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UC3770B Datasheet(PDF) 3 Page - Texas Instruments |
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UC3770B Datasheet(HTML) 3 Page - Texas Instruments |
3 / 3 page 3 UNITRODE CORPORATION 7 CONTINENTAL BLVD. • MERRIMACK, NH 03054 TEL. 603-424-2410 • FAX 603-424-3460 UC3770A UC3770B PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNITS Turn Off Delay 22 ms Sink Driver Saturation Voltage IM = 1.0A 0.8 0.8 V IM = 1.3A 1.3 1.3 V Source Driver Saturation Voltage IM = 1.0A 1.3 1.3 V IM = 1.3A 1.6 1.6 V Output Leakage Current VM = 45V 100 100 µA UC3770A UC3770B ELECTRICAL CHARACTERISTICS (cont.): (All tests apply with VM = 36V, VCC = 5V, VR = 5V, No Load, and 0 °C<TA<70°C, unless otherwise stated, TA =TJ.) 0 1 2 3 4 5 00.5 11.5 2 OUTPUT CURRENT (A) Figure 4. Typical power dissipation vs. output current. 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0.2 2.5 3.0 3.5 4.0 4.5 5.0 T A =+25°C OUTPUT CURRENT – A Figure 3. Typical supply current vs. load current. 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0.6 0.8 1.0 1.2 1.4 1.6 1.8 T A =+25°C OUTPUT CURRENT – A Figure 1. Typical source saturation voltages vs. load current 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 T A =+25°C OUTPUT CURRENT – A Figure 2. Typical sink saturation voltages vs. load current |
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