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| USB HIGH-SIDE POWER SWITCH 5+ 6(5,(6 NO. 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Voltage 100k 1 EN OUT 5 1 EN OUT 5 V VEN 2 GND VEN 2 GND VOUT 3 FLG IN 4 3 FLG IN 4 VIN 0.1F 0.1F VIN 6 R5520H (7) Flag Output Delay Time 1 EN (8) UVLO Threshold OUT 5 100k 1 EN OUT 5 V VEN 2 GND VEN 2 GND VOUT 3 FLG IN 4 3 FLG IN 4 0.1F 10k VIN VIN 0.1F VFLG TYPICAL APLICATION AND TECHNICAL NOTES * R5520H001A/R5520H001B VIN +4V to +5.5V 10k to 100k VEN EN OUT VOUT GND VFLG FLG R5520H IN 0.1F * 3XW D FDSDFLWDQFH UDQJH IURP ) WR ) E\SDVV FDSDFLWRU EHWZHHQ ,1 SLQ DQG *1' SLQ RI WKH ,& :LWKRXW D E\SDVV FDSDFLWRU LQ FDVH RI RXWSXW VKRUW EHFDXVH RI WKH KLJK VLGH LQGXFWDQFH RI ,1 SLQ ULQJLQJ PD\ EH JHQHUDWHG DQG LW PLJKW EH D FDXVH RI DQ XQVWDEOH RSHUDWLRQ * 5HFRPPHQGHG SXOOXS UHVLVWDQFH YDOXH UDQJH RI IODJ SLQ LV IURP N WR N 7 R5520H TIMING CHART * R5520H001A VEN 50 50 tOFF tON 90 VOUT 10 tFD VEN 50 VFLG 10 FLG Output Delay Time * R5520H001B VEN 50 50 tOFF tON 90 VOUT 10 VEN 50 tFD VFLG 10 8 R5520H TYPICAL CHARACTERISTICS 1) Supply Current vs. Temperature 25 2) Supply Current vs. Input Voltage 25 Supply Current IDD1(A) 20 15 10 5 0 -40 VIN=5.5V VIN=4V Supply Current IDD1(A) 20 15 10 5 0 2.5 85C 25C -40C -20 0 20 40 60 80 100 3 3.5 4 4.5 5 5.5 6 Temperature Topt(C) Input Voltage VIN(V) 3) On Resistance vs. Temperature 180 IOUT=500mA 4) On Resistance vs. Input Voltage 180 IOUT=500mA On Resistance RON(m) On Resistance RON(m) 160 140 120 100 VIN=5V 80 60 40 -40 -20 0 20 40 60 80 100 VIN=4V 160 140 120 100 80 -40C 60 40 2.5 3 3.5 4 4.5 5 5.5 6 25C 85C Temperature Topt(C) Input Voltage VIN(V) 5) Output On Time vs. Temperature 3.5 6) Output On Time vs. Input Voltage 3.5 -40C Output On Time tON(ms) 3.0 VIN=5.5V 2.5 VIN=4V 2.0 1.5 1.0 -40 Output On Time tON(ms) 3.0 25C 2.5 2.0 1.5 1.0 2.5 85C -20 0 20 40 60 80 100 3 3.5 4 4.5 5 5.5 6 Temperature Topt(C) Input Voltage VIN(V) 9 R5520H 7) Over-current limit vs. Temperature 900 8) Over-current limit vs. Input Voltage 900 Over-Current Limit ILIM(mA) Over-Current Limit ILIM(mA) 850 800 750 700 650 600 550 500 -40 -20 0 20 40 60 80 100 VIN=5.5V VIN=4V 850 800 750 700 650 600 550 500 2.5 3 -40C 25C 85C 3.5 4 4.5 5 5.5 6 Temperature Topt(C) Input Voltage VIN(V) 9) Over-current Detector Threshold vs. Temperature Over-current Detector Threshold ITH(mA) 1800 1600 VIN=5.5V 10) Over-current Detector Threshold vs. Input Voltage Over-current Detector Threshold ITH(mA) 1800 1600 -40C 1400 1200 1000 800 600 400 1400 1200 1000 VIN=4V 25C 85C 800 600 2.5 200 0 -40 -20 0 20 40 60 80 100 3 3.5 4 4.5 5 5.5 6 Temperature Topt(C) VIN(V) 11) Enable Input Voltage vs. Temperature Enable Input Voltage VEN1/VEN2(V) 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 -40 -20 0 20 40 60 80 100 VEN2 VEN1 VIN=5V 12) Enable Input Voltage vs. Input Voltage Enable Input Voltage VEN1/VEN2(V) 2.4 2.2 2.0 1.8 1.6 1.4 1.2 1.0 2.5 3 3.5 4 4.5 5 5.5 6 VEN2 VEN1 Topt=25C Topt(C) Input Voltage VIN(V) 10 R5520H 13) Flag Output Delay Time vs. Temperature Flag Output Delay Time tFD(ms) 20 18 16 14 12 10 8 6 4 -40 -20 0 20 40 60 80 100 VIN=5.5V VIN=4V 14) Flag Output Delay Time vs. Input Voltage Flag Output Delay Time tFD(ms) 20 18 16 14 12 10 8 6 4 2.5 3 3.5 4 4.5 5 5.5 6 85C 25C -40C Temperature Topt(C) VIN(V) 15) UVLO Threshold vs. Temperature UVLO Detector Threshol VUVLO(V) 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.9 -40 -20 0 20 40 60 80 100 VIN VIN Temperature Topt(C) 16) UVLO at VIN increasing VEN=0V, CL=57F, RL=35 VIN (1V/div) VFLG (1V/div) VOUT (2V/div) IOUT (100mA/div) Time(5ms/div) 11 R5520H 17) Turn-on response VIN=5V, CL=147F, RL=35 VEN (10V/div) VFLG (5V/div) VOUT (5V/div) 704mA IOUT (200mA/div) Time(1ms/div) 18) Turn off Response VIN=5V, CL=147F, RL=35 VEN (10V/div) VFLG (5V/div) VOUT (5V/div) IOUT (200mA/div) Time(2ms/div) 19) Inrush current VIN=5V, RL=35 VEN (10V/div) VFLG (5V/div) CL=310F CL=210F CL=110F CL=10F IOUT (200mA/div) Time(1ms/div) 12 R5520H 20) Current Limit Transient Response (Case: Enable to Short) VIN=5V VEN (10V/div) 11.6ms(tFD) VFLG (5V/div) IOUT (500mA/div) Time(2ms/div) 21) Thermal Shutdown VIN=5V, CL=47F VFLG (5V/div) VOUT (5V/div) IOUT (500mA/div) Time(100ms/div) 22) Current Limit Transient Response (Case: Output short during enable) VIN=5V, CL=47F VFLG (5V/div) VOUT (5V/div) IOUT (5A/div) Time(2ms/div) 13 R5520H 23) Zoomed in 22) VIN=5V, CL=47F VOUT (5V/div) IOUT (5A/div) Time(10s/div) 14 |
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