전자부품 데이터시트 검색엔진 |
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CS51312 데이터시트(PDF) 5 Page - Cherry Semiconductor Corporation |
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CS51312 데이터시트(HTML) 5 Page - Cherry Semiconductor Corporation |
5 / 18 page 5 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT 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. Block Diagram s General Electrical Specifications VCC1 Monitor Start Threshold 7.9 8.4 8.9 V VCC1 Monitor Stop Threshold 7.6 8.1 8.6 V Hysteresis Start - Stop 0.15 0.30 0.60 V VCC1 Supply Current No Load on GATE(H), GATE(L) 9.5 16 mA VCC2 Supply Current No Load on GATE(H), GATE(L) 2.5 4.5 mA Note 1: The IC power dissipation in a typical application with VCC = 12V, switching frequency fSW = 250kHz, 50nc MOSFETs and RθJA = 115°C/W yields an operating junction temperature rise of approximately 52°C, and a junction tem- perature of 77°C with an ambient temperature of 25°C. Note 2: Guaranteed by design, not 100% tested in production. + - + - + - VFB COMP COFF OFF TIME PWM COMP DISCHARGE COMP VOUT VID0 VID1 VID2 VID3 VID4 DAC + - - - 1.1V EA CURRENT LIMIT 86mV 0.25V FAULT LATCH R S Q VCC1 OVP PWRGD Gnd GATE(L) GATE(H) VCC1 UVLO NONOVERLAP LOGIC + - VCC2 |
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