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LM22674QMRE-5.0/NOPB Datasheet(PDF) 5 Page - Texas Instruments |
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LM22674QMRE-5.0/NOPB Datasheet(HTML) 5 Page - Texas Instruments |
5 / 26 page LM22674, LM22674-Q1 www.ti.com SNVS590M – SEPTEMBER 2008 – REVISED NOVEMBER 2014 6.6 Electrical Characteristics Typical values represent the most likely parametric norm at TA = TJ = 25°C, and are provided for reference purposes only. Unless otherwise specified: VIN = 12V. PARAMETER CONDITIONS MIN(1) TYP(2) MAX(1) UNIT LM22674-5.0 VIN = 8 V to 42 V 4.925 5.0 5.075 VFB Feedback Voltage V VIN = 8 V to 42 V, –40°C ≤ TJ ≤ 4.9 5.1 125°C LM22674-ADJ VIN = 4.7 V to 42 V 1.266 1.285 1.304 VFB Feedback Voltage V VIN = 4.7 V to 42 V, –40°C ≤ TJ ≤ 1.259 1.311 125°C ALL OUTPUT VOLTAGE VERSIONS VFB = 5 V 3.4 IQ Quiescent Current mA VFB = 5 V, –40°C ≤ TJ ≤ 125°C 6 ISTDBY Standby Quiescent Current EN Pin = 0 V 25 40 µA 0.56 0.7 0.84 ICL Current Limit A 0.62 0.9 VIN = 42 V, EN Pin = 0 V, VSW = 0 V 0.2 2 µA IL Output Leakage Current VSW = –1 V 0.1 3 µA 0.2 0.24 RDS(ON) Switch On-Resistance Ω VIN = 4.7 V to 42 V, –40°C ≤ TJ ≤ 0.32 125°C 500 fO Oscillator Frequency kHz VIN = 4.7 V to 42 V, –40°C ≤ TJ ≤ 400 600 125°C 200 TOFFMIN Minimum Off-time ns VIN = 4.7 V to 42 V, –40°C ≤ TJ ≤ 100 300 125°C TONMIN Minimum On-time 100 ns IBIAS Feedback Bias Current VFB = 1.3 V (ADJ Version Only) 230 nA Falling 1.6 VEN Enable Threshold Voltage V Falling, –40°C ≤ TJ ≤ 125°C 1.3 1.9 VENHYST Enable Voltage Hysteresis 0.6 V IEN Enable Input Current EN Input = 0 V 6 µA TSD Thermal Shutdown Threshold 150 °C (1) MIN and MAX limits are 100% production tested at 25°C. Limits over the operating temperature range are guaranteed through correlation using Statistical Quality Control (SQC) methods. Limits are used to calculate TI's Average Outgoing Quality Level (AOQL). (2) Typical values represent most likely parametric norms at the conditions specified and are not guaranteed. Copyright © 2008–2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM22674 LM22674-Q1 |
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