Datasheet LTM4668A (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Quad DC/DC µModule Regulator with Configurable 1.2A Output Array |
| 页数 / 页 | 24 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Start-Up Waveform without. Start-Up … |
| 修订版 | A |
| 文件格式/大小 | PDF / 1.2 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Start-Up Waveform without. Start-Up Waveform with 1.2A. Output Short-Circuit Waveform
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LTM4668A
TYPICAL PERFORMANCE CHARACTERISTICS Start-Up Waveform without Start-Up Waveform with 1.2A Output Short-Circuit Waveform Load Current Load Current without Load Applied
INPUT INPUT INPUT CURRENT CURRENT CURRENT 0.2A/DIV 0.2A/DIV 0.5A/DIV RUN RUN 10V/DIV 10V/DIV VOUT 2V/DIV VOUT VOUT 2V/DIV 2V/DIV 4668a G10 4668a G11 4668a G12 500µs/DIV 500µs/DIV 20µs/DIV VIN = 12V, VOUT = 3.3V, fS = 2.25MHz VIN = 12V, VOUT = 3.3V, fS = 2.25MHz VIN = 12V, VOUT = 3.3V, fS = 2.25MHz COUT = 1× 47µF CERAMIC CAPACITOR COUT = 1× 47µF CERAMIC CAPACITOR COUT = 1× 47µF CERAMIC CAPACITOR CFF = 150pF CFF = 150pF CFF = 150pF
Output Short-Circuit Waveform Steady-State Output with 1.2A Load Current Applied Start-Up into Pre-Biased Output Voltage Ripple
INPUT INPUT CURRENT CURRENT 0.2A/DIV V 0.5A/DIV OUT 5mV/DIV RUN AC-COUPLED VOUT 10V/DIV 2V/DIV VOUT 2V/DIV 4668a G13 4668a G14 4668a G15 20µs/DIV 500µs/DIV 500ns/DIV VIN = 12V, VOUT = 3.3V, fS = 2.25MHz VIN = 12V, VOUT = 3.3V, fS = 2.25MHz, VIN = 12V, VOUT = 3.3V, fS = 2.25MHz COUT = 1× 47µF CERAMIC CAPACITOR OUTPUT PREBIASED TO 1.5V COUT = 1× 47µF CERAMIC CAPACITOR CFF = 150pF COUT = 1× 47µF CERAMIC CAPACITOR CFF = 150pF CFF = 150pF Rev. A 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Revision History Package Photo Design Resources Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Start-Up Waveform without Start-Up Waveform with 1.2A Output Short-Circuit Waveform Load Current Load Current without Load Applied
INPUT INPUT INPUT CURRENT CURRENT CURRENT 0.2A/DIV 0.2A/DIV 0.5A/DIV RUN RUN 10V/DIV 10V/DIV VOUT 2V/DIV VOUT VOUT 2V/DIV 2V/DIV 4668a G10 4668a G11 4668a G12 500µs/DIV 500µs/DIV 20µs/DIV VIN = 12V, VOUT = 3.3V, fS = 2.25MHz VIN = 12V, VOUT = 3.3V, fS = 2.25MHz VIN = 12V, VOUT = 3.3V, fS = 2.25MHz COUT = 1× 47µF CERAMIC CAPACITOR COUT = 1× 47µF CERAMIC CAPACITOR COUT = 1× 47µF CERAMIC CAPACITOR CFF = 150pF CFF = 150pF CFF = 150pF
Output Short-Circuit Waveform Steady-State Output with 1.2A Load Current Applied Start-Up into Pre-Biased Output Voltage Ripple
INPUT INPUT CURRENT CURRENT 0.2A/DIV V 0.5A/DIV OUT 5mV/DIV RUN AC-COUPLED VOUT 10V/DIV 2V/DIV VOUT 2V/DIV 4668a G13 4668a G14 4668a G15 20µs/DIV 500µs/DIV 500ns/DIV VIN = 12V, VOUT = 3.3V, fS = 2.25MHz VIN = 12V, VOUT = 3.3V, fS = 2.25MHz, VIN = 12V, VOUT = 3.3V, fS = 2.25MHz COUT = 1× 47µF CERAMIC CAPACITOR OUTPUT PREBIASED TO 1.5V COUT = 1× 47µF CERAMIC CAPACITOR CFF = 150pF COUT = 1× 47µF CERAMIC CAPACITOR CFF = 150pF CFF = 150pF Rev. A 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Revision History Package Photo Design Resources Related Parts