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LTC3403 Datasheet(PDF) 2 Page - Linear Technology |
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LTC3403 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 16 page  2 LTC3403 3403f SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOUT Regulated Output Voltage VREF = 1.1V, MODE = VIN q 3.23 3.3 3.37 V VREF = 0.1V, MODE = VIN q 0.25 0.3 0.35 V ∆VOUT Output Voltage Line Regulation VIN = 2.5V to 5V q 0.1 0.4 %/V IPK Peak Inductor Current VIN = 3V, VREF = 0.9V 0.70 1 1.25 A VLOADREG Output Voltage Load Regulation 0.7 % VIN Input Voltage Range q 2.5 5 V IS Input DC Operating Current Burst Mode Operation MODE = 0V, SW = Open 20 35 µA Forced Continuous Mode Operation MODE = VIN, SW = Open 1.5 2.5 mA Shutdown VRUN = 0V, VIN = 4.2V 0.1 1 µA fOSC Oscillator Frequency VREF ≥ 0.25V q 1.2 1.5 1.8 MHz VREF ≤ 0.1V 550 700 850 kHz VREF Bypass PFET Turn-Off Threshold VREF = 1.167 1.2 V Bypass PFET Turn-On Threshold VREF = 1.21 1.26 V RPFET RDS(ON) of P-Channel FET ISW = 160mA, Wafer Level 0.3 0.4 Ω ISW = 160mA, DD Package 0.4 Ω RNFET RDS(ON) of N-Channel FET ISW = –160mA, Wafer Level 0.3 0.4 Ω ISW = –160mA, DD Package 0.4 Ω RBYPASS RDS(ON) of Bypass P-Channel FET IOUT = 100mA, VIN = 3V, Wafer Level 0.15 0.18 Ω IOUT = 100mA, VIN = 3V, DD Package (Note 4) 0.20 Ω ILSW SW Leakage VRUN = 0V, VSW = 0V or 5V, VIN = 5V ±0.01 ±1 µA ILBYP Bypass PFET Leakage VOUT = 0V, VIN = 5V, VREF = 0V ±0.01 ±1 µA VRUN RUN Threshold q 0.3 1 1.5 V IRUN RUN Input Current VRUN = 2.5V or 0V q ±0.01 ±1 µA VMODE MODE Threshold q 0.3 1.5 2 V IMODE MODE Input Current q ±0.01 ±1 µA IREF REF Input Current q ±0.01 ±1 µA Input Supply Voltage (< 300 µs) .................. –0.3V to 6V Input Supply Voltage (DC) ....................... – 0.3V to 5.5V RUN, REF, MODE, VOUT, GDR Voltages ..... – 0.3V to VIN SW Voltage .................................. – 0.3V to (VIN + 0.3V) P-Channel Switch Source Current (DC) ............. 800mA N-Channel Switch Sink Current (DC) ................. 800mA Peak SW Sink and Source Current ........................ 1.3A Bypass P-Channel FET Source Current ...................... 1A Operating Temperature Range (Note 2) .. – 40 °C to 85°C Junction Temperature (Note 3) ............................ 125 °C Storage Temperature Range ................ – 65 °C to 150°C (DD Package) .................................... –65 °C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges. ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1) LTC3403EDD ORDER PART NUMBER DD PART MARKING LAAX TJMAX = 125°C, θJA = 43°C/ W, θJC = 3°C/ W The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. VIN = 3.6V unless otherwise specified. ELECTRICAL CHARACTERISTICS 8 7 6 5 1 2 3 4 VOUT REF MODE RUN GDR VIN GND SW TOP VIEW DD PACKAGE 8-LEAD (3mm × 3mm) PLASTIC DFN EXPOSED PAD IS GND (PIN 9) MUST BE SOLDERED TO PCB 9 |
Similar Part No. - LTC3403_15 |
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Similar Description - LTC3403_15 |
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