Datasheet LTM4622A (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | Dual Ultrathin 2A or Single 4A Step-Down DC/DC μModule Regulator |
| Páginas / Página | 30 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Start-Up with No Load. Start-Up with … |
| Revisión | B |
| Formato / tamaño de archivo | PDF / 878 Kb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. Start-Up with No Load. Start-Up with 2A Load. Short-Circuit with No Load. Current Applied
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LTM4622A
TYPICAL PERFORMANCE CHARACTERISTICS Start-Up with No Load Start-Up with 2A Load Short-Circuit with No Load Current Applied Current Applied Current Applied
V V OUT OUT 2V/DIV 2V/DIV VOUT 2V/DIV RUN RUN 10V/DIV 10V/DIV I I IN IN IIN 1A/DIV 0.5A/DIV 1A/DIV 10ms/DIV 4622A G10 10ms/DIV 4622A G11 20µs/DIV 4622A G12 V V IN = 12V, VOUT = 3.3V, fSW = 1MHz IN = 12V, VOUT = 3.3V, fSW = 1MHz VIN = 12V, VOUT = 3.3V, fSW = 1MHz OUTPUT CAPACITOR = 10µF CERAMIC OUTPUT CAPACITOR = 10µF CERAMIC OUTPUT CAPACITOR = 10µF CERAMIC + 47µF POSCAP + 47µF POSCAP + 47µF POSCAP SOFT-START CAP = 0.1µF SOFT-START CAP = 0.1µF
Short-Circuit with 2A Load Recover from Short-Circuit with Current Applied No Load Current Applied Steady-State Output Voltage Ripple
VOUT AC-COUPLED V 10mV/DIV OUT 2V/DIV VOUT 2V/DIV IIN IIN 1A/DIV 1A/DIV 20µs/DIV 4622A G13 20µs/DIV 4622A G14 20µs/DIV 4622A G15 VIN = 12V, VOUT = 3.3V, fSW = 1MHz VIN = 12V, VOUT = 3.3V, fSW = 1MHz VIN = 12V, VOUT = 3.3V, fSW = 1MHz OUTPUT CAPACITOR = 10µF + 47µF POSCAP OUTPUT CAPACITOR = 10µF + 47µF POSCAP OUTPUT CAPACITOR = 10µF + 47µF POSCAP Rev B 6 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
TYPICAL PERFORMANCE CHARACTERISTICS Start-Up with No Load Start-Up with 2A Load Short-Circuit with No Load Current Applied Current Applied Current Applied
V V OUT OUT 2V/DIV 2V/DIV VOUT 2V/DIV RUN RUN 10V/DIV 10V/DIV I I IN IN IIN 1A/DIV 0.5A/DIV 1A/DIV 10ms/DIV 4622A G10 10ms/DIV 4622A G11 20µs/DIV 4622A G12 V V IN = 12V, VOUT = 3.3V, fSW = 1MHz IN = 12V, VOUT = 3.3V, fSW = 1MHz VIN = 12V, VOUT = 3.3V, fSW = 1MHz OUTPUT CAPACITOR = 10µF CERAMIC OUTPUT CAPACITOR = 10µF CERAMIC OUTPUT CAPACITOR = 10µF CERAMIC + 47µF POSCAP + 47µF POSCAP + 47µF POSCAP SOFT-START CAP = 0.1µF SOFT-START CAP = 0.1µF
Short-Circuit with 2A Load Recover from Short-Circuit with Current Applied No Load Current Applied Steady-State Output Voltage Ripple
VOUT AC-COUPLED V 10mV/DIV OUT 2V/DIV VOUT 2V/DIV IIN IIN 1A/DIV 1A/DIV 20µs/DIV 4622A G13 20µs/DIV 4622A G14 20µs/DIV 4622A G15 VIN = 12V, VOUT = 3.3V, fSW = 1MHz VIN = 12V, VOUT = 3.3V, fSW = 1MHz VIN = 12V, VOUT = 3.3V, fSW = 1MHz OUTPUT CAPACITOR = 10µF + 47µF POSCAP OUTPUT CAPACITOR = 10µF + 47µF POSCAP OUTPUT CAPACITOR = 10µF + 47µF POSCAP Rev B 6 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