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SD3118-2R2 датащи(PDF) 4 Page - Skyworks Solutions Inc. |
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SD3118-2R2 датащи(HTML) 4 Page - Skyworks Solutions Inc. |
4 / 22 page 4 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 201999B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013 AAT1171 600mA Voltage-Scaling Step-Down Converter for RF Power Amplifiers with Bypass Switch DATA SHEET Electrical Characteristics1 TA = -40°C to +85°C, unless otherwise noted. VIN = VCC = 3.6V; typical values are TA = 25°C. Symbol Description Conditions Min Typ Max Units VIN Input Voltage 2.7 5.5 V VUVLO UVLO Threshold VIN Rising 2.6 V UVLO Hysteresis 200 mV VOUT VOUT Programmable Range 0.6 3.6 V VDACIN Input Voltage Range from DAC 0.2 1.2 V IQ Quiescent Current No Load, Light Load 45 70 μA No Load, PWM, VCC Bias Current 420 ISHDN Shutdown Current EN = AGND = PGND, MODE/SYNC = VIN or GND 1.0 μA ILIM P-Channel Current Limit TA = 25°C 1.2 1.6 A RDS(ON)H High Side Switch On Resistance 230 mΩ RDS(ON)L Low Side Switch On Resistance 230 mΩ RDS(ON)BP Bypass Switch Resistance VDAC = 1.3V or BYPASS = VIN 85 mΩ ILXLEAK LX Leakage Current VCC = 5.5V, VLX = 0 to VCC, EN = 0V 1 μA ∆VOUT/ VOUT Load Regulation ILOAD = 0 to 500mA 0.5 % ∆VOUT/ VOUT/∆VIN Line Regulation 0.2 %/V ROUT Feedback Impedance 170 kΩ VOUT Output Voltage Accuracy VDAC = 0.6V, ILOAD = 0 1.746 1.8 1.854 V FOSC Oscillator Frequency 2.0 MHz TSD Over-Temperature Shutdown Threshold 140 °C THYS Over-Temperature Shutdown Hysteresis 15 °C ILL Light Load Load Current Threshold 100 mA tVOUTS Output Voltage Settling Time VOUT = 0.6V to VOUT(MAX), MODE/SYNC = VIN 30 μs PWM/Light Load/EN VEN(L) Enable Threshold Low 0.6 V VEN(H) Enable Threshold High 1.4 V IEN Input Low Current VCC = 5.5V -1.0 1.0 μA tEN Turn-On Enable Response Time AAT1171-1: EN = Low to High, MODE/SYNC = High, VDAC = 1.2V 150 μs AAT1171-4/AAT1171-5: EN = Low to High, MODE/SYNC = High, VDAC = 1.2V 50 MODE/SYNC FMODE/SYNC Synchronization Frequency Sync to 19.8MHz2 19.8 MHz VMODE/ SYNC(H) MODE/SYNC High Level Threshold VIN- 0.4 V VMODE/ SYNC(L) MODE/SYNC Low Level Threshold 0.4 V IMODE/SYNC MODE/SYNC Low Current VSYNC = GND or VCC -1.0 1.0 μA DAC Input Gain Output Voltage/DAC Voltage3 3 V/V 1. The AAT1171 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correla- tion with statistical process controls. 2. Please contact Sales for other synchronization frequencies. 3. Please contact Sales for other output voltage/DAC voltage gains. |
Аналогичный номер детали - SD3118-2R2 |
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Аналогичное описание - SD3118-2R2 |
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