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Philips Semiconductors
Vertical deflection power amplifier for
monitors
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134); voltages referenced to substrate (pin 6);
unless otherwise specified.
SYMBOL
V
supply voltage (pin 1)
P1
V
supply voltage (pin 4)
P2
V
supply voltage (pin 8)
P3
V
voltage on pins 2, 3 and 9
2,3,9
V
voltage on pins 5 and 7
5,7
I
current on pin 4
4
I
output current on pin 5 (peak value)
5 (M)
I
flyback current on pin 7 (peak value)
7 (M)
I
current on pin 9
9
T
storage temperature
stg
T
operating ambient temperature
amb
T
junction temperature
j
V
electrostatic handling for all pins
es
Notes
1. Internally limited by thermal protection; switching temperature point at 160 8 C.
2. Equivalent to discharging a 200 pF capacitor through a 0
THERMAL CHARACTERISTICS
SYMBOL
R
thermal resistance from junction to mounting base
th j-mb
The heatsink can be estimated according to application circuit (see Fig.1):
R
=
R
+
R
th j-a
th j-mb
th mb-h
A heatsink is needed at R
R
= 22.2 K/W
(5 + 0.5) K/W = 16.7 K/W.
th h-a
1997 Jan 20
PARAMETER
PARAMETER
T
–
T
j(max)
amb
+
R
=
---------------------------------- -
th h-a
P
IC(max)
< 5 K/W and R
th j-mb
th mb-h
CONDITIONS
note 1
note 1
note 2
series resistor.
105 C 65 C
–
=
=
22.2 K/W
---------------------------------------- -
1.8 W
= 0.5 K/W (using silicon grease) with
5
Product specification
TDA4861
MIN.
MAX.
40
60
60
V
P1
60
1
1.5
1.5
8
25
+150
20
+75
168
300
VALUE
5
.
UNIT
V
V
V
V
V
A
A
A
mA
C
C
C
V
UNIT
K/W
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