Datasheet LTM4632 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Ultrathin, Triple Output, Step-Down μModule Regulator for DDR-QDR4 Memory |
| 页数 / 页 | 28 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. Start-Up with 3A Load Current. … |
| 修订版 | D |
| 文件格式/大小 | PDF / 2.5 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Start-Up with 3A Load Current. Short-Circuit with No Load. Short-Circuit with 3A Load
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LTM4632
TYPICAL PERFORMANCE CHARACTERISTICS Start-Up with 3A Load Current Short-Circuit with No Load Short-Circuit with 3A Load Applied Current Applied Current Applied
SW SW SW 10V/DIV 10V/DIV 10V/DIV VOUT VOUT VOUT 1V/DIV 1V/DIV 1V/DIV IIN 0.5A/DIV IIN IIN 2A/DIV 2A/DIV 4632 G10 20ms/DIV 4632 G11 20µs/DIV 4632 G12 20µs/DIV VIN = 12V VIN = 12V VIN = 12V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V fS = 1MHz fS = 1MHz fS = 1MHz IOUT = 3A IOUT = 0A IOUT = 3A INPUT CAPACITOR = 1 × 22µF CERAMIC INPUT CAPACITOR = 1 × 22µF CERAMIC INPUT CAPACITOR = 1 × 22µF CERAMIC OUTPUT CAPACITOR = 1 × 47µF CERAMIC OUTPUT CAPACITOR = 1 × 47µF CERAMIC OUTPUT CAPACITOR = 1 × 47µF CERAMIC SOFT-START CAPACITOR = 0.1µF
Recover from Short-Circuit with Steady-State Output Voltage No Load Current Applied Ripple Start-Up Into Pre-Biased Output
SW VOUT SW 10V/DIV AC-COUPLED 5V/DIV 50mV/DIV V V OUT OUT 1V/DIV 1V/DIV SW I RUN IN 5V/DIV 2A/DIV 10V/DIV 4632 G13 20µs/DIV 4632 G14 1µs/DIV 4632 G15 50ms/DIV VIN = 12V VIN = 12V VIN = 12V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V fS = 1MHz fS = 1MHz fS = 1MHz IOUT = 0A IOUT = 0A IOUT = 0A INPUT CAPACITOR = 1 × 22µF CERAMIC INPUT CAPACITOR = 1 × 22µF CERAMIC INPUT CAPACITOR = 1 × 22µF CERAMIC OUTPUT CAPACITOR = 1 × 47µF CERAMIC OUTPUT CAPACITOR = 1 × 47µF CERAMIC OUTPUT CAPACITOR = 1 × 47µF CERAMIC Rev. D 6 For more information www.analog.com 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 Start-Up with 3A Load Current Short-Circuit with No Load Short-Circuit with 3A Load Applied Current Applied Current Applied
SW SW SW 10V/DIV 10V/DIV 10V/DIV VOUT VOUT VOUT 1V/DIV 1V/DIV 1V/DIV IIN 0.5A/DIV IIN IIN 2A/DIV 2A/DIV 4632 G10 20ms/DIV 4632 G11 20µs/DIV 4632 G12 20µs/DIV VIN = 12V VIN = 12V VIN = 12V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V fS = 1MHz fS = 1MHz fS = 1MHz IOUT = 3A IOUT = 0A IOUT = 3A INPUT CAPACITOR = 1 × 22µF CERAMIC INPUT CAPACITOR = 1 × 22µF CERAMIC INPUT CAPACITOR = 1 × 22µF CERAMIC OUTPUT CAPACITOR = 1 × 47µF CERAMIC OUTPUT CAPACITOR = 1 × 47µF CERAMIC OUTPUT CAPACITOR = 1 × 47µF CERAMIC SOFT-START CAPACITOR = 0.1µF
Recover from Short-Circuit with Steady-State Output Voltage No Load Current Applied Ripple Start-Up Into Pre-Biased Output
SW VOUT SW 10V/DIV AC-COUPLED 5V/DIV 50mV/DIV V V OUT OUT 1V/DIV 1V/DIV SW I RUN IN 5V/DIV 2A/DIV 10V/DIV 4632 G13 20µs/DIV 4632 G14 1µs/DIV 4632 G15 50ms/DIV VIN = 12V VIN = 12V VIN = 12V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V fS = 1MHz fS = 1MHz fS = 1MHz IOUT = 0A IOUT = 0A IOUT = 0A INPUT CAPACITOR = 1 × 22µF CERAMIC INPUT CAPACITOR = 1 × 22µF CERAMIC INPUT CAPACITOR = 1 × 22µF CERAMIC OUTPUT CAPACITOR = 1 × 47µF CERAMIC OUTPUT CAPACITOR = 1 × 47µF CERAMIC OUTPUT CAPACITOR = 1 × 47µF CERAMIC Rev. D 6 For more information www.analog.com 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