sc1116 Semtech Corporation, sc1116 Datasheet
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sc1116
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sc1116 Summary of contents
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... DDR power supplies. The SC1116 comes in a space saving SOT-23 6 pin package. The SC1116 provides a dual gate drive for the top serial and bottom parallel MOSFETs with internal shoot through protection. The wide range of input voltages (3V to 15V) allows the chip to work in many various applications ...
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... V ref=1.25V .1uF 2007 Semtech Corp. The SC1116 controller offers a low cost solution for DDR termination voltage regulation by using external pass el- ements (MOSFETs). Having the flexibility of choosing the MOSFETs allows for optimization on the basis of cost/ size/performance of the specific application. ...
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... POWER MANAGEMENT Typical Characteristics Regulation Vtt vs. Vref @ Is/s=1A; Vcc=5V 2.0% 1.0% 0.0% -1.0% -2.0% -3.0% -4.0% -5.0% 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Vref (Vddq/2), V Regulation Vtt vs. Vref @ Is/s=1A; Vcc=12V 2.0% 1.0% 0.0% -1.0% -2.0% -3.0% -4.0% -5.0% 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Vref (Vddq/2), V 2007 Semtech Corp. Regulation Vtt vs. Vref @ Is/s=5A; Vcc=5V 2.0% 1.0% 0.0% -1.0% -2.0% -3.0% -4.0% -5.0% 0.2 0.3 0.9 1.0 1.1 1.2 1.3 Regulation Vtt vs. Vref @ Is/s=5A; Vcc=12V 2.0% 1.0% 0.0% -1.0% -2.0% -3.0% -4.0% -5.0% 0.2 0.3 0.9 1.0 1.1 1.2 1.3 5 SC1116 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 Vref (Vddq/2), V 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 Vref (Vddq/2), V www.semtech.com 1.2 1.3 1.2 1.3 ...
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... Typical Characteristics (Cont 4.4 4.3 4.2 4.1 4 3.9 3.8 3.7 3.6 2007 Semtech Corp. Max. Sourcing Current vs 2.5V DDQ V = 1.25V REF V = 1.237V TT 3.5 4 4.5 5 SUPPLY VOLTAGE Max. Sinking Current vs 2.5V DDQ V = 1.25V REF V = 1.263V TT 3 3.5 4 4.5 5 SUPPLY VOLTAGE SC1116 5.5 6 6.5 (V) 5.5 6 6.5 (V) www.semtech.com ...
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... Semtech Corp. Quie Current rature -25 - TEMPERATURE °C Quiescent Current vs 125 3.5 4 4.5 5 SUPPLY VOLTAGE SC1116 2.5V DDQ V = 1.25V REF V = 1.25V LOAD 80 95 110 125 V = 2.5V DDQ V = 1.25V REF V = 1.25V TT ...
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... 2.5V DDQ V = 1.25V REF I : STEP +2. 2.2A Slew Rate: 2.5 A/ 2.5V DDQ V = 1.25V REF I : STEP +1.25A to –1.25A Slew Rate: 2.5 A/uS 8 SC1116 2.5V DDQ V = 1.25V REF I : STEP +1.75A to –1.75A Slew Rate: 2.5 A/uS Time (50us/div 2.5V DDQ V = 1.25V REF I : STEP - 0.75A to + 0.75A Slew Rate: 2 ...
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... 2.5V DDQ V = 1.25V REF I : STEP - 0.53A to + 0.53A Slew Rate: 2.5 A/ 2.5V DDQ V = 1.25V REF I : STEP + 0.03A to + 2.25A Slew Rate: 2.5 A/uS 9 SC1116 2.5V DDQ V = 1.25V REF C = 47uF OUT ceramic I : STEP - 0. 0.53A Slew Rate: 2.5 A/uS Time (50us/div 2.5V DDQ V = 1.25V REF I : STEP + 0 ...
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... Values used for optional compensation are 1K and 4.7nF typical. (2) When using 3V as Vcc, use of low threshold FETs is a must. 2007 Semtech Corp. Q1 IR3714 U1 SC1116 1 6 VCC DRVH C2 0 GND REF DRVL 0.1 C4 4.7nF 10 SC1116 Top Layer VTT=1.25Vtyp C6 47uF GND Q2 IR3714 4.7nF www.semtech.com ...
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... DIM INCHES INCHES (.098 .055 .037 X X .024 .043 Z Z .141 Semtech Corporation Power Management Products Division 200 Flynn Road, Camarillo, CA 93012 11 SC1116 DIMENSIONS INCHES MILLIMETERS NOM MAX MIN NOM MAX - - .057 1.45 0. .006 0.00 0.15 .045 .051 .90 1.15 1. .020 0.25 0. ...