Datasheet LTM4639 (Analog Devices) - 9
| Hersteller | Analog Devices |
| Beschreibung | Low VIN 20A DC/DC μModule (Power Module) Step-Down Regulator |
| Seiten / Seite | 32 / 9 — BLOCK DIAGRAM. Figure 1. Simplified LTM4639 Block Diagram |
| Dateiformat / Größe | PDF / 588 Kb |
| Dokumentensprache | Englisch |
BLOCK DIAGRAM. Figure 1. Simplified LTM4639 Block Diagram
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Textversion des Dokuments
LTM4639
BLOCK DIAGRAM
PTC OT_TEST + OTP 499k ~135°C INTVCC – V + OUT_LCL VOUT 400mV 10k V 1M IN PGOOD > 1.4V = ON R1 < 1.1V = OFF CPWR +5V BIAS MAX = 5V RUN VIN VIN R2 5.1V + 2.375V TO 7V COMPA 1.5µF TEMP+ C 35V IN COMPB 60.4k PNP M1 INTERNAL TEMP– COMP 0.3µH V V OUT OUT 47pF POWER SGND 1V CONTROL 20A + VFB M2 10µF COUT 6.3V fSET RFB GND 90.9k RfSET 75k INTERNAL LOOP 2.2Ω FILTER SGND C SOFT-START INTV TRACK/SS CC MODE_PLLIN + – VOSNS– DIFF 250k – AMP + VOSNS+ INTVCC 2.2µF C DIFF_OUT EXTVCC 4639 F01
Figure 1. Simplified LTM4639 Block Diagram
4639f For more information www.linear.com/LTM4639 9
BLOCK DIAGRAM
PTC OT_TEST + OTP 499k ~135°C INTVCC – V + OUT_LCL VOUT 400mV 10k V 1M IN PGOOD > 1.4V = ON R1 < 1.1V = OFF CPWR +5V BIAS MAX = 5V RUN VIN VIN R2 5.1V + 2.375V TO 7V COMPA 1.5µF TEMP+ C 35V IN COMPB 60.4k PNP M1 INTERNAL TEMP– COMP 0.3µH V V OUT OUT 47pF POWER SGND 1V CONTROL 20A + VFB M2 10µF COUT 6.3V fSET RFB GND 90.9k RfSET 75k INTERNAL LOOP 2.2Ω FILTER SGND C SOFT-START INTV TRACK/SS CC MODE_PLLIN + – VOSNS– DIFF 250k – AMP + VOSNS+ INTVCC 2.2µF C DIFF_OUT EXTVCC 4639 F01
Figure 1. Simplified LTM4639 Block Diagram
4639f For more information www.linear.com/LTM4639 9