Datasheet LTM4622A (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | Dual Ultrathin 2A or Single 4A Step-Down DC/DC μModule Regulator |
| 页数 / 页 | 30 / 8 — BLOCK DIAGRAM. Figure 1. Simplified LTM4622A Block Diagram. DECOUPLING … |
| 修订版 | B |
| 文件格式/大小 | PDF / 878 Kb |
| 文件语言 | 英语 |
BLOCK DIAGRAM. Figure 1. Simplified LTM4622A Block Diagram. DECOUPLING REQUIREMENTS. SYMBOL. PARAMETER. CONDITIONS. MIN. TYP. MAX. UNITS
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LTM4622A
BLOCK DIAGRAM
VOUT1 VOUT2 60.4k 60.4k FB1 PGOOD1 10k INTVCC 13.3k FB2 PGOOD2 10k INTVCC 8.25k INTVCC V 2.2µF IN1 VIN 8V TO 20V 0.22µF 10µF SYNC/MODE TRACK/SS1 2.2µH VOUT1 VOUT1 0.1µF 3.3V 2A TRACK/SS2 0.1µF 47µF GND 0.1µF RUN1 RUN2 VIN2 COMP1 0.22µF 10µF POWER CONTROL INTERNAL COMP 2.2µH VOUT2 VOUT2 5V 2A COMP2 0.1µF 47µF GND INTERNAL COMP FREQ 324k 4622A BD
Figure 1. Simplified LTM4622A Block Diagram DECOUPLING REQUIREMENTS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
CIN External Input Capacitor Requirement IOUT = 2A 4.7 10 µF (VIN = 3.6V to 20V, VOUT = 1.5V) COUT External Output Capacitor Requirement IOUT = 2A 22 47 µF (VIN = 3.6V to 20V, VOUT = 1.5V) Rev B 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 Package Photos Design Resources Related Parts
BLOCK DIAGRAM
VOUT1 VOUT2 60.4k 60.4k FB1 PGOOD1 10k INTVCC 13.3k FB2 PGOOD2 10k INTVCC 8.25k INTVCC V 2.2µF IN1 VIN 8V TO 20V 0.22µF 10µF SYNC/MODE TRACK/SS1 2.2µH VOUT1 VOUT1 0.1µF 3.3V 2A TRACK/SS2 0.1µF 47µF GND 0.1µF RUN1 RUN2 VIN2 COMP1 0.22µF 10µF POWER CONTROL INTERNAL COMP 2.2µH VOUT2 VOUT2 5V 2A COMP2 0.1µF 47µF GND INTERNAL COMP FREQ 324k 4622A BD
Figure 1. Simplified LTM4622A Block Diagram DECOUPLING REQUIREMENTS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
CIN External Input Capacitor Requirement IOUT = 2A 4.7 10 µF (VIN = 3.6V to 20V, VOUT = 1.5V) COUT External Output Capacitor Requirement IOUT = 2A 22 47 µF (VIN = 3.6V to 20V, VOUT = 1.5V) Rev B 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 Package Photos Design Resources Related Parts