Datasheet LTC3611 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | 10A, 32V Monolithic Synchronous Step-Down DC/DC Converter |
| Seiten / Seite | 26 / 7 — Input and Shutdown Currents. vs Input Voltage. INTVCC Load Regulation. … |
| Dateiformat / Größe | PDF / 426 Kb |
| Dokumentensprache | Englisch |
Input and Shutdown Currents. vs Input Voltage. INTVCC Load Regulation. IEXTVCC vs Frequency. EXTVCC Switch Resistance
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LTC3611 typicAl perForMAnce chArActeristics
Input and Shutdown Currents vs Input Voltage INTVCC Load Regulation IEXTVCC vs Frequency
1400 40 0.30 30 VIN= 24V V 1200 EXTVCC OPEN 35 OUT = 2.5V SHUTDOWN CURRENT (µA) 0.20 25 30 1000 0.10 20 25 800 (%) 0 (mA) SHUTDOWN 20 CC 15 600 VCC –0.10 15 ∆INTV I EXT 10 INPUT CURRENT (µA) 400 10 –0.20 EXTVCC = 5V 200 5 5 –0.30 0 0 –0.40 0 0 5 10 15 20 25 30 0 10 20 30 40 50 400 500 600 700 800 900 1000 INPUT VOLTAGE (V) INTV FREQUENCY (KHz) 3611 G20 CC LOAD CURRENT (mA) 3611 G21 3611 G28
EXTVCC Switch Resistance RUN/SS Pin Current vs Temperature FCB Pin Current vs Temperature vs Temperature
10 0 3 8 –0.25 2 –0.50 PULL-DOWN CURRENT 6 1 –0.75 4 0 SWITCH RESISTANCE (Ω) –1.00 CC FCB PIN CURRENT (µA) 2 RUN/SS PIN CURRENT (µA) –1 EXTV –1.25 PULL-UP CURRENT 0 –1.50 –2 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3611 G24 3611 G22 3611 G23
RUN/SS Pin Current Undervoltage Lockout Threshold vs Temperature vs Temperature
5.0 4.0 A) μ 4.5 3.5 LATCHOFF ENABLE 4.0 3.0 LATCHOFF THRESHOLD 3.5 2.5 RUN/SS PIN CURRENT ( UNDERVOLTAGE LOCKOUT THRESHOLD (V) 3.0 2.0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 3611 G25 3611 G26 3611fd Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
Input and Shutdown Currents vs Input Voltage INTVCC Load Regulation IEXTVCC vs Frequency
1400 40 0.30 30 VIN= 24V V 1200 EXTVCC OPEN 35 OUT = 2.5V SHUTDOWN CURRENT (µA) 0.20 25 30 1000 0.10 20 25 800 (%) 0 (mA) SHUTDOWN 20 CC 15 600 VCC –0.10 15 ∆INTV I EXT 10 INPUT CURRENT (µA) 400 10 –0.20 EXTVCC = 5V 200 5 5 –0.30 0 0 –0.40 0 0 5 10 15 20 25 30 0 10 20 30 40 50 400 500 600 700 800 900 1000 INPUT VOLTAGE (V) INTV FREQUENCY (KHz) 3611 G20 CC LOAD CURRENT (mA) 3611 G21 3611 G28
EXTVCC Switch Resistance RUN/SS Pin Current vs Temperature FCB Pin Current vs Temperature vs Temperature
10 0 3 8 –0.25 2 –0.50 PULL-DOWN CURRENT 6 1 –0.75 4 0 SWITCH RESISTANCE (Ω) –1.00 CC FCB PIN CURRENT (µA) 2 RUN/SS PIN CURRENT (µA) –1 EXTV –1.25 PULL-UP CURRENT 0 –1.50 –2 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3611 G24 3611 G22 3611 G23
RUN/SS Pin Current Undervoltage Lockout Threshold vs Temperature vs Temperature
5.0 4.0 A) μ 4.5 3.5 LATCHOFF ENABLE 4.0 3.0 LATCHOFF THRESHOLD 3.5 2.5 RUN/SS PIN CURRENT ( UNDERVOLTAGE LOCKOUT THRESHOLD (V) 3.0 2.0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) 3611 G25 3611 G26 3611fd Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration order information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts