Datasheet LTC3372 (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | 60V Low IQ Buck Controller Plus 4-Channel 8A Configurable Buck DC/DCs |
| 页数 / 页 | 44 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS. (HV Controller) TA = 25°C, unless … |
| 修订版 | A |
| 文件格式/大小 | PDF / 5.7 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. (HV Controller) TA = 25°C, unless otherwise noted. Output Voltage Line Regulation
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LTC3372
TYPICAL PERFORMANCE CHARACTERISTICS (HV Controller) TA = 25°C, unless otherwise noted. Output Voltage Line Regulation Maximum Current Sense Forced Continuous Mode Threshold vs Duty Cycle
3.318 5.010 80 78 3.316 5.009 76 VOUT = 5V OUTPUT VOL TAGE (mV) 3.314 5.008 74 72 TAGE (V) 3.312 5.007 T 70 AGE (V) 68 3.310 VOUT = 3.3V 5.006 OUTPUT VOL 66 3.308 5.005 64 62 MAXIMUM CURRENT SENSE VOL 3.306 5.004 60 5 10 15 20 25 30 35 40 45 50 55 60 0 10 20 30 40 50 60 70 80 90 100 INPUT VOLTAGE (V) DUTY CYCLE (%) 3372 G09 3372 G10
Maximum Current Sense Voltage INTVCC Voltage vs Gate Charge vs ITH Voltage SENSE– Pin Input Bias Current Current VOUT = 3.3V
80 900 5.25 FORCED CONTINUOUS MODE V 800 V IN = 12V IN = 12V 60 PULSE–SKIPPING MODE VOUT = 5V V 700 5.00 IN = 6V TAGE (mV) Burst Mode 600 40 4.75 OPERATION 500 TAGE (V) 20 400 4.50 VOL – CURRENT (µA) 300 V V CC IN = 4.5V 0 200 4.25 SENSE INT 100 –20 4.00 FORCED CONTINUOUS MODE 0 MAXIMUM CURRENT SENSE VOL –40 –100 3.75 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 3 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7 6.0 0 5 10 15 20 25 30 VITH (V) SENSE– VOLTAGE (V) GATE CHARGE CURRENT (mA) 3372 G11 3372 G12 3372 G13
INTVCC Voltage vs Gate Charge INTVCC Line Regulation in Current VOUT = 5V Dropout Current Limit in Foldback
5.25 5.50 80 5.20 70 5.15 5.25 TAGE (mV) 5.10 5.00 60 5.05 TAGE (V) TAGE (V) 5.00 4.75 50 VOL VOL 4.95 V CC V CC INT 40 4.90 4.50 INT 4.85 4.25 30 4.80 VOUT = 3.3V GATE CHARGE CURRENT = 10mA MAXIMUM CURRENT SENSE VOL 4.75 4.00 20 0 5 10 15 20 25 30 4.50 4.75 5.00 5.25 5.50 5.75 6.00 6.25 6.50 0 10 20 30 40 50 60 70 80 90 100 GATE CHARGE CURRENT (mA) INPUT VOLTAGE (V) VOUT TO REGULATED VOLTAGE RATIO (%) 3372 G14 3372 G15 3372 G16 Rev. A For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Low Voltage Regulators Applications Information High Voltage Buck Controller Low Voltage Buck Regulators Printed Circuit Board PCB Layout Considerations Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS (HV Controller) TA = 25°C, unless otherwise noted. Output Voltage Line Regulation Maximum Current Sense Forced Continuous Mode Threshold vs Duty Cycle
3.318 5.010 80 78 3.316 5.009 76 VOUT = 5V OUTPUT VOL TAGE (mV) 3.314 5.008 74 72 TAGE (V) 3.312 5.007 T 70 AGE (V) 68 3.310 VOUT = 3.3V 5.006 OUTPUT VOL 66 3.308 5.005 64 62 MAXIMUM CURRENT SENSE VOL 3.306 5.004 60 5 10 15 20 25 30 35 40 45 50 55 60 0 10 20 30 40 50 60 70 80 90 100 INPUT VOLTAGE (V) DUTY CYCLE (%) 3372 G09 3372 G10
Maximum Current Sense Voltage INTVCC Voltage vs Gate Charge vs ITH Voltage SENSE– Pin Input Bias Current Current VOUT = 3.3V
80 900 5.25 FORCED CONTINUOUS MODE V 800 V IN = 12V IN = 12V 60 PULSE–SKIPPING MODE VOUT = 5V V 700 5.00 IN = 6V TAGE (mV) Burst Mode 600 40 4.75 OPERATION 500 TAGE (V) 20 400 4.50 VOL – CURRENT (µA) 300 V V CC IN = 4.5V 0 200 4.25 SENSE INT 100 –20 4.00 FORCED CONTINUOUS MODE 0 MAXIMUM CURRENT SENSE VOL –40 –100 3.75 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 3 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7 6.0 0 5 10 15 20 25 30 VITH (V) SENSE– VOLTAGE (V) GATE CHARGE CURRENT (mA) 3372 G11 3372 G12 3372 G13
INTVCC Voltage vs Gate Charge INTVCC Line Regulation in Current VOUT = 5V Dropout Current Limit in Foldback
5.25 5.50 80 5.20 70 5.15 5.25 TAGE (mV) 5.10 5.00 60 5.05 TAGE (V) TAGE (V) 5.00 4.75 50 VOL VOL 4.95 V CC V CC INT 40 4.90 4.50 INT 4.85 4.25 30 4.80 VOUT = 3.3V GATE CHARGE CURRENT = 10mA MAXIMUM CURRENT SENSE VOL 4.75 4.00 20 0 5 10 15 20 25 30 4.50 4.75 5.00 5.25 5.50 5.75 6.00 6.25 6.50 0 10 20 30 40 50 60 70 80 90 100 GATE CHARGE CURRENT (mA) INPUT VOLTAGE (V) VOUT TO REGULATED VOLTAGE RATIO (%) 3372 G14 3372 G15 3372 G16 Rev. A For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Low Voltage Regulators Applications Information High Voltage Buck Controller Low Voltage Buck Regulators Printed Circuit Board PCB Layout Considerations Typical Applications Package Description Revision History Typical Application Related Parts