TDA4861 Datasheet, PDF (5/12 Pages) NXP Semiconductors – Vertical deflection power amplifier for monitors

Philips Semiconductors
Vertical deflection power amplifier for
monitors
Product specification
TDA4861
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134); voltages referenced to substrate (pin 6);
unless otherwise specified.
SYMBOL
V_P1
V_P2
V_P3
V_2,3,9
V_5,7
I₄
I_{5 (M)}
I_{7 (M)}
I₉
T_stg
T_amb
T_j
V_es
PARAMETER
supply voltage (pin 1)
supply voltage (pin 4)
supply voltage (pin 8)
voltage on pins 2, 3 and 9
voltage on pins 5 and 7
current on pin 4
output current on pin 5 (peak value)
flyback current on pin 7 (peak value)
current on pin 9
storage temperature
operating ambient temperature
junction temperature
electrostatic handling for all pins
CONDITIONS
note 1
note 1
note 2
MIN.
−
−
−
−
−
−
−
−
−
−25
−20
−
−
MAX.
40
60
60
V_P1
60
1
±1.5
±1.5
−8
+150
+75
168
±300
UNIT
V
V
V
V
V
A
A
A
mA
°C
°C
°C
V
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 Ω series resistor.
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
R_{th j-mb}
thermal resistance from junction to mounting base
VALUE
5
The heatsink can be estimated according to application circuit (see Fig.1):
R_{th j-a} = R_{th j-mb} + R_{th mb-h} + R_{th h-a} = ^T----j-⁽--^m-P---^a-_I-^xC--⁾--₍-_m^–----_a-T-_x--₎-^a--^m----^b- = ^{1----0---5------°}_1--C--.-8---^–--W---6---5-----^°---C--- = 22.2 K/W .
A heatsink is needed at R_{th j-mb} < 5 K/W and R_{th mb-h} = 0.5 K/W (using silicon grease) with
R_{th h-a} = 22.2 K/W − (5 + 0.5) K/W = 16.7 K/W.
UNIT
K/W
1997 Jan 20
5