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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM5145 датащи(PDF) 8 Page - Texas Instruments |
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LM5145 датащи(HTML) 8 Page - Texas Instruments |
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8 / 66 page  7.5 Electrical Characteristics Typical values correspond to TJ = 25°C. Minimum and maximum limits apply over the –40°C to 150°C junction temperature range unless otherwise stated. VVIN = 48 V, VEN/UVLO = 1.5 V, RRT = 25 kΩ unless otherwise stated. (1) (2) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT SUPPLY VIN Operating input voltage range IVCC ≤ 10 mA at VVIN = 5.5 V 5.5 100 V IQ-RUN Operating input current, not switching VEN/UVLO = 1.5 V, VSS/TRK = 0 V 1.8 2.1 mA IQ-STBY Standby input current VEN/UVLO = 1 V 1.75 2 mA IQ-SHDN Shutdown input current VEN/UVLO = 0 V, VVCC < 1 V 13.5 30 µA VCC REGULATOR VVCC VCC regulation voltage VSS/TRK = 0 V, 9 V ≤ VVIN ≤ 100 V, 0 mA ≤ IVCC ≤ 20 mA 7.3 7.5 7.7 V VVCC-LDO VIN to VCC dropout voltage VVIN = 6 V, VSS/TRK = 0 V, IVCC = 20 mA 0.25 0.72 V ISC-LDO VCC short-circuit current VSS/TRK = 0 V, VVCC = 0 V 40 50 70 mA VVCC-UV VCC undervoltage threshold VVCC rising 4.8 4.93 5.2 V VVCC-UVH VCC undervoltage hysteresis Rising threshold – falling threshold 0.26 V VVCC-EXT Minimum external bias voltage Voltage required to disable VCC regulator 8 V IVCC External VCC input current, not switching VSS/TRK = 0 V, VVCC = 13 V 2.3 mA ENABLE AND INPUT UVLO VSHDN Shutdown to standby threshold VEN/UVLO rising 0.42 V VSHDN-HYS Shutdown threshold hysteresis EN/UVLO Rising threshold – falling threshold 50 mV VEN Standby to operating threshold VEN/UVLO rising 1.164 1.2 1.236 V IEN-HYS Standby to operating hysteresis current VEN/UVLO = 1.5 V 9 10 11 µA ERROR AMPLIFIER VREF FB reference Voltage FB connected to COMP 792 800 808 mV IFB-BIAS1 FB input bias current VFB = 0.8 V, –40°C ≤ TJ ≤ 125°C –0.1 0.1 µA IFB-BIAS2 FB input bias current VFB = 0.8 V, –40℃ ≤ TJ ≤ 150℃ –0.2 0.2 µA VCOMP-OH COMP output high voltage VFB = 0 V, COMP sourcing 1 mA 5 V VCOMP-OL COMP output low voltage COMP sinking 1 mA 0.3 V AVOL DC gain 94 dB GBW Unity gain bandwidth 6.5 MHz SOFT-START and VOLTAGE TRACKING ISS SS/TRK capacitor charging current VSS/TRK = 0 V 8.5 10 12 µA RSS SS/TRK discharge FET resistance VEN/UVLO = 1 V, VSS/TRK = 0.1 V 11 Ω VSS-FB SS/TRK to FB offset –15 0 15 mV VSS-CLAMP SS/TRK clamp voltage VSS/TRK – VFB, VFB = 0.8 V 115 mV POWER GOOD INDICATOR PGUTH FB upper threshold for PGOOD high to low % of VREF, VFB rising 106% 108% 110% PGLTH FB lower threshold for PGOOD high to low % of VREF, VFB falling 90% 92% 94% PGHYS_U PGOOD upper theshold hysteresis % of VREF 3% PGHYS_L PGOOD lower threshold hysteresis % of VREF 2% TPG-RISE PGOOD rising filter FB to PGOOD rising edge 25% µs TPG-FALL PGOOD falling filter FB to PGOOD falling edge 25% µs VPG-OL PGOOD low state output voltage VFB = 0.9 V, IPGOOD = 2 mA 150 mV LM5146 SNVSBV0A – JUNE 2021 – REVISED JUNE 2021 www.ti.com 8 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: LM5146 |
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