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PI5PD2557 Datasheet(PDF) 3 Page - Pericom Semiconductor Corporation |
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PI5PD2557 Datasheet(HTML) 3 Page - Pericom Semiconductor Corporation |
3 / 12 page ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 2015-08-0011 PT0497-4 08/31/15 3 PI5PD2556/2557 Precision Adjustable Current-Limited Power Switch DC Electrical Characteristics VI(IN)= 5.0V; TA=-40°C to +85°C; unless otherwise specified. Sym Description Test Conditions (1) Min Typ Max Unit Power Switch RDS(on) Static drain-source on-state resistance - - 22 35 mΩ tr Rise time, output VI(IN) = 5.0V CL = 1F, RL = 100Ω 1 2 4 ms VI(IN) = 2.5V 0.5 1 3 tf Fall time, output VI(IN) = 5.0V 0.3 0.5 1.0 VI(IN) = 2.5V 0.2 0.4 0.6 Enable EN VIH High-level input voltage 2.5 V ≤ VI(IN) ≤ 5.5 V 1.1 - - V VIL Low-level input voltage 2.5 V ≤ VI(IN) ≤ 5.5 V - - 0.6 ton Turn on time CL = 1F, RL = 100Ω - - 5 ms toff Turn off time - - 2 Current Limit IOS Current-limit threshold @ VOUT = VIN * 0.8 RILIM=27.4 kΩ 3750 4040 4260 mA RILIM=61.9kΩ 1590 1785 1960 RILIM=100kΩ 935 1100 1260 I OC_TRIP Overcurrent trip threshold VIN = 5 V, current ramp (≤ 100 A/s) on OUT RILIM=27.4kΩ 3800 4500 5000 VIN = 5 V, current ramp (≤ 100 A/s) on OUT RILIM=100kΩ 950 1250 1500 tIOS Response time to short circuit VIN = 5.0V - 3.5 - s Supply Current ISTB Input supply current at output disable No load on OUT, VEN=disable TA =25°C - 0.1 2 A ISS Input supply current at output enable No load on OUT, VEN=5.0V , TA=25°C RILIM=24.9kΩ - 95 120 RILIM=100kΩ - 85 110 IREV Reverse Leakage Current VOUTx=5.5V, VIN=0V, TA=25°C - 0.01 1.0 Under Voltage Lockout UVLO Low-level input voltage VIN Rising - 2.35 2.45 V Hysteresis for low-level input voltage TA=25°C - 35 - mV /FAULT FLAG VOL Output low voltage I/FAULT =1mA - - 180 mV IOFF Off-state leakage V/FAULT =5.5V - - 1 A TD /FAULT deglitch FAULT assertion or de-assertion due to over-current condition 4 9 15 ms Thermal Shutdown OTSD2 Thermal shutdown threshold - - 155 - °C OTSD Thermal shutdown threshold in current- limit - - 135 - Hysteresis - - 20 - Note: Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately. |
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