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CS5422GDR16 数据表(PDF) 4 Page - ON Semiconductor |
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CS5422GDR16 数据表(HTML) 4 Page - ON Semiconductor |
4 / 17 page CS5422 http://onsemi.com 4 ELECTRICAL CHARACTERISTICS (0°C < TA < 70°C; 0°C < TJ < 125°C; ROSC = 30.9 k, CCOMP1,2 = 0.1 μF, 10.8 V < VCC < 13.2 V; 10.8 V < BST < 20 V, CGATE(H)1,2 = CGATE(L)1,2 = 1.0 nF, unless otherwise specified.) Characteristic Test Conditions Min Typ Max Unit Error Amplifier VFB1(2) Bias Current VFB1(2) = 0 V − 0.5 1.6 μA VFB1(2) Input Range − 0 − 1.1 V COMP1,2 Source Current COMP1,2 = 1.2 V to 2.5 V; VFB1(2) = 0.8 V 15 30 60 μA COMP1,2 Sink Current COMP1,2 = 1.2 V; VFB1(2) = 1.2 V 15 30 60 μA Reference Voltage 1(2) COMP1 = VFB1; COMP2 = VFB2 0.980 1.000 1.020 V COMP1,2 Max Voltage VFB1(2) = 0.8 V 3.0 3.3 − V COMP1,2 Min Voltage VFB1(2) = 1.2 V − 0.25 0.35 V Open Loop Gain − − 95 − dB Unity Gain Band Width − − 40 − kHz PSRR @ 1.0 kHz − − 70 − dB Transconductance − − 32 − mmho Output Impedance − − 2.5 − MΩ GATE(H) and GATE(L) High Voltage (AC) Measure: VCC − GATE(L)1,2; BST − GATE(H)1,2; Note 2 − 0 0.5 V Low Voltage (AC) Measure:GATE(L)1,2 or GATE(H)1,2; Note 2 − 0 0.5 V Rise Time 1.0 V < GATE(L)1,2 < VCC − 1.0 V 1.0 V < GATE(H)1,2 < BST − 1.0 V, BST ≤ 14 V − 20 50 ns Fall Time VCC − 1.0 > GATE(L)1,2 > 1.0 V BST − 1.0 > GATE(H)1,2 > 1.0 V, BST ≤ 14 V − 15 50 ns GATE(H) to GATE(L) Delay GATE(H)1,2 < 2.0 V, GATE(L)1,2 > 2.0 V BST ≤ 14 V 20 40 70 ns GATE(L) to GATE(H) Delay GATE(L)1,2 < 2.0 V, GATE(H)1,2 > 2.0 V; BST ≤ 14 V 20 40 70 ns GATE(H)1(2) and GATE(L)1(2) pull−down. Resistance to GND Note 2 50 125 280 kΩ PWM Comparator Transient Response COMP1,2 = 1.0 V, VFB1(2) = 0 to 1.2 V − 150 300 ns PWM Comparator Offset VFFB1(2) = 0 V; Increase COMP1,2 until GATE(H)1,2 starts switching 0.30 0.45 0.60 V Artificial Ramp Duty cycle = 50%, Note 2 40 70 100 mV Minimum Pulse Width Note 2 − − 300 ns Oscillator Switching Frequency ROSC = 61.9 k; Measure GATE(H)1; Note 2 112 150 188 kHz Switching Frequency ROSC = 30.9 k; Measure GATE(H)1 224 300 376 kHz Switching Frequency ROSC = 15.1 k; Measure GATE(H)1; Note 2 450 600 750 kHz ROSC Voltage ROSC = 30.9 k, Note 2 0.970 1.000 1.030 V Phase Difference − − 180 − ° 2. Guaranteed by design, not 100% tested in production. |
类似零件编号 - CS5422GDR16 |
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类似说明 - CS5422GDR16 |
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