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LTC1704B Datasheet(PDF) 2 Page - Linear Technology |
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LTC1704B Datasheet(HTML) 2 Page - Linear Technology |
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2 / 28 page  LTC1704/LTC1704B 2 1704bfa Supply Voltage VCC, PVCC .............................................................. 6V BOOST ................................................................. 12V BOOST – SW ......................................................... 6V Input Voltage SW ............................................................. –1V to 6V FB, REGFB, REGILM, RUN/SS, IMAX .......................... – 0.3V to (VCC + 0.3V) Peak Output Current <10 µs TG, BG (Note 7) ..................................................... 5A Operating Temperature Range (Note 2) .. – 40 °C to 85°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C ORDER PART NUMBER TJMAX = 125°C, θJA = 130°C/W Consult LTC Marketing for parts specified with wider operating temperature ranges. LTC1704EGN LTC1704BEGN ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = PVCC = BOOST = 5V, unless otherwise specified. (Note 3) (Note 1) GN PACKAGE 16-LEAD PLASTIC SSOP 1 2 3 4 5 6 7 8 TOP VIEW 16 15 14 13 12 11 10 9 TG SW IMAX RUN/SS COMP FB REGDR GND BOOST PVCC BG PGND PGOOD VCC REGILM REGFB SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VCC VCC Supply Voltage q 3.15 5 5.5 V PVCC PVCC Supply Voltage (Note 4) q 3.15 5 5.5 V BVCC BOOST Pin Voltage VBOOST – VSW (Note 4) q 3.15 5 5.5 V IVCC VCC Supply Current Test Circuit q 4.5 8 mA VRUN/SS = 0V, VREGILM = 0V q 75 150 µA IPVCC PVCC Supply Current Test Circuit, No Load at Drivers q 36 mA VRUN/SS = 0V (Notes 5, 6) q 50 µA IBOOST BOOST Pin Current Test Circuit q 26 mA VRUN/SS = 0V (Notes 5, 6) q 50 µA VSHDN RUN/SS Shutdown Threshold VRUN/SS ↑ q 0.2 0.5 V ISS RUN/SS Source Current VRUN/SS = 0V – 3 µA Switcher Control Loop VFB Feedback Voltage q 0.788 0.800 0.812 V IFB Feedback Input Current q ±1 µA dVFB Feedback Voltage Line Regulation VCC = 3.3V to 5.5V q ±0.01 ±0.1 %/V Output Voltage Load Regulation (Note 7) q – 0.2 – 0.1 % AFB Feedback Amplifier DC Gain q 74 85 dB GBW Feedback Amplifier Gain Bandwidth Product f = 100kHz (Note 7) 20 MHz ICOMP Feedback Amplifier Output Sink/Source Current q ±3 ±10 mA VPGOOD Negative Power Good Threshold q –15 –10 – 6 % Positive Power Good Threshold q 610 15 % IIMAX IMAX Source Current VIMAX = 0V q –11.5 –10 – 8.5 µA GN PART MARKING 1704 1704B |
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