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LTC3557-1 Datasheet(PDF) 2 Page - Linear Technology |
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LTC3557-1 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 28 page  LTC3557/LTC3557-1 2 35571fc POWER MANAGER ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS VBUS, VOUT, VIN1, VIN2 t < 1ms and Duty Cycle < 1% .................. −0.3V to 7V Steady State............................................. −0.3V to 6V BAT, NTC, CHRG, WALL, VC, MODE, FB1, FB2, FB3, RST2........................ −0.3V to 6V EN1, EN2, EN3 .............................. −0.3V to VOUT + 0.3V ILIM0, ILIM1, PROG ....................... −0.3V to VCC + 0.3V IVBUS, IVOUT, IBAT .........................................................2A ISW1 .....................................................................850mA ISW2, ISW3 ............................................................600mA IRST2, ICHRG, IACPR .................................................75mA ICLPROG, IPROG..........................................................2mA Maximum Operating Junction Temperature .......... 110°C Operating Ambient Temperature Range ... −40°C to 85°C Storage Temperature Range................... −65°C to 125°C (Notes 1-4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input Power Supply VBUS Input Supply Voltage 4.35 5.5 V IBUS(LIM) Total Input Current (Note 5) ILIM0 = 0V, ILIM1 = 0V (1x Mode) ILIM0 = 5V, ILIM1 = 5V (5x Mode) ILIM0 = 5V, ILIM1 = 0V (10x Mode) ● ● 80 450 900 90 475 950 100 500 1000 mA mA mA IBUSQ Input Quiescent Current 1x, 5x, 10x Modes ILIM0 = 0V, ILIM1 = 5V (Suspend Mode) 0.35 0.05 0.1 mA mA hCLPROG Ratio of Measured VBUS Current to CLPROG Program Current 1x, 5x, 10x Modes 1000 mA/mA VCLPROG CLPROG Servo Voltage in Current Limit 1x Mode 5x Mode 10x Mode 0.2 1.0 2.0 V V V VUVLO VBUS Undervoltage Lockout Rising Threshold Falling Threshold 3.5 3.8 3.7 3.9 V V 28 27 26 25 24 23 8 9 TOP VIEW 29 UF PACKAGE 28-LEAD (4mm 4mm) PLASTIC QFN 10 11 12 13 14 ILIM0 ILIM1 WALL LDO3V3 SW1 VIN1 FB1 GATE PROG NTC VNTC SW3 VIN2 SW2 16 15 17 18 19 20 21 6 7 5 4 3 2 1 22 TJMAX = 110°C, θJA = 37°C/W EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VBUS = 5V, VBAT = 3.8V, ILIM0 = ILIM1 = 5V, WALL = EN1 = EN2 = EN3 = 0V, RPROG = 2k, RCLPROG = 2.1k. PIN CONFIGURATION ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE LTC3557EUF#PBF LTC3557EUF#TRPBF 3557 28-Lead (4mm × 4mm) Plastic QFN −40°C to 85°C LTC3557EUF-1#PBF LTC3557EUF-1#TRPBF 35571 28-Lead (4mm × 4mm) Plastic QFN −40°C to 85°C Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ |
Similar Part No. - LTC3557-1_15 |
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Similar Description - LTC3557-1_15 |
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