Datasheet LTM4637 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | 20A DC/DC µModule Step-Down Regulator |
| Pages / Page | 30 / 8 — pin FuncTions. OSNS : (J12). DIFF_OUT: (K12). OSNS : (M12). MTP1, MTP2, … |
| File Format / Size | PDF / 624 Kb |
| Document Language | English |
pin FuncTions. OSNS : (J12). DIFF_OUT: (K12). OSNS : (M12). MTP1, MTP2, MTP3, MTP4, MTP5, MTP6, MTP7,
Model Line for this Datasheet
Text Version of Document
LTM4637
pin FuncTions V + OSNS : (J12)
(+) Input to the Remote Sense Amplifier.
DIFF_OUT: (K12)
Output of the Remote Sense Amplifier. This pin connects to the output remote sense point. The This pin connects to the VOUT_LCL pin for remote sense remote sense amplifier can be used for VOUT ≤ 3.3V. Con- applications. Otherwise float when not used. The remote nect to ground when not used. sense amplifier can be used for VOUT ≤ 3.3V.
V – OSNS : (M12)
(–) Input to the Remote Sense Amplifier.
MTP1, MTP2, MTP3, MTP4, MTP5, MTP6, MTP7,
This pin connects to the ground remote sense point. The
(A12, B11, C10, C11, C12, D11, D12):
Extra mounting remote sense amplifier can be used for VOUT ≤ 3.3V. Con- pads used for increased solder integrity strength. Leave nect to ground when not used. floating.
blocK DiagraM
PTC + OTP 499k ~135°C INTVCC – V + OUT_LCL VOUT 400mV 10k V 1M IN PGOOD > 1.4V = ON R1 < 1.1V = OFF MAX = 5V RUN VIN VIN 4.5V TO 20V + 1.5µF R2 5.1V CIN COMP TEMP 60.4k PNP M1 INTERNAL COMP 0.6µH V V OUT OUT SGND POWER 1V CONTROL 20A + VFB M2 10µF COUT fSET RFB GND 90.9k RfSET 50k INTERNAL LOOP 2.2Ω FILTER SGND C SOFT-START TRACK/SS INTVCC MODE_PLLIN + – VOSNS– DIFF 250k – AMP + VOSNS+ INTVCC 2.2µF C DIFF_OUT EXTVCC 4637 F01
Figure 1. Simplified LTM4637 Block Diagram
4637fc 8 For more information www.linear.com/LTM4637 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package PHOTO Typical Application Related Parts Design Resources
pin FuncTions V + OSNS : (J12)
(+) Input to the Remote Sense Amplifier.
DIFF_OUT: (K12)
Output of the Remote Sense Amplifier. This pin connects to the output remote sense point. The This pin connects to the VOUT_LCL pin for remote sense remote sense amplifier can be used for VOUT ≤ 3.3V. Con- applications. Otherwise float when not used. The remote nect to ground when not used. sense amplifier can be used for VOUT ≤ 3.3V.
V – OSNS : (M12)
(–) Input to the Remote Sense Amplifier.
MTP1, MTP2, MTP3, MTP4, MTP5, MTP6, MTP7,
This pin connects to the ground remote sense point. The
(A12, B11, C10, C11, C12, D11, D12):
Extra mounting remote sense amplifier can be used for VOUT ≤ 3.3V. Con- pads used for increased solder integrity strength. Leave nect to ground when not used. floating.
blocK DiagraM
PTC + OTP 499k ~135°C INTVCC – V + OUT_LCL VOUT 400mV 10k V 1M IN PGOOD > 1.4V = ON R1 < 1.1V = OFF MAX = 5V RUN VIN VIN 4.5V TO 20V + 1.5µF R2 5.1V CIN COMP TEMP 60.4k PNP M1 INTERNAL COMP 0.6µH V V OUT OUT SGND POWER 1V CONTROL 20A + VFB M2 10µF COUT fSET RFB GND 90.9k RfSET 50k INTERNAL LOOP 2.2Ω FILTER SGND C SOFT-START TRACK/SS INTVCC MODE_PLLIN + – VOSNS– DIFF 250k – AMP + VOSNS+ INTVCC 2.2µF C DIFF_OUT EXTVCC 4637 F01
Figure 1. Simplified LTM4637 Block Diagram
4637fc 8 For more information www.linear.com/LTM4637 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package PHOTO Typical Application Related Parts Design Resources
