UC1846-SP_15 Datasheet, PDF (18/29 Pages) Texas Instruments – Current-Mode PWM Controller

UC1846-SP
SLUS871C – JANUARY 2009 – REVISED OCTOBER 2015
8.2.1.3 Application Curves
80
60
40
20
0
100 1k 10k 100k 1M
Frequency (Hz)
V_IN = 20 V
T_J = 25°C
0^o
-90^o
-180^o
Figure 9. Error Amplifier Gain and Phase vs Frequency
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110
100
90
80
70
0 10 20 30 40 50 60 70 80 90 100
Output Load Resistance RL (k-W)
V_IN = 20 V
T_J = 25°C
Figure 10. Error Amplifier Open-Loop DC Gain vs Load
Resistance
Figure 11. Shutdown With Auto-Restart
Figure 12. Shutdown Without Auto-Restart (Latched)
18
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