Datasheet LTC3775 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | High Frequency Synchronous Step-Down Voltage Mode DC/DC Controller |
| 页数 / 页 | 34 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. Shutdown Current vs Temperature. … |
| 文件格式/大小 | PDF / 553 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Shutdown Current vs Temperature. Quiescent Current vs INTVCC. INTVCC Load Regulation
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LTC3775
TYPICAL PERFORMANCE CHARACTERISTICS Shutdown Current vs Temperature Quiescent Current vs INTVCC INTVCC Load Regulation
20 8 0 VIN = 12V 18 –0.1 7 16 –0.2 6 14 –0.3 5 12 –0.4 (%) 10 4 CC –0.5 8 INTV 3 $ –0.6 6 –0.7 2 SHUTDOWN CURRENT (μA) 4 QUIESCENT CURRENT (mA) –0.8 2 1 –0.9 0 0 –1.0 –50 –25 0 25 50 75 100 125 3.6 4.0 4.4 4.8 5.2 5.6 6.0 0 10 20 30 40 50 TEMPERATURE (°C) INTVCC (V) INTVCC LOAD CURRENT (mA) 3775 G18 3775 G19 3775 G20
INTVCC Dropout INTVCC Dropout vs Temperature
0 0 TA = 25°C LOAD CURRENT = 20mA –0.2 –0.2 TAGE (V) –0.4 –0.4 –0.6 –0.6 DROPOUT VOL DROPOUT VOLTAGE (V) CCV CC INT –0.8 INTV –0.8 –1.0 –1.0 0 10 20 30 40 50 –50 –25 0 25 50 75 100 125 INTVCC LOAD CURRENT (mA) TEMPERATURE (°C) 3775 G21 3775 G22
BG Turn-On Waveform Driving BG Turn-Off Waveform Driving Renesas RJK0301 Renesas RJK0301
BG BG 1V/DIV 1V/DIV 0V 0V 20ns/DIV 3775 G23 VIN = 12V 20ns/DIV 3775 G24 VIN = 12V VOUT = 1.2V VOUT = 1.2V LOAD = 1A LOAD = 1A MOSFET: RENESAS RJK0301 MOSFET: RENESAS RJK0301 3775fa 7 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS
TYPICAL PERFORMANCE CHARACTERISTICS Shutdown Current vs Temperature Quiescent Current vs INTVCC INTVCC Load Regulation
20 8 0 VIN = 12V 18 –0.1 7 16 –0.2 6 14 –0.3 5 12 –0.4 (%) 10 4 CC –0.5 8 INTV 3 $ –0.6 6 –0.7 2 SHUTDOWN CURRENT (μA) 4 QUIESCENT CURRENT (mA) –0.8 2 1 –0.9 0 0 –1.0 –50 –25 0 25 50 75 100 125 3.6 4.0 4.4 4.8 5.2 5.6 6.0 0 10 20 30 40 50 TEMPERATURE (°C) INTVCC (V) INTVCC LOAD CURRENT (mA) 3775 G18 3775 G19 3775 G20
INTVCC Dropout INTVCC Dropout vs Temperature
0 0 TA = 25°C LOAD CURRENT = 20mA –0.2 –0.2 TAGE (V) –0.4 –0.4 –0.6 –0.6 DROPOUT VOL DROPOUT VOLTAGE (V) CCV CC INT –0.8 INTV –0.8 –1.0 –1.0 0 10 20 30 40 50 –50 –25 0 25 50 75 100 125 INTVCC LOAD CURRENT (mA) TEMPERATURE (°C) 3775 G21 3775 G22
BG Turn-On Waveform Driving BG Turn-Off Waveform Driving Renesas RJK0301 Renesas RJK0301
BG BG 1V/DIV 1V/DIV 0V 0V 20ns/DIV 3775 G23 VIN = 12V 20ns/DIV 3775 G24 VIN = 12V VOUT = 1.2V VOUT = 1.2V LOAD = 1A LOAD = 1A MOSFET: RENESAS RJK0301 MOSFET: RENESAS RJK0301 3775fa 7 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS PIN FUNCTIONS BLOCK DIAGRAM APPLICATIONS INFORMATION TYPICAL APPLICATIONS PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS