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LM2651 데이터시트(PDF) 8 Page - Texas Instruments |
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LM2651 데이터시트(HTML) 8 Page - Texas Instruments |
8 / 20 page LM2651 SNVS032C – MAY 2004 – REVISED APRIL 2005 www.ti.com All Output Voltage Versions Specifications in standard type face are for TJ = 25°C and those with boldface type apply over full operating junction temperature range. VIN =10V unless otherwise specified. Symbol Parameter Conditions Typical Limit Units IQ Quiescent Current 1.6 mA 2.0 mA(max) IQSD Quiescent Current in Shutdown Shutdown Pin Pulled Low 7 µA Mode 12/20 µA(max) RSW(ON) High-Side or Low-Side Switch ISWITCH = 1A 110 m Ω On Resistance (MOSFET On Resistance + Bonding Wire Resistance) RDS(ON) MOSFET On Resistance (High- ISWITCH = 1A 75 m Ω Side or Low-Side) 130 m Ω(max) IL Switch Leakage Current - High 130 nA Side Switch Leakage Current - Low 130 nA Side VBOOT Bootstrap Regulator Voltage IBOOT = 1 mA 6.75 V 6.45/6.40 V(min) 6.95/7.00 V(max) GM Error Amplifier 1250 µmho Transconductance VINUV VIN Undervoltage Lockout Rising Edge 3.8 3.95 V Threshold Voltage V(max) VUV-HYST Hysteresis for the Undervoltage 210 mV Lockout ICL Switch Current Limit VIN = 5V 2 A 1.55 A(min) 2.60 A(max) ISM Sleep Mode Threshold Current VIN = 5V 100 mA AV Error Amplifier Voltage Gain 100 V/V IEA_SOURCE Error Amplifier Source Current 40 µA 25/15 µA(min) IEA_SINK Error Amplifier Sink Current 65 µA 30 µA(min) VEAH Error Amplifier Output Swing 2.70 V Upper Limit 2.50/2.40 V(min) VEAL Error Amplifier Output Swing 1.25 V Lower Limit 1.35/1.50 V(max) VD Body Diode Voltage IDIODE = 1.5A 1 V fOSC Oscillator Frequency VIN = 4V 300 kHz 280/255 kHz(min) 330/345 kHz(max) DMAX Maximum Duty Cycle VIN = 4V 95 % 92 %(min) ISS Soft-Start Current Voltage at the SS pin = 1.4V 11 µA 7 µA(min) 14 µA(max) ISHUTDOWN Shutdown Pin Current Shutdown Pin Pulled Low 2.2 µA 0.8/0.5 µA(min) 3.7/4.0 µA(max) vSHUTDOWN Shutdown Pin Threshold Voltage Falling Edge 0.6 V 0.3 V(min) 0.9 V(max) TSD Thermal Shutdown Temperature 165 °C TSD_HYST Thermal Shutdown Hysteresis 25 °C Temperature 8 Submit Documentation Feedback Copyright © 2004–2005, Texas Instruments Incorporated Product Folder Links: LM2651 |
유사한 부품 번호 - LM2651_14 |
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유사한 설명 - LM2651_14 |
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