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SWCS049A 数据表(PDF) 23 Page - Texas Instruments |
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SWCS049A 数据表(HTML) 23 Page - Texas Instruments |
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23 / 144 page  23 TPS65911 www.ti.com SWCS049S – JUNE 2010 – REVISED AUGUST 2018 Submit Documentation Feedback Product Folder Links: TPS65911 Specifications Copyright © 2010–2018, Texas Instruments Incorporated Electrical Characteristics: VDD1 SMPS (continued) Over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Conversion efficiency PWM mode, DCRL < 0.1 Ω, VOUT = 1.2 V, VIN = 3.6 V IOUT = 10 mA 35% IOUT = 100 mA 78% IOUT = 400 mA 80% IOUT = 800 mA 74% IOUT = 1500 mA 62% PFM mode, DCRL < 0.1 Ω, VOUT = 1.2 V, VIN = 3.6 V IOUT = 1 mA 59% IOUT = 10 mA 70% IOUT = 400 mA 80% 5.15 Electrical Characteristics: VDD2 SMPS Over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Input voltage on VCC2 and VCC7 (VIN) VOUT ≤ 2.7 V 2.7 5.5 V VOUT > 2.7 V VOUT 5.5 DC output voltage (VOUT) VGAIN_SEL = 00, IOUT = 0 to IOUTmax Max programmable voltage, SEL[6:0] = 1001011 1.5 V SEL[6:0] = 0110011 –3% 1.2 3% Min programmable voltage, SEL[6:0] = 0000011 0.6 SEL[6:0] = 000000: power down 0 VGAIN_SEL = 10, SEL = 0101011 = 43 –3% 2.2 3% VGAIN_SEL = 11, SEL = 0101011 = 43 –3% 3.3 3% DC output maximum voltage maximum value 3.3 V DC output voltage programmable step (VOUTSTEP) VGAIN_SEL = 00, 72 steps 12.5 mV Rated output current IOUTmax VDD2 output voltage = 0.6 to 1.5 V 1500 mA VDD2 output voltage = 2.2 V 1200 VDD2 output voltage = 3.2 V 1200 P-channel MOSFET VIN = VINmin 300 mΩ On-resistance (RDS(ON)_PMOS) VIN = 3.8 V 250 400 mΩ P-channel leakage current (ILK_PMOS) VIN = VINmax, SW2 = 0 V 2 µA N-channel MOSFET VIN = VMIN 300 mΩ On-resistance (RDS(ON)_NMOS) VIN = 3.8 V 250 400 mΩ N-channel leakage current (ILK_NMOS) VIN = VINmax, SW2 = VINmax 2 µA PMOS current limit (high-side) VIN = VINmin to VINmax, source current load 1800 mA NMOS current limit (low- side) VIN = VINmin to VINmax, source current load 1800 mA VIN = VINmin to VINmax, sink current load 1800 DC load regulation On mode, VIN = VINmin to VINmax at IOUT = 1500 mA VDD2 output voltage = 0.6 to 1.5V 20 mV On mode, VIN = VINmin to VINmax at IOUT = 1200 mA VDD2 output voltage = 2.2 to 3.3 V 30 |
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