Datasheet LTC3610 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | 24V, 12A Monolithic Synchronous Step-Down DC/DC Converter |
| 页数 / 页 | 24 / 6 — Feedback Reference Voltage. Input and Shutdown Currents. vs Temperature. … |
| 文件格式/大小 | PDF / 402 Kb |
| 文件语言 | 英语 |
Feedback Reference Voltage. Input and Shutdown Currents. vs Temperature. Error Amplifier gm vs Temperature. vs Input Voltage
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LTC3610 typical perForMance characteristics
Feedback Reference Voltage Input and Shutdown Currents vs Temperature Error Amplifier gm vs Temperature vs Input Voltage
0.62 2.0 1400 40 1200 EXTVCC OPEN 35 1.8 SHUTDOWN CURRENT (µA) 0.61 30 1000 1.6 25 800 0.60 (mS) SHUTDOWN 20 g m 1.4 600 15 INPUT CURRENT (µA) 400 0.59 10 1.2 EXTVCC = 5V 200 FEEDBACK REFERENCE VOLTAGE (V) 5 0.58 1.0 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 5 10 15 20 25 30 TEMPERATURE (°C) TEMPERATURE (°C) INPUT VOLTAGE (V) 3610 G19 3610 G20 3610 G21
EXTVCC Switch Resistance INTVCC Load Regulation IEXTVCC vs Frequency vs Temperature
0.30 25 10 0.20 20 8 0.10 15 6 (%) 0 (mA) CC INTV –0.10 10 4 Δ I EXTVCC SWITCH RESISTANCE (Ω) –0.20 CC 5 2 –0.30 EXTV –0.40 0 0 0 10 20 30 40 50 400 500 600 700 800 900 1000 –50 –25 0 25 50 75 100 125 INTV FREQUENCY (kHz) TEMPERATURE (°C) CC LOAD CURRENT (mA) 3610 G22 3610 G23 3610 G24
RUN/SS Pin Current RUN/SS Pin Current Undervoltage Lockout Threshold vs Temperature vs Temperature vs Temperature
3 5.0 4.0 2 4.5 3.5 PULL-DOWN CURRENT LATCHOFF ENABLE 1 4.0 3.0 0 LATCHOFF THRESHOLD RUN/SS PIN CURRENT (µA) 2.5 –1 RUN/SS PIN CURRENT (µA) 3.5 PULL-UP CURRENT UNDERVOLTAGE LOCKOUT THRESHOLD (V) –2 3.0 2.0 –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) 3610 G25 3610 G26 3610 G27 3610ff 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
Feedback Reference Voltage Input and Shutdown Currents vs Temperature Error Amplifier gm vs Temperature vs Input Voltage
0.62 2.0 1400 40 1200 EXTVCC OPEN 35 1.8 SHUTDOWN CURRENT (µA) 0.61 30 1000 1.6 25 800 0.60 (mS) SHUTDOWN 20 g m 1.4 600 15 INPUT CURRENT (µA) 400 0.59 10 1.2 EXTVCC = 5V 200 FEEDBACK REFERENCE VOLTAGE (V) 5 0.58 1.0 0 0 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 0 5 10 15 20 25 30 TEMPERATURE (°C) TEMPERATURE (°C) INPUT VOLTAGE (V) 3610 G19 3610 G20 3610 G21
EXTVCC Switch Resistance INTVCC Load Regulation IEXTVCC vs Frequency vs Temperature
0.30 25 10 0.20 20 8 0.10 15 6 (%) 0 (mA) CC INTV –0.10 10 4 Δ I EXTVCC SWITCH RESISTANCE (Ω) –0.20 CC 5 2 –0.30 EXTV –0.40 0 0 0 10 20 30 40 50 400 500 600 700 800 900 1000 –50 –25 0 25 50 75 100 125 INTV FREQUENCY (kHz) TEMPERATURE (°C) CC LOAD CURRENT (mA) 3610 G22 3610 G23 3610 G24
RUN/SS Pin Current RUN/SS Pin Current Undervoltage Lockout Threshold vs Temperature vs Temperature vs Temperature
3 5.0 4.0 2 4.5 3.5 PULL-DOWN CURRENT LATCHOFF ENABLE 1 4.0 3.0 0 LATCHOFF THRESHOLD RUN/SS PIN CURRENT (µA) 2.5 –1 RUN/SS PIN CURRENT (µA) 3.5 PULL-UP CURRENT UNDERVOLTAGE LOCKOUT THRESHOLD (V) –2 3.0 2.0 –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) 3610 G25 3610 G26 3610 G27 3610ff 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