
STMicroelectronics
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: 2024/4/19

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Product Details

Quick Details

Operating Supply Voltage : 20 V Supply Current : 3 mA
Maximum Operating Temperature : + 85 C Package / Case : PDIP-8
Packaging : Tube    

Description

Maximum Operating Temperature : + 85 C
Packaging : Tube
Supply Current : 3 mA
Package / Case : PDIP-8
Operating Supply Voltage : 20 V


Features:

· Fold-back characteristic provides overload protection for external components
· Burst operation under short-circuit conditions
· Loop error protection
· Switch-off if line voltage is too low (undervoltage switch-off)
· Line voltage compensation of overload point
· Soft-start for quiet start-up
· Chip-over temperature protection (thermal shutdown)
· On-chip parasitic transformer oscillation suppression circuitry


Specifications

Parameter Symbol Limit Values Unit Remarks
min. max.
Voltages pin 1
pin 2
pin 3
pin 5
pin 6
pin 7		 V1
V2
V3
V5
V6
V7		 0.3
0.3
0.3
0.3
0.3
0.3		 3
V6
20
6		 V
V
V
V
V
V		 Supply voltage
Currents pin 1
pin 2
pin 3
pin 4
pin 5
pin 6
pin 7
pin 8		 V1
V2
V3
V4
V5
V6
V7
V8		 1.5
1.5
3		 3
3
3
1.5
1.5
3
3		 mA
mA
mA
A
A
A
mA
mA		 tp 50 s; v 0.1*)
tp 50 s; v 0.1
tp 50 s; v 0.1
Junction temperature Tj   125  
Storage temperature Tstg 40 125  



Description

The IC TDA4605 controls the MOS-power transistor and performs all necessary regulation and monitoring functions in free running flyback converters. Since good load regulation over a wide load range is attained, this IC is applicable tor consumer and industrial power supplies.

The TDA4605 serial circuit of power transistor and primary winding of the flyback transformer is connected to the input voltage. During the switch - on period of the transistor, energy is stored in the transformer and during the switch - off period it is fed to the load via the secondary winding. By varying switchon time of the power transistor, the TDA4605 controls each portion of energy transferred to the secondary side such that the output voltage remains nearly independent ot load variations.

The required control information is taken from the input voltage during the switch-on period and from a regulation winding during the switch-off period.




Parameters:

Technical/Catalog InformationTDA4605
VendorSTMicroelectronics
CategoryIntegrated Circuits (ICs)
Type-
Voltage - Supply-
Current - Supply-
Voltage - Input-
Package / Case8-DIP (300 mil)
PackagingTube
ApplicationsPower Supply Controller
Operating Temperature-20°C ~ 85°C
Drawing Number*
Lead Free StatusLead Free
RoHS StatusRoHS Compliant
Other Names TDA4605
TDA4605



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