TDA16846 Infineon Technologies, TDA16846 Datasheet - Page 17
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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
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4
Figure 14 shows the Temporary High Power Circuit:
Figure 14
The Temporary High Power Circuit (THPC) consists of two parts:
Firstly, a power measurement circuit is implemented: The capacitor
charged with a constant current
and grounded the other time. Thus the average of the sawtooth voltage
proportional to the converter´s output power (at constant output voltages). The charge
current
Version 2.0
I
8
for
Temporary High Power Circuit FC2, PMO, REF
(Pin 6, 8, 9, TDA 16847-2)
C
8
is set by the resistor
I
8
during the discharge time of the flyback transformer
R
I
9
8
at Pin 9:
= 5 V/
17
R
9
TDA 16846/16846-2
TDA 16847/16847-2
C
V
8
8
31 Jul 2003
at Pin 8 is
at Pin 8 is