tea1781 NXP Semiconductors, tea1781 Datasheet - Page 22

• Manufacturer Part Number: tea1781
• Description: Greenchip Pc Secondary Control Ics
• Manufacturer: NXP Semiconductors

NXP Semiconductors
9. Thermal characteristics
TEA1781_82_1
Preliminary data sheet
Table 5.
In accordance with the Absolute Maximum Rating System (IEC 60134).
[1]
[2]
[3]
Table 6.
[1]
Symbol
V
V
General
P
T
T
V
Symbol
R
stg
j
DF_STB
WND_SEC_1
tot
esd
th(j-a)
Human body model: equivalent to discharging a 100 pF capacitor through a 1.5 k series resistor.
Machine model: equivalent to discharging a 200 pF capacitor through a 0.75 H coil and a 10
resistor.
Peak voltages up to the OVP level are allowed.
Thermal resistance R
printed-circuit board. See the TEA1771T application notes for details.
Limiting values
Thermal characteristics
Parameter
thermal resistance from junction
to ambient
Parameter
voltage on pin DF_STB
voltage on pin
WND_SEC_1
total power dissipation T
storage temperature
junction temperature
electrostatic discharge
voltage
th(j-a)
Rev. 01 — 13 February 2009
can be lower when pin GND is connected to sufficient copper area on the
…continued
Conditions
human body model:
machine model:
charged device
model
amb
all pins
all pins
< 45 C
TEA1781T; TEA1782T
Conditions
in free air
GreenChip PC secondary control ICs
[2]
[1]
Min
-
0.8
73
55
20
1500
150
[1]
Typ
<tbd>
© NXP B.V. 2009. All rights reserved.
Max
+73
+73
<tbd>
+150
+145
+1500
+150
+500
series
Unit
V
V
W
V
V
V
Unit
K/W
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C
C