Datasheet LTC3870 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | PolyPhase Step-Down Slave Controller for Digital Power System Management |
| Pages / Page | 22 / 8 — block DiagraM (CH0 Shown) |
| File Format / Size | PDF / 928 Kb |
| Document Language | English |
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Model Line for this Datasheet
Text Version of Document
LTC3870
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SYNC PHASMD EXTVCC 11 12 18 10µA SYNC 4.8V DET PHASE PROGRAM – + VIN 27 PFD 20 VIN FREQ + CIN VCO OSC 5.0V 5.0V S LDO LDO R Q EN EN INTVCC ICMP 3K IREV + 17 – – BOOST0 + 22 TG0 CB ON 24 M1 REV SWITCH SW0 L LOGIC UVLO 23 AND I CC V LIM I FAULTB ANTI- D OUT0 LIM RANGE SELECT B RC + 10 HI: 1:1 SHOOT- INTV FCNT C LO: 1:1.5 CC UVLO THROUGH BG0 OUT0 RUN 21 M2 CVCC PGND 19 SLOPE I + SENSE0 COMPENSATION 2 I – SENSE0 3 1 71.1k INTVCC + – + – + – 1.7V REF ITH0 28 1 4 26 29 MODE0 RUN0 FAULT0 SGND 3870 BD 3870fb 8 For more information www.linear.com/LTC3870
block DiagraM (CH0 Shown)
SYNC PHASMD EXTVCC 11 12 18 10µA SYNC 4.8V DET PHASE PROGRAM – + VIN 27 PFD 20 VIN FREQ + CIN VCO OSC 5.0V 5.0V S LDO LDO R Q EN EN INTVCC ICMP 3K IREV + 17 – – BOOST0 + 22 TG0 CB ON 24 M1 REV SWITCH SW0 L LOGIC UVLO 23 AND I CC V LIM I FAULTB ANTI- D OUT0 LIM RANGE SELECT B RC + 10 HI: 1:1 SHOOT- INTV FCNT C LO: 1:1.5 CC UVLO THROUGH BG0 OUT0 RUN 21 M2 CVCC PGND 19 SLOPE I + SENSE0 COMPENSATION 2 I – SENSE0 3 1 71.1k INTVCC + – + – + – 1.7V REF ITH0 28 1 4 26 29 MODE0 RUN0 FAULT0 SGND 3870 BD 3870fb 8 For more information www.linear.com/LTC3870
