Datasheet LTM4622 (Analog Devices) - 8
| Hersteller | Analog Devices |
| Beschreibung | Dual Ultrathin 2.5A or Single 5A Step-Down DC/DC μModule Regulator |
| Seiten / Seite | 28 / 8 — BLOCK DIAGRAM. Figure 1. Simplified LTM4622 Block Diagram. DECOUPLING … |
| Revision | H |
| Dateiformat / Größe | PDF / 1.8 Mb |
| Dokumentensprache | Englisch |
BLOCK DIAGRAM. Figure 1. Simplified LTM4622 Block Diagram. DECOUPLING REQUIREMENTS SYMBOL. PARAMETER. CONDITIONS. MIN. TYP. MAX. UNITS
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LTM4622
BLOCK DIAGRAM
VOUT1 VOUT2 60.4k 60.4k FB1 PGOOD1 10k INTVCC 60.4k FB2 PGOOD2 10k INTVCC 40.2k INTVCC V 2.2µF IN1 VIN 3.6V TO 20V 0.22µF 22µF SYNC/MODE TRACK/SS1 1µH VOUT1 VOUT1 0.1µF 1.2V 2.5A TRACK/SS2 1µF 47µF GND 0.1µF RUN1 RUN2 VIN2 COMP1 0.22µF 10µF POWER CONTROL INTERNAL COMP 1µH VOUT2 VOUT2 1.5V 2.5A COMP2 1µF 47µF GND INTERNAL COMP FREQ 324k 4622 BD
Figure 1. Simplified LTM4622 Block Diagram DECOUPLING REQUIREMENTS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
CIN External Input Capacitor Requirement IOUT = 2.5A 4.7 10 µF (VIN = 3.6V to 20V, VOUT = 1.5V) COUT External Output Capacitor Requirement IOUT = 2.5A 22 47 µF (VIN = 3.6V to 20V, VOUT = 1.5V) Rev. H 8 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Safety Considerations Layout Checklist/Example Package Description Revision History Package Photo Design Resources Related Parts
BLOCK DIAGRAM
VOUT1 VOUT2 60.4k 60.4k FB1 PGOOD1 10k INTVCC 60.4k FB2 PGOOD2 10k INTVCC 40.2k INTVCC V 2.2µF IN1 VIN 3.6V TO 20V 0.22µF 22µF SYNC/MODE TRACK/SS1 1µH VOUT1 VOUT1 0.1µF 1.2V 2.5A TRACK/SS2 1µF 47µF GND 0.1µF RUN1 RUN2 VIN2 COMP1 0.22µF 10µF POWER CONTROL INTERNAL COMP 1µH VOUT2 VOUT2 1.5V 2.5A COMP2 1µF 47µF GND INTERNAL COMP FREQ 324k 4622 BD
Figure 1. Simplified LTM4622 Block Diagram DECOUPLING REQUIREMENTS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
CIN External Input Capacitor Requirement IOUT = 2.5A 4.7 10 µF (VIN = 3.6V to 20V, VOUT = 1.5V) COUT External Output Capacitor Requirement IOUT = 2.5A 22 47 µF (VIN = 3.6V to 20V, VOUT = 1.5V) Rev. H 8 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Safety Considerations Layout Checklist/Example Package Description Revision History Package Photo Design Resources Related Parts