TL494_15 Datasheet, PDF (9/33 Pages) Unisonic Technologies – VOLTAGE MODE PWM CONTROL CIRCUIT

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TL494
SLVS074G – JANUARY 1983 – REVISED JANUARY 2015
Parameter Measurement Information (continued)
Amplifier Under Test
+
V_I
FEEDBACK
−
+
V_ref
−
Other Amplifier
Figure 6. Amplifier Characteristics
Each Output
Circuit
15 V
68 W
2W
Output
C_L = 15 pF
(See Note A)
t_f
90%
10%
t_r
90%
10%
TEST CIRCUIT
OUTPUT VOLTAGE WAVEFORM
NOTE A: C_L includes probe and jig capacitance.
Figure 7. Common-Emitter Configuration
Each Output
Circuit
15 V
C_L = 15 pF
(See Note A)
Output
68 W
2W
90%
10%
t_r
90%
10%
t_f
TEST CIRCUIT
OUTPUT VOLTAGE WAVEFORM
NOTE A: C_L includes probe and jig capacitance.
Figure 8. Emitter-Follower Configuration
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