Datasheet LT1777 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | Low Noise Step-Down Switching Regulator |
| Seiten / Seite | 24 / 7 — BLOCK DIAGRA. OUTPUT STAGE SI PLIFIED SCHE ATIC |
| Dateiformat / Größe | PDF / 286 Kb |
| Dokumentensprache | Englisch |
BLOCK DIAGRA. OUTPUT STAGE SI PLIFIED SCHE ATIC
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LT1777
W BLOCK DIAGRA
V V CC IN 4 10 R1 V R SHDN B SENSE 3 BIAS VBG – dV/dt SWDR ICOMP LIMITER SYNC Q2 12 OSC LOGIC SWON Q1 SGND 7 VSW 6 VC 14 I I 1 FEEDBACK FB AMP 13 VD g ±dI/dt m I I2 5 LIMITER VBG 1777 BD
W W OUTPUT STAGE SI PLIFIED SCHE ATIC
VIN C1 Q2 Q3 R1 Q4 R2 Q6 Q1 VSW LSENSE LMAIN SWITCH ON I1 V I SIGNAL OUT R3 + Q5 R4 VD NOTE: R3 = R4 1777 SS 7
W BLOCK DIAGRA
V V CC IN 4 10 R1 V R SHDN B SENSE 3 BIAS VBG – dV/dt SWDR ICOMP LIMITER SYNC Q2 12 OSC LOGIC SWON Q1 SGND 7 VSW 6 VC 14 I I 1 FEEDBACK FB AMP 13 VD g ±dI/dt m I I2 5 LIMITER VBG 1777 BD
W W OUTPUT STAGE SI PLIFIED SCHE ATIC
VIN C1 Q2 Q3 R1 Q4 R2 Q6 Q1 VSW LSENSE LMAIN SWITCH ON I1 V I SIGNAL OUT R3 + Q5 R4 VD NOTE: R3 = R4 1777 SS 7