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OZ960SN 数据表(PDF) 6 Page - O2Micro International Limited. |
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OZ960SN 数据表(HTML) 6 Page - O2Micro International Limited. |
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6 / 12 page ![]() OZ960 OZ960-DS-1.6 Page 6 Parameter Symbol Test Conditions Limits Unit Max. / Min. Overlap VDDA = 5V; Tamb = 25 oC Min Typ Max Min. Overlap between diagonal switches HF = 60kHz Ca=Cb=Cc=Cd=2nF (3) 3.0 4.5 5.5 % Max. Overlap between diagonal switches HF = 60kHz Ca=Cb=Cc=Cd=2nF (3) 78 81 84 % Brake before Make PDR_A / NDR_B See Table 1, below PDR_C / NDR_D See Table 1, below OZ960 OZ960 I Parameter Symbol Test Conditions Limits Unit Limits Unit Min Typ Max Min Typ Max Low Frequency Oscillator Initial accuracy fosc LCT = 6.8nF, LPWM = 50k (2) 160 220 250 Hz 150 220 340 Hz Supply SST current ISST 4.9 7.5 10 µA 4.9 6.0 12 µA CTIMR current ICTIMR 2.2 3.3 4.5 µA 2.0 3.0 5.2 µA Brake before Make PDR_A / NDR_B HF = 60kHz 250 380 530 ns 250 380 565 ns PDR_C / NDR_D HF = 60kHz 250 380 520 ns 250 380 545 ns Threshold Enable 1.35 1.50 1.65 V 1.25 1.50 1.65 V Note (1) CT: capacitor from CT (Pin 18) to ground RT: resistor from RT (Pin 17) to ground Note (2) LCT: capacitor from LCT (Pin 15) to ground LPWM: resistor from LPWM (Pin 13) to ground Note (3) Ca: capacitor from PDR_A (Pin 19) to VDDA Cb: capacitor from NDR_B (Pin 20) to ground Cc: capacitor from PDR_C (Pin 12) to VDDA Cd: capacitor from NDR_D (Pin 11) to ground Table 1. Low Frequency Oscillator, Supply and Brake before Make Specifications for OZ960 and OZ960 I |
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