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TDA 4817

Features: · IC for sinusoidal line-current consumption· Power factor approaching 1· Controls boost converter as an active harmonics filter· Direct drive of SIPMOS transistor· Zero crossing detector for discontinuous operation mode with variable frequency· 110/220 V AC operation without switchover·...

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TDA 4817: Features: · IC for sinusoidal line-current consumption· Power factor approaching 1· Controls boost converter as an active harmonics filter· Direct drive of SIPMOS transistor· Zero crossing detector ...

TDA 4817 Data Sheet

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Part Number:
TDA 4817
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: 2024/4/18

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Product Details

Description



Features:

· IC for sinusoidal line-current consumption
· Power factor approaching 1
· Controls boost converter as an active harmonics filter
· Direct drive of SIPMOS transistor
· Zero crossing detector for discontinuous operation mode with variable frequency
· 110/220 V AC operation without switchover
· Standby current consumption of 0.5 mA


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Limit Values
Unit
 Remarks
min.
max.
Supply voltage
VS
0.3
VZ
V
 VZ = Z-voltage
Inhibit
VC
0.3
20
V
  
Comparator
VOP
0.3
20
V
  
Operational amplifier Multiplier
VM1
0.3
20
V
  
Output OP
VQOP
0.3
6
V
  
Z-current VS-GND
IZ
0
100
mA
 Observe P max
Driver output QSIP
VQSIP
0.3
V S
V
  
QSIP clamping diodes
IQSIP
10
10
mA
 VQSIP > VS or
VQSIP < 0.3 V
Detector input
VDet
0.9
6
V
  
Detector clamping diodes
IDet
10
10
mA
 VQSIP > VS or
VQSIP < 0.3 V
Junction temperature
Tj
150
°C
  
Storage temperature
Tstg
55
125
°C
  
Thermal resistance
system-air TDA 4817
R thSA
100
K/W
 P-DIP-8 package
TDA 4817 G
R thSA
170
K/W
 P-DSO-8 package
Supply voltage
VS
VZ
V
 1)
Z-current
IZ
100
mA
 Observe Pmax
Driver current
500
mA
 Observe Pmax
Ambient temperature
IQSIP
85
°C
  



Description

The TDA 4817 contains all functions for designing electronic ballasts and switched-mode power supplies with sinusoidal line current consumption and a power factor approaching 1.

The TDA 4817 controls a boost converter as an active harmonic filter in a discontinuous (triangular shaped current) mode with variable frequency. A typical application is in electronic ballasts, especially when a large number of such lamps are concentrated on one line supply point.

The output voltage of this filter is regulated with high efficiency. Therefore the device can be easily operated on different line voltages (110/220 VAC) without any switchover.

The TDA 4817 is an 8-pin-economy-version of the TDA 4814 A without reference voltage output
and start/stop monitoring circuit.




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