SG3842 Microsemi Corporation, SG3842 Datasheet
SG3842
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SG3842 Summary of contents
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... N channel device. The SG1842/43 is specified for operation over the full military ambient temperature range of - 55°C to 125°C. The SG2842/43 is specified for the industrial range of -25°C to 85°C, and the SG3842/43 is designed for the commercial range of 0°C to 70° ...
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SG1842/SG1843 Series ...
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... Note 3. Range over which the device is functional. (Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG1842/SG1843 with -55°C ≤ T SG2843 with -25°C ≤ T ≤ 85°C, SG3842/SG3843 with 0°C ≤ techniques are used which maintains junction and case temperatures equal to the ambient temperature.) ...
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... C = 1nF 25° 1nF J L 1842 15 1843 7.8 1842 9 7.0 1843 ISENSE I = 25mA CC 6. Gain defined as Adjust VFB (Cont'd.) SG2842/43 SG3842/43 3 3.15 2.85 3 3.15 2.85 3 3.15 1 1.1 0.9 1 1.1 0 -10 -2 -10 -2 150 300 150 300 150 300 0.1 0.4 0.1 0.4 0.1 1.5 2 ...
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34V GROUND** 16V (1842) 8.4V (1843) OSCILLATOR ERROR AMP ...
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SG1842/SG1843 Series GRAPH / CURVE INDEX Characteristic Curves FIGURE # 1. DROPOUT VOLTAGE vs. TEMPERATURE 2. ...
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FIGURE 1. — DROPOUT VOLTAGE vs. TEMPERATURE 10.0 SG1842 9.6 9.2 8.8 8.4 8.0 SG1843 -75 ...
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SG1842/SG1843 Series FIGURE 5. — START-UP CURRENT vs. TEMPERATURE 0.7 SG1842 0.6 0.5 0.4 0.3 SG1843 ...
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FIGURE 9. — OSCILLATOR DISCHARGE CURRENT vs. TEMPERATURE 8.2 8.0 7.8 7.6 7.4 7.2 -75 -50 ...
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SG1842/SG1843 Series OSCILLATOR The oscillator of the 1842/43 family of PWM's is designed such that many ...
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Pin numbers referenced are for 8-pin package and pin numbers in parenthesis are for 14-pin package. ...
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SG1842/SG1843 Series ...
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SG1842/SG1843 Series ...