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MAX1940 Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX1940 Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 13 page Triple USB Switch with Autoreset and Fault Blanking _______________________________________________________________________________________ 5 TEMPERATURE ( °C) 60 35 10 -15 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 100 -40 85 VIN_ = 5.5V VIN_ = 5V VIN_ = 4.5V RPU = 4.7k Ω FAULT OUTPUT LOW VOLTAGE vs. TEMPERATURE AUTORESET CURRENT vs. TEMPERATURE TEMPERATURE ( °C) 60 35 10 -15 20 22 24 26 28 30 32 34 36 38 18 -40 85 VIN_ = 5.5V VIN_ = 4.5V VIN_ = 5V AUTORESET CURRENT vs. INPUT VOLTAGE INPUT VOLTAGE (V) 5.3 5.1 3.7 3.9 4.1 4.5 4.7 4.3 4.9 5 10 15 20 25 30 35 40 0 3.5 5.5 TA = -40 °C TA = +25 °C TA = +85 °C OVERLOAD RESPONSE INTO 2.5 Ω MAX1940 toc13 10ms/div B A C 0 5V 0 D 0 A: VIN_ 5V/div B: VOUT_ 5V/div C: VFAULT_ 5V/div D: IOUT_ 1A/div OVERLOAD RESPONSE INTO 2.5 Ω (EXPANDED TIME SCALE) MAX1940 toc14 400 µs/div B A C 0 5V 0 D 5V A: VIN_ 5V/div B: VOUT_ 5V/div C: VFAULT_ 5V/div D: IOUT_ 1A/div SHORT-CIRCUIT RESPONSE INTO 0 Ω MAX1940 toc15 10ms/div B A C 5V 5V 0 D 5V A: VIN_ 5V/div B: VOUT_ 5V/div C: VFAULT_ 5V/div D: IOUT_ 1A/div SHORT-CIRCUIT RESPONSE INTO 0 Ω (EXPANDED TIME SCALE) MAX1940 toc16 400 µs/div B A C 0 5V 0 D 5V A: VIN_ 5V/div B: VOUT_ 5V/div C: VFAULT_ 5V/div D: IIN_ 2A/div MAX1940 toc17 1ms/div B A 5V 5V A: VON_ 5V/div B: VOUT_ 2V/div VSEL = 5V ROUT_ = 10 Ω COUT_ = 1 µF SWITCH TURN-ON TIME (tON + tRISE) MAX1940 toc18 1ms/div B A 5V 0 A: VON_ 5V/div B: VOUT_ 2V/div VSEL = 5V ROUT_ = 10 Ω COUT_ = 1 µF SWITCH TURN-ON TIME (tON + tFALL) Typical Operating Characteristics (continued) (Circuit of Figure 2, VIN_ = 5V, CIN_ = 0.1µF, COUT_ = 1µF, ON_ = SEL, TA = +25°C, unless otherwise noted.) |
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