SC1102CSTRT Semtech, SC1102CSTRT Datasheet
SC1102CSTRT
Specifications of SC1102CSTRT
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SC1102CSTRT Summary of contents
Page 1
... SHDN 12 VREF VREF 11 SENSE 10 +12V BSTH C4 1.0 Q1 STP40NE 9 BSTL R5 Q2 3.9 STP40NE 8 DRVL R6 2.2 1 SC1102/SC1102A current sensing + Vin 10.0 680/6.3V 680/6.3V 680/6. 124* R7 127 L1 2uH C9 C10 C11 C12 C13 180/4V 180/4V 180/4V 180/4V 180/4V NOTE: *) Vout = 1.265 x (1+R8/R7) www.semtech.com + Vout=2.5V* _ ...
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... Electrical Characteristics section is not implied. Exposure to Absolute Maximum rated conditions for extended periods of time may affect device reliability Note: (1) -1.5V to 20V for 25ns repetitive every cycle. Electrical Characteristics Unless specified 4.75V to 12.6V; GND = PGND = 0V 2006 Semtech Corp 12V BSTL BSTH-PHASE SC1102/SC1102A ± ° ° 12V www.semtech.com ° C ° C ° C ° µ ...
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... POWER MANAGEMENT Electrical Characteristics (Cont.) Unless specified 4.75V to 12.6V; GND = PGND = 0V NOTES: (1) Specification refers to application circuit (Figure 1). (2) This device is ESD sensitive. Use of standard ESD handling precautions is required. 2006 Semtech Corp 12V 12V BSTL BSTH-PHASE ° ° SC1102/SC1102A = µ µ µ A www.semtech.com ...
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... SOIC) Pin Descriptions NOTE: (1) All logic level inputs and outputs are open collector TTL compatible. 2006 Semtech Corp. Ordering Information Notes: (1) Only available in tape and reel packaging. A reel contains 2500 devices. (2) Lead free product. This product is fully WEEE and RoHS compliant ...
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... When the oscil- lator voltage rises back above the error amplifier output voltage, the comparator output goes low. This pulls DH 2006 Semtech Corp. SC1102/SC1102A low, turning off the high-side FET, and DL is pulled high, turning on the low-side FET (once the cross-current con- trol allows it) ...
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... If an over- current condition has not occurred the soft-start voltage will continue to rise and level off at about 2.2V. 2006 Semtech Corp. SC1102/SC1102A An over-current condition occurs when the high-side drive is turned on, but the PHASE node does not reach the voltage level set at the OCSET pin ...
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... Typical 12V Application Circuit with Bootstrapped BSTH + 1.74k C2 SC1102 opt. 0.1 1 VCC PWRGD 2 PWRGD OVP OVP 4 OCSET 5 PHASE D1 MBR0520 6 DRVH 7 PGND 2006 Semtech Corp. D2 MBRA130 14 GND C3 SHDN 0.1 13 SS/SHDN VREF 12 VREF 11 SENSE 10 BSTH C4 Q1 STP40NE 9 BSTL 1 3.9 8 STP40NE DRVL R6 2.2 7 SC1102/SC1102A + ...
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... PIN Descriptions Ch1: Vo_rpl 5V 1.3V 12A IN OUT OUT 2006 Semtech Corp. SC1102/SC1102A Wave forms are shown for SC1102 and are similiar for SC1102A but at a higher frequency. Gate Drive Waveforms Ch1: Top FET Ch2: Bottom FET Ch1: Top FET Ch2: Bottom FET 8 www ...
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... POWER MANAGEMENT Typical Characteristics (Cont.) Ch1: Vo_rpl 5V 1.3V 12A IN OUT OUT Error Amplifier, Gain and Phase 40 PIN Descriptions Gain 10 Phase -10 100.0E+0 1.0E+3 10.0E+3 100.0E+3 Frequency (Hz) 2006 Semtech Corp. Ch1: Top FET Ch2: Bottom FET 180 135 -45 1.0E+6 10.0E+6 9 SC1102/SC1102A www.semtech.com ...
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... POWER MANAGEMENT Typical Characteristics (Cont.) Hiccup Mode Start Up Mode 2006 Semtech Corp. SC1102/SC1102A Ch1: Vin Ch2: Vss Ch3: Top Gate Ch4: Vout Vin = 5V Vout = 3.3V Vbst = 12V Iout = S.C. Iout = S.C. Iout = S.C. Iout = S.C. Iout = S.C. Ch1: Vin Ch2: Vss ...
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... POWER MANAGEMENT Evaluation Board Schematic 2006 Semtech Corp. SC1102/SC1102A 11 www.semtech.com ...
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... Land Pattern - SOIC - 14 X (C) P NOTES: 1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY. CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR COMPANY'S MANUFACTURING GUIDELINES ARE MET. 2. REFERENCE IPC-SM-782A, RLP NO. 302A. Contact Information Phone: (805)498-2111 FAX (805)498-3804 2006 Semtech Corp. A DIM MIN .053 N A1 .004 A2 .049 b ...