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LM2775DSGR Datasheet(PDF) 5 Page - Texas Instruments |
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LM2775DSGR Datasheet(HTML) 5 Page - Texas Instruments |
5 / 27 page VIN (V) 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 4.4 4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 D001 TA = -40°C TA = +25°C TA = +85°C VIN (V) 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 4.4 4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 D002 TA = -40°C TA = +25°C TA = +85°C LM2775 www.ti.com SNVSA57 – MAY 2015 6.5 Electrical Characteristics Typical limits tested at TA = 25°C. Minimum and maximum limits apply over the full operating ambient temperature range ( −40°C ≤ TA ≤ 85°C). VIN = 3.6 V, CIN = COUT = 2.2 µF, C1 = 1 µF PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOUT Output voltage regulation IOUT = 180 mA 4.8 5 5.2 V IOUT = 0 mA, PFM = ‘1’ 75 150 µA IQ Quiescent current IOUT = 0 mA, PFM = ‘0’ 5 mA ISD Shutdown current EN = '0' 0.7 3 µA IOUTDIS Output discharge current OUTDIS = '1' 500 µA ICL Input current limit 600 mA VIL Input logic low: EN, OUTDIS, PFM 0 0.4 V VIH Input logic high: EN, OUTDIS, PFM 1.2 VIN V VIN falling 2.4 UVLO Undervoltage lockout V VIN rising 2.6 6.6 Switching Characteristics over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ƒSW Switching frequency 1.7 2 2.3 MHz 6.7 Typical Characteristics TA = 25°C, VIN = 3.6 V, CIN = COUT = 10 µF (10-V 0402 case), C1 = 1 µF (10-V 0402 case), VEN = VIN. ILOAD = 200 mA PFM = '0' ILOAD = 200 mA PFM = '1' Figure 1. PWM Output Regulation Figure 2. PFM Output Regulation Copyright © 2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM2775 |
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