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CS51312GDR16 Datasheet(PDF) 4 Page - Cherry Semiconductor Corporation |
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CS51312GDR16 Datasheet(HTML) 4 Page - Cherry Semiconductor Corporation |
4 / 18 page PARAMETER TEST CONDITIONS MIN TYP MAX UNIT 4 Electrical Characteristics: 0˚C < TA < 70˚C; 0˚C < TJ < 125˚C; 9V < VCC1 < 14V; 9V ≤ VCC2 ≤ 20V; 2.0V DAC Code(VID4 = VID3 =VID2 = VID1 = 0, VID0 = 1), CGATE(H) = CGATE(L) = 3.3nF, COFF = 390pF; Unless otherwise stated. Line Regulation 9V ≤ VCC1 ≤ 14V 0.01 %/V Input Threshold VID4, VID3, VID2, VID1, VID0 1.00 1.25 2.40 V Input Pull-up Resistance VID4, VID3, VID2, VID1, VID0 25 50 100 kΩ Pull-up Voltage 5.48 5.65 5.82 V s GATE(H) and GATE(L) High Voltage at 100mA Measure VCC1/2 –GATE(L)/(H) 1.2 2.1 V Low Voltage at 100mA Measure GATE(L)/(H) 1.0 1.5 V Rise Time 1.6V < GATE(H)/(L) < (VCC1/2 – 2.5V) 40 80 ns Fall Time (VCC1/2 – 2.5V) > GATE(L)/(H) > 1.6V 40 80 ns GATE(H) to GATE(L) Delay GATE(H)<2V, GATE(L)>2V, VCC1/2 = 12V 30 65 110 ns GATE(L) to GATE(H) Delay GATE(L)<2V, GATE(H)>2V,VCC1/2 = 12V 30 65 110 ns GATE pull-down Resistance to Gnd (Note 2) 20 50 115 kΩ s Overcurrent Protection OVC Comparator Offset Voltage 0V ≤ VOUT ≤ 3.5V 77 86 101 mV Discharge Threshold Voltage 0.2 0.25 0.3 V VOUT Bias Current 0.2V ≤ VOUT ≤ 3.5V -7.0 0.1 7.0 µA OVC Latch Discharge Current VCOMP = 1V 100 800 2500 µA s PWM Comparator PWM Comparator Offset Voltage 0V ≤ VFB ≤ 3.5V 0.99 1.10 1.23 V Transient Response VFB = 0 to 3.5V 200 300 ns s COFF Off-Time 1.0 1.6 2.3 µs Charge Current VCOFF = 1.5V 550 µA Discharge Current VCOFF = 1.5V 25 mA s Power-Good Output PWRGD Sink Current VFB = 1.7V, VPWRGD = 1V 0.5 4 15 mA PWRGD Upper Threshold % of nominal DAC code 5 8.5 12 % PWRGD Lower Threshold % of nominal DAC code -12 -8.5 -5 % PWRGD Output Low Voltage VFB = 1.7V, IPWRGD = 500µA 0.2 0.3 V s Overvoltage Protection (OVP) Output OVP Source Current OVP = 1V 1 10 25 mA OVP Threshold % of nominal DAC code 5 8.5 12 % OVP Pull-up Voltage IOVP = 1mA, VCC1 - VOVP 1.1 1.5 V |
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