Datasheet LTM8078 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | Dual 1.4A, Single 2.8A Step-Down Silent Switcher μModule Regulator |
| 页数 / 页 | 26 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, operating per … |
| 修订版 | A |
| 文件格式/大小 | PDF / 3.5 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, operating per Table 1,unless other. wise noted. Input vs Load Current
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文件文字版本
link to page 15 LTM8078
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, operating per Table 1,unless other wise noted. Input vs Load Current Input Current vs VIN Dropout Voltage vs Load Current VOUT V = 10V OUT = 10V VOUT V Short Circuited V OUT Short Circuited OUT = 5V, BIAS = 5V OUT
2.4 2000 1600 12VIN 24VIN 36VIN 1.8 1500 1200 TAGE (mV) 1.2 1000 800 INPUT CURRENT (A) 0.6 INPUT CURRENT (mA) 500 DROPOUT VOL 400 0 0 0 0 0.5 1 1.5 2 2.5 0 10 20 30 40 0 0.5 1 1.5 2 2.5 LOAD CURRENT (A) VIN (V) LOAD CURRENT (A) 8078 G37 8078 G38 8078 G39
BIAS Current vs Frequency Derating, VOUT = 0.8V Derating, VOUT = 1.0V, VIN = 12V, VOUT = 3.3V, BIAS = 5V BIAS = 5V, DC2777A Demo Board BIAS = 5V, DC2777A Demo Board Forced Continuous Mode Both Channels at Same Loadt Both Channels At Same Load Both Channels at Same Load Both Channels At Same Load
15 2.5 2.5 12 2.0 2.0 9 1.5 1.5 6 1.0 1.0 BIAS CURRENT (mA) 0LFM 3 0.5 0LFM 12V 0.5 IN 12VIN 24VIN 24VIN 36VIN 36VIN 0 MAXIMUM LOAD CURRENT PER CHANNEL (A) 0 MAXIMUM LOAD CURRENT PER CHANNEL (A) 0 0 1 2 3 0 25 50 75 100 125 0 25 50 75 100 125 SWITCHING FREQUENCY (MHz) AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) 8078 G40 8078 G41 8078 G42
Derating, VOUT = 1.2V Derating, VOUT = 1.5V Derating, VOUT = 1.8V, BIAS = 5V, DC2777A Demo Board BIAS = 5V, DC2777A Demo Board BIAS = 5V, DC2777A Demo Board Both Channels at Same Load Both Channels At Same Load Both Channels at Same Load Both Channels At Same Load Both Channels at Same Load Both Channels At Same Load
2.5 2.5 2.5 2.0 2.0 2.0 1.5 1.5 1.5 1.0 1.0 1.0 0LFM 0LFM 0LFM 0.5 12V 0.5 0.5 IN 12VIN 12VIN 24VIN 24VIN 24VIN 36VIN MAXIMUM LOAD CURRENT PER CHANNEL (A) 36VIN 36VIN 0 MAXIMUM LOAD CURRENT PER CHANNEL (A) 0 MAXIMUM LOAD CURRENT PER CHANNEL (A) 0 0 25 50 75 100 125 0 25 50 75 100 125 0 25 50 75 100 125 AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) 8078 G43 8078 G44 8078 G45 Rev. A 8 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 Operation Applications Information Typical Application Package Description Revision History Package Photograph Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, operating per Table 1,unless other wise noted. Input vs Load Current Input Current vs VIN Dropout Voltage vs Load Current VOUT V = 10V OUT = 10V VOUT V Short Circuited V OUT Short Circuited OUT = 5V, BIAS = 5V OUT
2.4 2000 1600 12VIN 24VIN 36VIN 1.8 1500 1200 TAGE (mV) 1.2 1000 800 INPUT CURRENT (A) 0.6 INPUT CURRENT (mA) 500 DROPOUT VOL 400 0 0 0 0 0.5 1 1.5 2 2.5 0 10 20 30 40 0 0.5 1 1.5 2 2.5 LOAD CURRENT (A) VIN (V) LOAD CURRENT (A) 8078 G37 8078 G38 8078 G39
BIAS Current vs Frequency Derating, VOUT = 0.8V Derating, VOUT = 1.0V, VIN = 12V, VOUT = 3.3V, BIAS = 5V BIAS = 5V, DC2777A Demo Board BIAS = 5V, DC2777A Demo Board Forced Continuous Mode Both Channels at Same Loadt Both Channels At Same Load Both Channels at Same Load Both Channels At Same Load
15 2.5 2.5 12 2.0 2.0 9 1.5 1.5 6 1.0 1.0 BIAS CURRENT (mA) 0LFM 3 0.5 0LFM 12V 0.5 IN 12VIN 24VIN 24VIN 36VIN 36VIN 0 MAXIMUM LOAD CURRENT PER CHANNEL (A) 0 MAXIMUM LOAD CURRENT PER CHANNEL (A) 0 0 1 2 3 0 25 50 75 100 125 0 25 50 75 100 125 SWITCHING FREQUENCY (MHz) AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) 8078 G40 8078 G41 8078 G42
Derating, VOUT = 1.2V Derating, VOUT = 1.5V Derating, VOUT = 1.8V, BIAS = 5V, DC2777A Demo Board BIAS = 5V, DC2777A Demo Board BIAS = 5V, DC2777A Demo Board Both Channels at Same Load Both Channels At Same Load Both Channels at Same Load Both Channels At Same Load Both Channels at Same Load Both Channels At Same Load
2.5 2.5 2.5 2.0 2.0 2.0 1.5 1.5 1.5 1.0 1.0 1.0 0LFM 0LFM 0LFM 0.5 12V 0.5 0.5 IN 12VIN 12VIN 24VIN 24VIN 24VIN 36VIN MAXIMUM LOAD CURRENT PER CHANNEL (A) 36VIN 36VIN 0 MAXIMUM LOAD CURRENT PER CHANNEL (A) 0 MAXIMUM LOAD CURRENT PER CHANNEL (A) 0 0 25 50 75 100 125 0 25 50 75 100 125 0 25 50 75 100 125 AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) 8078 G43 8078 G44 8078 G45 Rev. A 8 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 Operation Applications Information Typical Application Package Description Revision History Package Photograph Related Parts