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Siemens Electronic Components Datasheet

TDA4601 Datasheet

Control ICs for Switched-Mode Power Supplies

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Control ICs for Switched-Mode Power Supplies
TDA 4601
Bipolar IC
Features
q Direct control of the switching transistor
q Low start-up current
q Reversing linear overload characteristic
q Base current drive proportional to collector current
q Protective circuit in case of disturbance
P-SIP-9-1
Type
TDA 4601
Ordering Code
Q67000-A2379
Package
P-SIP-9-1
The integrated circuit TDA 4601/D is designed for driving, controlling and protecting the switching
transistor in self-oscillating flyback converter power supplies as well as for protecting the overall
power supply unit. In case of disturbance, the rise of the secondary voltage is prevented. In addition
to the ICs application range including TV-receivers video tape recorders, hifi devices and active
loudspeakers, it can also be used in power supply units for professional applications due to its wide
control range and high voltage stability during increased load changes.
Semiconductor Group
7
06.94



Siemens Electronic Components Datasheet

TDA4601 Datasheet

Control ICs for Switched-Mode Power Supplies

No Preview Available !

Pin Definitions and Functions
Pin No.
1
2
3
4
5
6
7
8
9
Function
VREF output
Zero passage identification
Input control amplifier, overload amplifier
Collector current simulation
Connection for additional protective circuit
Ground (rigidly connected to substrate mounting plate)
DC-output for charging coupling capacitor
Pulse output - driving of switching transistor
Supply voltage
TDA 4601
Block Diagram
Semiconductor Group
8


Part Number TDA4601
Description Control ICs for Switched-Mode Power Supplies
Maker Siemens Semiconductor
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TDA4601 Datasheet PDF





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