Datasheet LTM4626 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 20VIN, 12A Step-Down DC/DC µModule Regulator |
| 页数 / 页 | 28 / 4 — TYPICAL PERFORMANCE CHARACTERISTICS. Efficiency vs Load Current. from … |
| 修订版 | B |
| 文件格式/大小 | PDF / 1.9 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Efficiency vs Load Current. from 3.3VIN. from 5VIN. from 12VIN. 1V Output Transient Response
该数据表的模型线
文件文字版本
LTM4626
TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current from 3.3VIN from 5VIN from 12VIN
100 100 100 97 97 96 94 94 92 91 91 88 88 88 84 85 85 80 1V 82 82 76 OUT, 600kHz EFFICIENCY (%) EFFICIENCY (%) 1VOUT, 600kHz EFFICIENCY (%) 1.2VOUT, 800kHz 79 1VOUT, 600kHz 79 1.2VOUT, 600kHz 72 1.5VOUT, 800kHz 1.2V 1.5VOUT, 800kHz 1.8VOUT, 1000kHz 76 OUT, 600kHz 1.5V 76 68 OUT, 600kHz 1.8VOUT, 800kHz 2.5VOUT, 1500kHz 2.5V 3.3V 73 1.8VOUT, 600kHz 73 OUT, 1000kHz 64 OUT, 1500kHz 2.5VOUT, 600kHz 3.3VOUT, 800kHz 5VOUT, 2000kHz 70 70 60 0 2 4 6 8 10 12 0 2 4 6 8 10 12 0 2 4 6 8 10 12 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4626 G01 4626 G02 4626 G03
1V Output Transient Response 1.5V Output Transient Response
OUTPUT VOLTAGE OUTPUT VOLTAGE 50mV/DIV 50mV/DIV AC COUPLED AC COUPLED LOAD STEP CURRENT LOAD STEP CURRENT 2.5A/DIV 2.5A/DIV 4626 G04 4626 G05 100µs/DIV 100µs/DIV VIN = 12V, VOUT = 1.0V, fS = 600kHz VIN = 12V, VOUT = 1.5V, fS = 800kHz COUT = 3x 100µF + 1x 22µF CERAMIC CAPACITOR COUT = 3x 100µF + 1x 22µF CERAMIC CAPACITOR INTERNAL COMPENSATION, INTERNAL COMPENSATION, COMPa CONNECT TO COMPb, CFF = 33pF COMPa CONNECT TO COMPb, CFF = 33pF 9A ~ 12A (25%) LOAD STEP 9A ~ 12A (25%) LOAD STEP
2.5V Output Transient Response 3.3V Output Transient Response
OUTPUT VOLTAGE OUTPUT VOLTAGE 50mV/DIV 100mV/DIV AC COUPLED AC COUPLED LOAD STEP CURRENT LOAD STEP CURRENT 2.5A/DIV 2.5A/DIV 4626 G06 4626 G07 100µs/DIV 100µs/DIV VIN = 12V, VOUT = 2.5V, fS = 1000kHz VIN = 12V, VOUT = 3.3V, fS = 1000kHz COUT = 3x 100µF + 1x 22µF CERAMIC CAPACITOR COUT = 3x 100µF + 1x 22µF CERAMIC CAPACITOR INTERNAL COMPENSATION, INTERNAL COMPENSATION, COMPa CONNECT TO COMPb, CFF = 33pF COMPa CONNECT TO COMPb, CFF = 33pF 9A ~ 12A (25%) LOAD STEP 9A ~ 12A (25%) LOAD STEP Rev B 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Package Description Revision History Package Photo Design Resources Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current from 3.3VIN from 5VIN from 12VIN
100 100 100 97 97 96 94 94 92 91 91 88 88 88 84 85 85 80 1V 82 82 76 OUT, 600kHz EFFICIENCY (%) EFFICIENCY (%) 1VOUT, 600kHz EFFICIENCY (%) 1.2VOUT, 800kHz 79 1VOUT, 600kHz 79 1.2VOUT, 600kHz 72 1.5VOUT, 800kHz 1.2V 1.5VOUT, 800kHz 1.8VOUT, 1000kHz 76 OUT, 600kHz 1.5V 76 68 OUT, 600kHz 1.8VOUT, 800kHz 2.5VOUT, 1500kHz 2.5V 3.3V 73 1.8VOUT, 600kHz 73 OUT, 1000kHz 64 OUT, 1500kHz 2.5VOUT, 600kHz 3.3VOUT, 800kHz 5VOUT, 2000kHz 70 70 60 0 2 4 6 8 10 12 0 2 4 6 8 10 12 0 2 4 6 8 10 12 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) 4626 G01 4626 G02 4626 G03
1V Output Transient Response 1.5V Output Transient Response
OUTPUT VOLTAGE OUTPUT VOLTAGE 50mV/DIV 50mV/DIV AC COUPLED AC COUPLED LOAD STEP CURRENT LOAD STEP CURRENT 2.5A/DIV 2.5A/DIV 4626 G04 4626 G05 100µs/DIV 100µs/DIV VIN = 12V, VOUT = 1.0V, fS = 600kHz VIN = 12V, VOUT = 1.5V, fS = 800kHz COUT = 3x 100µF + 1x 22µF CERAMIC CAPACITOR COUT = 3x 100µF + 1x 22µF CERAMIC CAPACITOR INTERNAL COMPENSATION, INTERNAL COMPENSATION, COMPa CONNECT TO COMPb, CFF = 33pF COMPa CONNECT TO COMPb, CFF = 33pF 9A ~ 12A (25%) LOAD STEP 9A ~ 12A (25%) LOAD STEP
2.5V Output Transient Response 3.3V Output Transient Response
OUTPUT VOLTAGE OUTPUT VOLTAGE 50mV/DIV 100mV/DIV AC COUPLED AC COUPLED LOAD STEP CURRENT LOAD STEP CURRENT 2.5A/DIV 2.5A/DIV 4626 G06 4626 G07 100µs/DIV 100µs/DIV VIN = 12V, VOUT = 2.5V, fS = 1000kHz VIN = 12V, VOUT = 3.3V, fS = 1000kHz COUT = 3x 100µF + 1x 22µF CERAMIC CAPACITOR COUT = 3x 100µF + 1x 22µF CERAMIC CAPACITOR INTERNAL COMPENSATION, INTERNAL COMPENSATION, COMPa CONNECT TO COMPb, CFF = 33pF COMPa CONNECT TO COMPb, CFF = 33pF 9A ~ 12A (25%) LOAD STEP 9A ~ 12A (25%) LOAD STEP Rev B 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Package Description Revision History Package Photo Design Resources Related Parts