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CS51412G датащи(PDF) 3 Page - ON Semiconductor |
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CS51412G датащи(HTML) 3 Page - ON Semiconductor |
3 / 16 page CS51411, CS51412, CS51413, CS51414 http://onsemi.com 3 MAXIMUM RATINGS Pin Name VMax VMIN ISOURCE ISINK VIN 40 V –0.3 V N/A 4.0 A BOOST 40 V –0.3 V N/A 100 mA VSW 40 V –0.6 V/–1.0 V, t < 50 ns 4.0 A 10 mA VC 7.0 V –0.3 V 1.0 mA 1.0 mA SHDNB 7.0 V –0.3 V 1.0 mA 1.0 mA SYNC 7.0 V –0.3 V 1.0 mA 1.0 mA BIAS 7.0 V –0.3 V 1.0 mA 50 mA VFB 7.0 V –0.3 V 1.0 mA 1.0 mA GND 7.0 V –0.3 V 50 mA 1.0 mA ELECTRICAL CHARACTERISTICS (–40 °C < TJ < 125°C (CS51411E/2E/3E/4E); –40°C < TA < 85°C (CS51411E/2E/3E/4E); 0 °C < TA < 70°C (CS51411G/2G/3G/4G), 4.5 V< VIN < 40 V; unless otherwise specified.) Characteristic Test Conditions Min Typ Max Unit Oscillator Operating Frequency CS51411/CS51412 224 260 296 kHz Operating Frequency CS51413/CS51414 446 520 594 kHz Frequency Line Regulation – – 0.05 0.15 %/V Maximum Duty Cycle – 85 90 95 % VFB Frequency Foldback Threshold – 0.29 0.32 0.36 V PWM Comparator Slope Compensation Voltage CS51411/CS51412, Fix VFB, ∆VC/∆TON CS51413/CS51414 8.0 25 17 50 26 75 mV/ µs mV/ µs Minimum Output Pulse Width CS51411/CS51412, VFB to VSW CS51413/CS51414, VFB to VSW – – 150 – 300 230 ns ns Power Switch Current Limit VFB > 0.36 V 1.6 2.3 3.0 A Foldback Current VFB < 0.29 V 0.9 1.5 2.1 A Saturation Voltage IOUT = 1.5 A, VBOOST = VIN + 2.5 V 0.4 0.7 1.0 V Current Limit Delay Note 2 – 120 160 ns Error Amplifier Internal Reference Voltage – 1.244 1.270 1.296 V Reference PSRR Note 2 – 40 – dB FB Input Bias Current – – 0.02 0.1 µA Output Source Current VC = 1.270 V, VFB = 1.0 V 15 25 35 µA Output Sink Current VC = 1.270 V, VFB = 2.0 V 15 25 35 µA Output High Voltage VFB = 1.0 V 1.39 1.46 1.53 V Output Low Voltage VFB = 2.0 V 5.0 20 60 mV Unity Gain Bandwidth Note 2 – 500 – kHz Open Loop Amplifier Gain Note 2 – 70 – dB Amplifier Transconductance Note 2 – 6.4 – mA/V 2. Guaranteed by design, not 100% tested in production. |
Аналогичный номер детали - CS51412G |
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Аналогичное описание - CS51412G |
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