Datasheet LTC7130 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 20V 20A Monolithic Buck Converter with Ultralow DCR Sensing |
| 页数 / 页 | 36 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| 文件格式/大小 | PDF / 1.5 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Oscillator Frequency. Undervoltage Lockout Threshold
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LTC7130
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Oscillator Frequency Undervoltage Lockout Threshold Shutdown Current vs Input Voltage (INTVCC) vs Temperature vs Input Voltage
900 4.5 100 VFREQ = 2.5V RISE 800 4.3 90 700 4.1 80 3.9 70 600 FALL VFREQ = 1.2V 3.7 60 500 3.5 50 400 3.3 40 FREQUENCY (kHz) 300 VFREQ = 0V UVLO THRESHOLD (V) 3.1 30 200 2.9 SHUTDOWN CURRENT (µA) 20 100 2.7 10 0 2.5 0 0 5 10 15 20 –50 –25 0 25 50 75 100 125 0 5 10 15 20 INPUT VOLTAGE (V) TEMPERATURE (°C) INPUT VOLTAGE (V) 7130 G19 7130 G20 7130 G21
Input Quiescent Current Quiescent Current vs Shutdown Current vs Temperature vs Input Voltage without EXTVCC Temperature without EXTVCC
50 4.00 4.0 45 3.8 3.75 40 3.6 3.50 35 3.4 30 3.25 3.2 25 3.0 3.00 SHUTDOWN CURRENT (µA) 20 QUIESCENT CURRENT (mA) QUIESCENT CURRENT (mA) 2.8 2.75 15 2.6 10 2.50 2.4 –50 –25 0 25 50 75 100 125 0 5 10 15 20 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) INPUT VOLTAGE (V) TEMPERATURE (°C) 7130 G22 7130 G23 7130 G24
Thermal Derating VIN = 5V Thermal Derating VIN = 5V Thermal Derating VIN = 12V Thermal Derating VIN = 12V Thermal Derating VIN = 20V Thermal Derating VIN = 20V
25 25 NO HEAT SINK 25 0LFM NO HEAT SINK 0LFM NO HEAT SINK 0LFM 200LFM 200LFM 200LFM 400LFM 20 400LFM 20 400LFM 20 15 15 15 10 10 10 5 MAXIMUM LOAD CURRENT (A) V 5 5 MAXIMUM LOAD CURRENT (A) OUT = 1.5V MAXIMUM LOAD CURRENT (A) VOUT = 1.5V VOUT = 1.5V fSW = 500kHz fSW = 500kHz fSW = 500kHz DC2341A DEMO BOARD DC2341A DEMO BOARD DC2341A DEMO BOARD 0 0 0 0 25 50 75 100 125 0 25 50 75 100 125 0 25 50 75 100 125 AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) 7130 G25 7130 G26 7130 G27 7130fb For more information www.linear.com/LTC7130 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Application Related Parts .34579 Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. Oscillator Frequency Undervoltage Lockout Threshold Shutdown Current vs Input Voltage (INTVCC) vs Temperature vs Input Voltage
900 4.5 100 VFREQ = 2.5V RISE 800 4.3 90 700 4.1 80 3.9 70 600 FALL VFREQ = 1.2V 3.7 60 500 3.5 50 400 3.3 40 FREQUENCY (kHz) 300 VFREQ = 0V UVLO THRESHOLD (V) 3.1 30 200 2.9 SHUTDOWN CURRENT (µA) 20 100 2.7 10 0 2.5 0 0 5 10 15 20 –50 –25 0 25 50 75 100 125 0 5 10 15 20 INPUT VOLTAGE (V) TEMPERATURE (°C) INPUT VOLTAGE (V) 7130 G19 7130 G20 7130 G21
Input Quiescent Current Quiescent Current vs Shutdown Current vs Temperature vs Input Voltage without EXTVCC Temperature without EXTVCC
50 4.00 4.0 45 3.8 3.75 40 3.6 3.50 35 3.4 30 3.25 3.2 25 3.0 3.00 SHUTDOWN CURRENT (µA) 20 QUIESCENT CURRENT (mA) QUIESCENT CURRENT (mA) 2.8 2.75 15 2.6 10 2.50 2.4 –50 –25 0 25 50 75 100 125 0 5 10 15 20 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) INPUT VOLTAGE (V) TEMPERATURE (°C) 7130 G22 7130 G23 7130 G24
Thermal Derating VIN = 5V Thermal Derating VIN = 5V Thermal Derating VIN = 12V Thermal Derating VIN = 12V Thermal Derating VIN = 20V Thermal Derating VIN = 20V
25 25 NO HEAT SINK 25 0LFM NO HEAT SINK 0LFM NO HEAT SINK 0LFM 200LFM 200LFM 200LFM 400LFM 20 400LFM 20 400LFM 20 15 15 15 10 10 10 5 MAXIMUM LOAD CURRENT (A) V 5 5 MAXIMUM LOAD CURRENT (A) OUT = 1.5V MAXIMUM LOAD CURRENT (A) VOUT = 1.5V VOUT = 1.5V fSW = 500kHz fSW = 500kHz fSW = 500kHz DC2341A DEMO BOARD DC2341A DEMO BOARD DC2341A DEMO BOARD 0 0 0 0 25 50 75 100 125 0 25 50 75 100 125 0 25 50 75 100 125 AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) AMBIENT TEMPERATURE (°C) 7130 G25 7130 G26 7130 G27 7130fb For more information www.linear.com/LTC7130 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Pin Functions Functional Block Diagram Operation Applications Information Typical Application Related Parts .34579 Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Pin Functions Functional Block Diagram Operation Applications Information Typical Applications Typical Application Related Parts