(China (Mainland))
Product Summary
The LTC3701EGN is a 2-phase dual constant frequency current mode step-down DC/DC controller providing excellent load and line regulation. Power loss and noise due to ESR of the input capacitor are minimized by operating the two controller output stages out-of-phase. The applications of the LTC3701EGN include One or Two Lithium-Ion Powered Applications, Notebook and Handheld Computers, Personal Digital Assistants, Portable Instruments and Distributed DC Power Systems.
Parametrics
LTC3701EGN absolute maximum ratings: (1)Input Supply Voltage (VIN): –0.3V to 10V; (2)SENSE1–, SENSE2–, PGATE1, PGATE2,; (3)PLLLPF, SENSE1+, SENSE2+,; (4)EXTCLK/MODE Voltages: –0.3V to (VIN + 0.3V); (5)VFB1, VFB2, ITH/RUN1,; (6)ITH/RUN2 Voltages: –0.3V to 2.4V; (7)PGOOD Voltage: –0.3V to 10V; (8)PGATE1, PGATE2 Peak Output Current (<10μs): 1A; (9)Operating Ambient Temperature Range:–40 to 85℃; (10)Storage Ambient Temperature Range: –65 to 150℃; (11)Junction Temperature: 125℃; (12)Lead Temperature (Soldering, 10 sec): 300℃.
Features
LTC3701EGN features: (1)Out-of-Phase Controllers Reduce Required Input Capacitance; (2)True PLL for Frequency Locking or Frequency Adjustment; (3)Operating Frequency Range: 300kHz to 750kHz; (4)Wide VIN Range: 2.5V to 10V; (5)Constant Frequency Current Mode Architecture; (6)Low Dropout: 100% Duty Cycle; (7)Power Good Output Voltage Monitor; (8)Internal Soft-Start Circuitry; (9)Selectable Burst Mode/Pulse Skipping Operation at Light Loads; (10)Output Overvoltage Protection; (11)Low Quiescent Current: 460μA; (12)0.8V ±2% Voltage Reference; (13)Small 16-Lead Narrow SSOP Package.
Diagrams
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 LTC3701EGN |
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IC REG CTRLR BUCK PWM CM 16-SSOP |
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LTC3701EGN#PBF |
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IC REG CTRLR BUCK PWM CM 16-SSOP |
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LTC3701EGN#TR |
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IC REG CTRLR BUCK PWM CM 16-SSOP |
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LTC3701EGN#TRPBF |
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IC REG CTRLR BUCK PWM CM 16-SSOP |
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