Datasheet LTC3527, LTC3527-1 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | Dual 800mA/400mA, 1.2MHz/2.2MHz Synchronous Step-Up DC/DC Converters |
| 页数 / 页 | 22 / 4 — TYPICAL PERFORMANCE CHARACTERISTICS (TA = 25°C, unless otherwise noted). … |
| 文件格式/大小 | PDF / 373 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS (TA = 25°C, unless otherwise noted). Effi ciency vs Load Current and VIN
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LTC3527/LTC3527-1
TYPICAL PERFORMANCE CHARACTERISTICS (TA = 25°C, unless otherwise noted) Effi ciency vs Load Current and VIN Effi ciency vs Load Current and VIN Effi ciency vs Load Current and VIN for VOUT1 = 1.8V at 1.2MHz for VOUT2 = 1.8V at 1.2MHz for VOUT1 = 3.3V at 1.2MHz
100 100 100 1.2V 2.4V 3V 1.5V 1.2V 1.5V 3V 90 BURST 1.2V 90 90 BURST BURST 1.2V 1.8V 80 1V 80 2.4V 1V 80 1V 1.5V 70 1.5V 70 70 1V 1.8V FIXED 60 FIXED 60 60 FIXED 50 50 50 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 40 40 40 30 30 30 20 20 20 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 LOAD CURRENT (mA) LOAD CURRENT (mA) LOAD CURRENT (mA) 35271 G01 35271 G02 35271 G03
Effi ciency vs Load Current and VIN Effi ciency vs Load Current and VIN Effi ciency vs Load Current and VIN for VOUT1 = 3.3V at 2.2MHz for VOUT2 = 3.3V at 1.2MHz for VOUT2 = 3.3V at 2.2MHz
100 100 100 2.4V 3V 2.4V 3V 2.4V 3V 3V 3V 3V 90 BURST 90 BURST 90 BURST 1.8V 1.8V 80 1.8V 2.4V 80 2.4V 80 1.8V 1.8V 2.4V 70 70 70 1.8V 60 60 60 FIXED FIXED FIXED 50 50 50 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 40 40 40 30 30 30 20 20 20 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 LOAD CURRENT (mA) LOAD CURRENT (mA) LOAD CURRENT (mA) 35271 G04 35271 G05 35271 G06
Effi ciency vs Load Current and VIN Effi ciency vs Load Current and VIN for VOUT1 = 5V at 1.2MHz for VOUT2 = 5V at 1.2MHz
100 100 4.2V 4.2V 3.6V 4.2V 4.2V 3.6V 90 90 BURST 3.6V 3.6V BURST 80 80 2.4V 2.4V 2.4V 2.4V 70 70 60 60 50 50 EFFICIENCY (%) EFFICIENCY (%) 40 40 FIXED FIXED 30 30 20 20 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 LOAD CURRENT (mA) LOAD CURRENT (mA) 35271 G07 35271 G08 35271fc 4
TYPICAL PERFORMANCE CHARACTERISTICS (TA = 25°C, unless otherwise noted) Effi ciency vs Load Current and VIN Effi ciency vs Load Current and VIN Effi ciency vs Load Current and VIN for VOUT1 = 1.8V at 1.2MHz for VOUT2 = 1.8V at 1.2MHz for VOUT1 = 3.3V at 1.2MHz
100 100 100 1.2V 2.4V 3V 1.5V 1.2V 1.5V 3V 90 BURST 1.2V 90 90 BURST BURST 1.2V 1.8V 80 1V 80 2.4V 1V 80 1V 1.5V 70 1.5V 70 70 1V 1.8V FIXED 60 FIXED 60 60 FIXED 50 50 50 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 40 40 40 30 30 30 20 20 20 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 LOAD CURRENT (mA) LOAD CURRENT (mA) LOAD CURRENT (mA) 35271 G01 35271 G02 35271 G03
Effi ciency vs Load Current and VIN Effi ciency vs Load Current and VIN Effi ciency vs Load Current and VIN for VOUT1 = 3.3V at 2.2MHz for VOUT2 = 3.3V at 1.2MHz for VOUT2 = 3.3V at 2.2MHz
100 100 100 2.4V 3V 2.4V 3V 2.4V 3V 3V 3V 3V 90 BURST 90 BURST 90 BURST 1.8V 1.8V 80 1.8V 2.4V 80 2.4V 80 1.8V 1.8V 2.4V 70 70 70 1.8V 60 60 60 FIXED FIXED FIXED 50 50 50 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 40 40 40 30 30 30 20 20 20 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 LOAD CURRENT (mA) LOAD CURRENT (mA) LOAD CURRENT (mA) 35271 G04 35271 G05 35271 G06
Effi ciency vs Load Current and VIN Effi ciency vs Load Current and VIN for VOUT1 = 5V at 1.2MHz for VOUT2 = 5V at 1.2MHz
100 100 4.2V 4.2V 3.6V 4.2V 4.2V 3.6V 90 90 BURST 3.6V 3.6V BURST 80 80 2.4V 2.4V 2.4V 2.4V 70 70 60 60 50 50 EFFICIENCY (%) EFFICIENCY (%) 40 40 FIXED FIXED 30 30 20 20 0.01 0.1 1 10 100 1000 0.01 0.1 1 10 100 1000 LOAD CURRENT (mA) LOAD CURRENT (mA) 35271 G07 35271 G08 35271fc 4