TDA8171 Datasheet, PDF (3/4 Pages) STMicroelectronics – VERTICAL DEFLECTION BOOSTER

APPLICATION CIRCUIT
R5
+ V_S
C_F
2
6
3
REFERENCE
VOLTAGE
1
10kΩ
7
TDA8171
FLYBACK
GENERATOR
POWER
AMPLIFIER
4
5
THERMAL
PROTECTION
R3
R4
C_L
R2
R1
TDA8171
Figure 1 : Output Transistors SOA
(for secondary breakdown)
I_C (A)
10
@ T_case = 25°C
1
10^-1
t = 1ms
t = 10ms
t = 100ms
10^-2
1
10
V_CE (V)
Figure 2 : Secondary Breakdown Temperature
Derating Curve
(ISB = secondary breakdown current)
ISB (%)
100
90
80
70
60
T_case (°C)
10²
25
50
75
100
125
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