TDA16846 Infineon Technologies, TDA16846 Datasheet - Page 9
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TDA16846
Manufacturer Part Number
TDA16846
Description
IC POWER SUPPLY CONTROLLER 14DIP
Manufacturer
Infineon Technologies
Datasheet
1.TDA16846-2G_GEG.pdf
(29 pages)
Specifications of TDA16846
Applications
Power Supply Controller
Voltage - Supply
8 V ~ 16 V
Current - Supply
5mA
Operating Temperature
-25°C ~ 125°C
Mounting Type
Through Hole
Package / Case
14-DIP (0.300", 7.62mm)
Start-up Supply Current
1mA
Operating Supply Voltage (min)
-0.3V
Operating Supply Voltage (max)
17V
Operating Temp Range
-25C to 125C
Operating Temperature Classification
Commercial
Package Type
PDIP
Pin Count
14
Mounting
Through Hole
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Input
-
Lead Free Status / Rohs Status
Compliant
Other names
SP000011731
TDA16846X
TDA16846XK
TDA16846X
TDA16846XK
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
TDA16846
Manufacturer:
SIEMENS
Quantity:
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Part Number:
TDA16846
Manufacturer:
INFINEON/英飞凌
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20 000
Part Number:
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Manufacturer:
INFINEON/英飞凌
Quantity:
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Part Number:
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Manufacturer:
INF
Quantity:
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Part Number:
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Part Number:
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INFINEON/英飞凌
Quantity:
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Company:
Part Number:
TDA16846P
Manufacturer:
Infineon
Quantity:
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Part Number:
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Manufacturer:
INFINEON/英飞凌
Quantity:
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Figure 5
Primary Current Simulation PCS (Pin 2) / Current Limiting
A voltage proportional to the current of the power transistor is generated at Pin 2 by the
RC-combination
power transistor is switched off and during its switch on time
the rectified mains. The equation of
:
L
The voltage
The other input is the control voltage. If
switches off (current limiting). The maximum value of the control voltage is the internal
reference voltage 5 V, so the maximum current in the power transistor (
:
The control voltage can be reduced by either the Error Amplifier EA (current mode
regulation), or by an opto coupler at Pin 5 (regulation with opto coupler isolation) or by
the voltage
Version 2.0
primary
: Primary inductance of the transformer
V
V
11
2
Startup Voltage Diagram
is applied to one input of the On Time Comparator ONTC (see Figure 2).
at Pin 11 (Fold Back Point Correction).
R
2
,
C
2
(Figure 4). The voltage at Pin 2 is forced to 1.5 V when the
V
2
I
Mprimary
=
1,5 V
V
2
and the current in the power transistor (
=
+
3,5 V
--------------------------------------
L
------------------------------- -
V
9
primary
2
L
exceeds the control voltage, the driver
R
primary
2
R
2
C
I
primary
2
C
2
C
2
TDA 16846/16846-2
TDA 16847/16847-2
is charged by
I
Mprimary
31 Jul 2003
I
) is
primary
R
2
from
) is