L6598D STMicroelectronics, L6598D Datasheet
L6598D
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L6598D Summary of contents
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Features ■ High voltage rail up to 600 V ■ dV/dt immunity ±50 V/ns in full temperature range ■ Driver current capability: 250 mA source 450 mA sink ■ Switching times 80/40 ns rise/fall with 1 nF load ■ CMOS ...
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Contents Contents 1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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L6598 1 Maximum ratings Table 1. Absolute maximum ratings Symbol I Supply current Low side output V LVG High side reference V OUT High side output V HVG Floating supply voltage V BOOT VBOOT pin slew rate ...
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Electrical characteristics 2 Electrical characteristics BOOT Table 4. Electrical characteristics Symbol Pin Supply voltage V suvp V suvn V suvh High voltage section I 16 bootleak I ...
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L6598 Table 4. Electrical characteristics (continued) Symbol Pin ref IVref 2, 4 Timing section Sense op amp out I 5 out- I out+ V ...
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Pin connections 3 Pin connections Figure 2. Pin connections Table 5. Pin description Pin n° Name fstart fmin out on on+ ...
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L6598 4 Timing diagram Figure 3. EN2 timing diagrams Figure 4. EN1 timing diagrams Doc ID 6554 Rev 7 Timing diagram 7/24 ...
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Timing diagram Figure 5. Oscillator/output timing diagram 8/24 Doc ID 6554 Rev 7 L6598 ...
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L6598 5 Block diagram description 5.1 High/low side driving section An high and low side driving section provide the proper driving to the external power MOS or IGBT. An high sink/source driving current (450/250 mA typ) ensure fast switching times ...
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Block diagram description At the start- the oscillator frequency is set by: Equation 3 At the end of soft start ( frequency is set only by Imin (i.e. R Equation 4 Since the second term ...
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L6598 The degree of approximation depends on the frequency value, but it remains very good in the range from 30 kHz to 100 kHz (figg.9-13) Figure 7. Oscillator block Doc ID 6554 Rev 7 Block diagram description 11/24 ...
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Block diagram description Figure 8. Typ. f vs. R min fmin Figure 10. Typ vs. start min 470 pF fstar f 12/ 470 pF Figure 9. Figure 11. f Doc ...
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L6598 Figure 12. Typ vs. start min 470 pF fstar f 5.3 Bootstrap section The supply of the high voltage section is obtained by means of a bootstrap circuitry. This solution normally requires ...
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Block diagram description The bootstrap driver introduces a voltage drop during the recharging of the capacitor Cboot (i.e. when the low side driver is on), which increases with the frequency and with the size of the external power MOS. It ...
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L6598 5.5 Comparators Two CMOS comparators are available to perform protection schemes. ≥ Short pulses ( 200 ns) on comparators input are recognized. The EN1 input (active high), has a threshold of 0.6 V (typical value) forces the device in ...
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Block diagram description Figure 16. Typ. fmin vs. temperature Figure 18. Typ. fstart vs. temperature 16/24 Figure 17. Start-up current vs temperature Figure 19. Quiescent current vs temperature Doc ID 6554 Rev 7 L6598 ...
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L6598 Figure 20. Vs thresholds and clamp vs temp. Figure 22. LVG source and sink current vs. temperature Figure 21. HVG source and sink current vs. temperature Figure 23. Soft-start timing constant vs. temperature Doc ID 6554 Rev 7 Block ...
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Block diagram description Figure 24. Wide range AC/DC adapter application 18/24 Doc ID 6554 Rev 7 L6598 ...
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L6598 6 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ...
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Package mechanical data DIM 20/24 Plastic DIP-16 (0.25) MECHANICAL DATA mm. MIN. TYP MAX. 0.51 0.77 1.65 0.5 0.25 20 8.5 2.54 17.78 7.1 5.1 3.3 1.27 Doc ...
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L6598 DIM SO-16 MECHANICAL DATA mm. MIN. TYP MAX. 1.75 0.1 0.25 1.64 0.35 0.46 0.19 0.25 0.5 45° (typ.) 9.8 10 5.8 6.2 ...
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... Ordering codes 7 Ordering codes Table 6. Ordering information Order codes L6598 L6598D L6598D016TR 22/24 Package DIP16 SO16N Doc ID 6554 Rev 7 L6598 Packing Tube Tube Tape and reel ...
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L6598 8 Revision history Table 7. Document revision history Date 21-Jun-2004 09-Sep-2004 02-Oct-2009 Revision Changed the impagination following the new release of “corporate 5 technical pubblication design guide”. Done a few of corrections in the text. Added ordering number fot ...
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