SG3844DM Microsemi Analog Mixed Signal Group, SG3844DM Datasheet
SG3844DM
Specifications of SG3844DM
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SG3844DM Summary of contents
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... SG3844 PACKAGE ORDER INFO Plastic SOIC Plastic SOIC Ceramic Dip D Y 8-Pin 14-Pin 8-Pin RoHS Compliant / Pb-free Transition DC:0440 SG3844DM SG3844D SG3844Y SG3845DM SG3845D SG3845Y SG2844DM SG2842D SG2844Y SG2845DM SG2845D SG2845Y SG1844Y SG1845Y SG1842Y/883B SG1845Y/883B SG1844Y/DESC ...
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SG1844/SG1845 Series Supply Voltage (I < 30mA) ............................................................... Self Limiting CC Supply Voltage (Low Impedance Source) ........................................................ 30V Output ...
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SG1844/SG1845 Series Parameter Current Sense Section Gain (Notes 5 & 6) Maximum Input Signal (Note 5) Power Supply Rejection Ratio (Note 5) PSRR Input Bias Current Delay to Output (Note 4) Output Section Output Low Level Output High Level Rise ...
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34V GROUND** 16V (1844) 8.4 (1845) 2.5V OSCILLATOR ERROR ...
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SG1844/SG1845 Series GRAPH / CURVE INDEX Characteristic Curves FIGURE # 1. DROPOUT VOLTAGE vs. TEMPERATURE 2. OSCILLATOR TEMPERATURE STABILITY 3. CURRENT SENSE TO OUTPUT DELAY vs. TEMPERATURE 4. START-UP CURRENT vs. TEMPERATURE 5. REFERENCE VOLTAGE vs. TEMPERATURE 6. START-UP VOLTAGE ...
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FIGURE 1. — DROPOUT VOLTAGE vs. TEMPERATURE 10.0 SG1844 9.6 9.2 8.8 8.4 8.0 SG1845 -75 ...
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SG1844/SG1845 Series FIGURE 5. — REFERENCE VOLTAGE vs. TEMPERATURE 5.02 5.01 V 5.00 4.99 4.98 -75 -50 -25 0 Junction Temperature - (°C) FIGURE 7. — START-UP VOLTAGE THRESHOLD vs. TEMPERATURE 16.08 16.06 16.04 16.02 16.00 15.98 -75 -50 -25 ...
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FIGURE 9. — OUTPUT SATURATION VOLTAGE vs. OUTPUT CURRENT & TEMPERATURE 2.5 2.0 1.5 1.0 V ...
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SG1844/SG1845 Series OSCILLATOR The oscillator of the 1844/45 family of PWM's is programmed by the external timing components (RT, CT) as shown in Figure 13. V REF GND 1.86 F ≈ FIGURE ...
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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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SG1844/SG1845 Series 8 (14) 4 (7) 2 (3) SG1844/ 2N2907 Where: 0 ≤ V ≤ 1. 1.43 - 0.23 R and V = ...