Datasheet LTM4614 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | Dual 4A per Channel Low VIN DC/DC µModule Regulator |
| 页数 / 页 | 20 / 4 — Typical perForMance characTerisTics. Efficiency vs Output Current. VIN = … |
| 文件格式/大小 | PDF / 380 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics. Efficiency vs Output Current. VIN = 2.5V. VIN = 3.3V. VIN = 5V. Minimum Input Voltage
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LTM4614
Typical perForMance characTerisTics Efficiency vs Output Current Efficiency vs Output Current Efficiency vs Output Current VIN = 2.5V VIN = 3.3V VIN = 5V
100 100 95 95 95 90 90 90 85 85 85 80 80 80 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) V 75 OUT = 3.3V 75 75 VOUT = 2.5V VOUT = 2.5V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V V V V 70 OUT = 1.5V OUT = 1.5V 70 OUT = 1.5V V 70 OUT = 1.2V VOUT = 1.2V VOUT = 1.2V VOUT = 0.8V VOUT = 0.8V VOUT = 0.8V 65 65 65 0 1 2 3 4 0 1 2 3 4 0 1 2 3 4 OUTPUT CURRENT (A) OUTPUT CURRENT (A) OUTPUT CURRENT (A) 4614 G01 4614 G02 4614 G03
Minimum Input Voltage at 4A Load Load Transient Response Load Transient Response
3.5 VOUT = 3.3V 3.0 VOUT = 2.5V VOUT = 1.8V VOUT = 1.5V 2.5 V I ILOAD OUT = 1.2V LOAD V 2A/DIV 2A/DIV OUT = 0.8V VOUT (V) 2.0 VOUT 20mV/DIV 20mV/DIV V OUT 1.5 1.0 VIN = 5V 20µs/DIV 4614 G06 VIN = 5V 20µs/DIV 4614 G05 V 0.5 OUT = 1.5V VOUT = 1.2V COUT = 100µF, 6.3V CERAMICS COUT = 100µF, 6.3V CERAMICS 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 VIN (V) 4614 G04
Load Transient Response Load Transient Response Load Transient Response
ILOAD ILOAD I 2A/DIV 2A/DIV LOAD 2A/DIV VOUT VOUT VOUT 20mV/DIV 20mV/DIV 20mV/DIV VIN = 5V 20µs/DIV 4614 G07 VIN = 5V 20µs/DIV 4614 G08 VIN = 5V 20µs/DIV 4614 G09 VOUT = 1.8V VOUT = 2.5V VOUT = 3.3V COUT = 100µF, 6.3V CERAMICS COUT = 100µF, 6.3V CERAMICS COUT = 100µF, 6.3V CERAMICS 4614fb 4 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Package Description Revision History Package Photograph Related Parts
Typical perForMance characTerisTics Efficiency vs Output Current Efficiency vs Output Current Efficiency vs Output Current VIN = 2.5V VIN = 3.3V VIN = 5V
100 100 95 95 95 90 90 90 85 85 85 80 80 80 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) V 75 OUT = 3.3V 75 75 VOUT = 2.5V VOUT = 2.5V VOUT = 1.8V VOUT = 1.8V VOUT = 1.8V V V V 70 OUT = 1.5V OUT = 1.5V 70 OUT = 1.5V V 70 OUT = 1.2V VOUT = 1.2V VOUT = 1.2V VOUT = 0.8V VOUT = 0.8V VOUT = 0.8V 65 65 65 0 1 2 3 4 0 1 2 3 4 0 1 2 3 4 OUTPUT CURRENT (A) OUTPUT CURRENT (A) OUTPUT CURRENT (A) 4614 G01 4614 G02 4614 G03
Minimum Input Voltage at 4A Load Load Transient Response Load Transient Response
3.5 VOUT = 3.3V 3.0 VOUT = 2.5V VOUT = 1.8V VOUT = 1.5V 2.5 V I ILOAD OUT = 1.2V LOAD V 2A/DIV 2A/DIV OUT = 0.8V VOUT (V) 2.0 VOUT 20mV/DIV 20mV/DIV V OUT 1.5 1.0 VIN = 5V 20µs/DIV 4614 G06 VIN = 5V 20µs/DIV 4614 G05 V 0.5 OUT = 1.5V VOUT = 1.2V COUT = 100µF, 6.3V CERAMICS COUT = 100µF, 6.3V CERAMICS 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 VIN (V) 4614 G04
Load Transient Response Load Transient Response Load Transient Response
ILOAD ILOAD I 2A/DIV 2A/DIV LOAD 2A/DIV VOUT VOUT VOUT 20mV/DIV 20mV/DIV 20mV/DIV VIN = 5V 20µs/DIV 4614 G07 VIN = 5V 20µs/DIV 4614 G08 VIN = 5V 20µs/DIV 4614 G09 VOUT = 1.8V VOUT = 2.5V VOUT = 3.3V COUT = 100µF, 6.3V CERAMICS COUT = 100µF, 6.3V CERAMICS COUT = 100µF, 6.3V CERAMICS 4614fb 4 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Simplified Block Diagram Decoupling Requirements Operation Applications Information Package Description Revision History Package Photograph Related Parts