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CS51221EDR16 Datasheet(PDF) 4 Page - Cherry Semiconductor Corporation |
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CS51221EDR16 Datasheet(HTML) 4 Page - Cherry Semiconductor Corporation |
4 / 12 page Electrical Characteristics: -40˚C < TA < 85˚C; -40˚C < TJ < 125˚C; 3V < VC < 15V; 4.7V < VCC < 15V; Rt=12K, Ct=390pF Unless otherwise stated. 4 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT s Oscillator Frequency Accuracy 260 273 320 kHz Voltage Stability 1 2 % Temperature Stability (Note 1) -40˚C < TJ < 125˚C8 % Max Frequency (Note 1) 1 MHz Duty Cycle 80 85 90 % Peak Voltage (Note 1) 1.94 2.00 2.06 V Valley Clamp Voltage 0.90 0.95 1.00 V Valley Voltage (Note 1) 0.85 1.00 1.15 V Discharge Current 0.85 1.00 1.15 mA s Synchronization Input Threshold 0.9 1.4 1.8 V Output Pulse Width 200 320 450 ns Output High Voltage 100µA Load 2.1 2.5 2.8 V Input Resistance 35 70 140 kΩ SYNC to Drive Delay Time from SYNC to 100 140 180 ns GATE Shutdown Output Drive Current RSYNC = 1Ω 1.00 1.50 2.25 mA s GATE Driver High Saturation Voltage VC-GATE, VC = 10V, 1.5 2.0 V ISOURCE = 200mA Low Saturation Voltage GATE-PGnd, ISINK = 200mA 1.2 1.5 V High Voltage Clamp 11.0 13.5 16.0 V Output Current 1 nF load (Note 1) 1 1.25 A Output UVL Leakage GATE = 0V 1 50 µA Rise Time 1nF load, VC = 20V, 1V < GATE < 9V 60 100 ns Fall Time 1nF load, VC = 20V, 9V < GATE < 1V 25 50 ns Max Gate Voltage IGATE = 500µA .4 .7 1.0 V during UVL/Sleep s FeedForward (FF) Discharge Voltage IFF = 2mA 0.3 0.7 V Discharge Current FF = 1V 2 16 30 mA FF to GATE Delay 50 75 125 ns |
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