Datasheet LTM4625 (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | 20VIN, 5A Step-Down DC/DC μModule (Power Module) Regulator |
| Seiten / Seite | 26 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Short-Circuit with No Load. Start-Up … |
| Revision | D |
| Dateiformat / Größe | PDF / 1.6 Mb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. Short-Circuit with No Load. Start-Up with No Load Current. Start-Up with 5A Load Current
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LTM4625
TYPICAL PERFORMANCE CHARACTERISTICS Short-Circuit with No Load Start-Up with No Load Current Start-Up with 5A Load Current Applied
VOUT VOUT VOUT 0.5V/DIV 0.5V/DIV 0.5V/DIV IIN IIN IIN 2A/DIV 2A/DIV 500mA/DIV 5ms/DIV 4625 G09 4625 G10 5ms/DIV 4625 G11 20µs/DIV VIN = 12V VIN = 12V VIN = 12V VOUT = 1.5V VOUT = 1.5V VOUT = 1.5V INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC CAPACITOR + 22µF CERAMIC CAPACITOR CAPACITOR + 22µF CERAMIC CAPACITOR CAPACITOR + 22µF CERAMIC CAPACITOR OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR SOFT-START CAPACITOR = 0.1µF SOFT-START CAPACITOR = 0.1µF
Short-Circuit with 5A Load Recovery from Short-Circuit with Applied No Load Applied
VOUT V 0.5V/DIV OUT 0.5V/DIV I I IN IN 500mA/DIV 1A/DIV 50µs/DIV 4625 G12 4625 G13 20µs/DIV VIN = 12V VIN = 12V VOUT = 1.5V VOUT = 1.5V INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC CAPACITOR + 22µF CERAMIC CAPACITOR CAPACITOR + 22µF CERAMIC CAPACITOR OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR
Steady-State Output Voltage Ripple Start Into Pre-Biased Output
VOUT VIN 5mV/DIV 5V/DIV AC-COUPLED VOUT 0.5V/DIV 4625 G14 1µs/DIV 4625 G15 5ms/DIV VIN = 12V VIN = 12V VOUT = 1.5V VOUT = 1.5V WITH 0.75V PREBIASED VOLTAGE INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC CAPACITOR + 22µF CERAMIC CAPACITOR CAPACITOR + 22µF CERAMIC CAPACITOR OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR 20MHz BW Rev D For more information www.analog.com 5 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 Package Description Revision History Package Photo Design Resources Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Short-Circuit with No Load Start-Up with No Load Current Start-Up with 5A Load Current Applied
VOUT VOUT VOUT 0.5V/DIV 0.5V/DIV 0.5V/DIV IIN IIN IIN 2A/DIV 2A/DIV 500mA/DIV 5ms/DIV 4625 G09 4625 G10 5ms/DIV 4625 G11 20µs/DIV VIN = 12V VIN = 12V VIN = 12V VOUT = 1.5V VOUT = 1.5V VOUT = 1.5V INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC CAPACITOR + 22µF CERAMIC CAPACITOR CAPACITOR + 22µF CERAMIC CAPACITOR CAPACITOR + 22µF CERAMIC CAPACITOR OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR SOFT-START CAPACITOR = 0.1µF SOFT-START CAPACITOR = 0.1µF
Short-Circuit with 5A Load Recovery from Short-Circuit with Applied No Load Applied
VOUT V 0.5V/DIV OUT 0.5V/DIV I I IN IN 500mA/DIV 1A/DIV 50µs/DIV 4625 G12 4625 G13 20µs/DIV VIN = 12V VIN = 12V VOUT = 1.5V VOUT = 1.5V INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC CAPACITOR + 22µF CERAMIC CAPACITOR CAPACITOR + 22µF CERAMIC CAPACITOR OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR
Steady-State Output Voltage Ripple Start Into Pre-Biased Output
VOUT VIN 5mV/DIV 5V/DIV AC-COUPLED VOUT 0.5V/DIV 4625 G14 1µs/DIV 4625 G15 5ms/DIV VIN = 12V VIN = 12V VOUT = 1.5V VOUT = 1.5V WITH 0.75V PREBIASED VOLTAGE INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC INPUT CAPACITOR = 22µF SANYO ELECTROLYTIC CAPACITOR + 22µF CERAMIC CAPACITOR CAPACITOR + 22µF CERAMIC CAPACITOR OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR OUTPUT CAPACITOR = 47µF CERAMIC CAPACITOR 20MHz BW Rev D For more information www.analog.com 5 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 Package Description Revision History Package Photo Design Resources Related Parts