Datasheet LT3695 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 1A Fault Tolerant Micropower Step-Down Regulator |
| 页数 / 页 | 30 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 文件格式/大小 | PDF / 508 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switch Current Limit. (SYNC Pin Grounded)
该数据表的模型线
- LT3695EMSE#PBF LT3695EMSE#TRPBF LT3695EMSE-3.3#PBF LT3695EMSE-3.3#TRPBF LT3695EMSE-5#PBF LT3695EMSE-5#TRPBF LT3695HMSE#PBF LT3695HMSE#TRPBF LT3695HMSE-3.3#PBF LT3695HMSE-3.3#TRPBF LT3695HMSE-5#PBF LT3695HMSE-5#TRPBF LT3695IMSE#PBF LT3695IMSE#TRPBF LT3695IMSE-3.3#PBF LT3695IMSE-3.3#TRPBF LT3695IMSE-5#PBF LT3695IMSE-5#TRPBF
文件文字版本
LT3695 Series
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switch Current Limit Switch Current Limit (SYNC Pin Grounded) Switch Voltage Drop
1.9 1.9 400 DC = 10% 1.7 1.7 SYNC < 0.3V 300 1.5 1.5 DC = 90% 1.3 1.3 SYNC > 0.8V 200 1.1 OR CLOCKED 1.1 TAGE DROP (mV) 0.9 0.9 VOL 100 SWITCH CURRENT LIMIT (A) SWITCH CURRENT LIMIT (A) 0.7 0.7 0.5 0.5 0 0 20 40 60 80 100 –50 –25 0 25 50 75 100 125 150 0 0.25 0.50 0.75 1.00 1.25 DUTY CYCLE (%) TEMPERATURE (°C) SWITCH CURRENT (A) 3695 G10 3695 G11 3695 G12
Output Voltage: BOOST Pin Current Feedback Voltage LT3695-3.3, LT3695-5
35 810 3.35 5.15 30 LT3695-3.3 3.30 5.10 800 OUTPUT 25 20 3.25 5.05 TAGE (mV) LTAGE (V) V O 790 O V LT LT3695-5 15 AGE (V) 3.20 5.00 10 OUTPUT BOOST PIN CURRENT (mA) FEEDBACK VOL 780 3.15 4.95 5 0 770 3.10 4.90 0 0.25 0.50 0.75 1.00 1.25 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 SWITCH CURRENT (A) TEMPERATURE (°C) TEMPERATURE (°C) 3695 G15 3695 G13 3695 G14
Switching Frequency Frequency Foldback: LT3695 Frequency Foldback: LT3695-3.3
1.20 1200 1200 RT = 29.4k R R RT = 29.4k RT = 29.4k 1.15 1000 1000 1.10 800 800 1.05 1.00 600 600 0.95 FREQUENCY (kHz) 400 FREQUENCY (MHz) FREQUENCY (kHz) 400 0.90 200 200 0.85 0.80 0 0 –50 –25 0 25 50 75 100 125 150 0 100 200 300 400 500 600 700 800 900 0 0.5 1 1.5 2 2.5 3 3.5 TEMPERATURE (°C) FB PIN VOLTAGE (mV) OUTPUT VOLTAGE (V) 3695 G16 3695 G17 3695 G18 3695fa 6
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Switch Current Limit Switch Current Limit (SYNC Pin Grounded) Switch Voltage Drop
1.9 1.9 400 DC = 10% 1.7 1.7 SYNC < 0.3V 300 1.5 1.5 DC = 90% 1.3 1.3 SYNC > 0.8V 200 1.1 OR CLOCKED 1.1 TAGE DROP (mV) 0.9 0.9 VOL 100 SWITCH CURRENT LIMIT (A) SWITCH CURRENT LIMIT (A) 0.7 0.7 0.5 0.5 0 0 20 40 60 80 100 –50 –25 0 25 50 75 100 125 150 0 0.25 0.50 0.75 1.00 1.25 DUTY CYCLE (%) TEMPERATURE (°C) SWITCH CURRENT (A) 3695 G10 3695 G11 3695 G12
Output Voltage: BOOST Pin Current Feedback Voltage LT3695-3.3, LT3695-5
35 810 3.35 5.15 30 LT3695-3.3 3.30 5.10 800 OUTPUT 25 20 3.25 5.05 TAGE (mV) LTAGE (V) V O 790 O V LT LT3695-5 15 AGE (V) 3.20 5.00 10 OUTPUT BOOST PIN CURRENT (mA) FEEDBACK VOL 780 3.15 4.95 5 0 770 3.10 4.90 0 0.25 0.50 0.75 1.00 1.25 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 SWITCH CURRENT (A) TEMPERATURE (°C) TEMPERATURE (°C) 3695 G15 3695 G13 3695 G14
Switching Frequency Frequency Foldback: LT3695 Frequency Foldback: LT3695-3.3
1.20 1200 1200 RT = 29.4k R R RT = 29.4k RT = 29.4k 1.15 1000 1000 1.10 800 800 1.05 1.00 600 600 0.95 FREQUENCY (kHz) 400 FREQUENCY (MHz) FREQUENCY (kHz) 400 0.90 200 200 0.85 0.80 0 0 –50 –25 0 25 50 75 100 125 150 0 100 200 300 400 500 600 700 800 900 0 0.5 1 1.5 2 2.5 3 3.5 TEMPERATURE (°C) FB PIN VOLTAGE (mV) OUTPUT VOLTAGE (V) 3695 G16 3695 G17 3695 G18 3695fa 6