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IXD3235 Datasheet(PDF) 2 Page - Zilog, Inc. |
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IXD3235 Datasheet(HTML) 2 Page - Zilog, Inc. |
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2 / 27 page  Product Specification IXD3235/36/37 PS034201-0515 PRELIMINARY 2 ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNITS VIN Pin Voltage VIN – 0.3 ~ 6.5 V LX Pin Voltage VLX – 0.3 ~ V IN + 0.3 1 V VOUT Pin Voltage VOUT – 0.3 ~ 6.5 V FB Pin Voltage VFB – 0.3 ~ 6.5 V CE/MODE Pin Voltage VCE – 0.3 ~ 6.5 V Lx Pin Current ILX ±1500 mA Power Dissipation SOT-25 PD 250 mW USP-6C 120 USP-6EL 120 WLP-5-03 750 Operating Temperature Range TOPR – 40 ~ + 85 0C Storage Temperature Range TSTG – 50 ~ +125 0C ELECTRICAL OPERATING CHARACTERISTICS IXD3235/36/37 A series, VOUT = 1.8 V, Ta = 250C PARAMETER SYMBOL CONDITIONS MIN. TYP. MAX. UNIT CIRCUIT Operating Voltage Range VIN 2.0 - 6.0 V Output Voltage VOUT VIN = VCE = 5.0 V, IOUT = 30 mA 1.764 1.800 1.836 V Maximum Output Current IOUT_MAX VIN = VOUT(E) + 2.0 V, VCE = 1.0 V 9) 600 mA UVLO Voltage VUVLO VCE = VIN, VOUT = 0 1), 11) 1.00 1.40 1.78 V Supply Current IXD323xA18Cxx IQ VIN = VCE = 5.0 V, VOUT = VOUT(E) x 1.1 V 15 33 µA IXD323xA18Dxx 21 35 Standby Current ISTB VIN = 5.0 V, VCE = 0 V, VOUT = VOUT(E) x 1.1 V 0 1.0 µA Oscillation Frequency IXD323xA18Cxx fOSC VIN = VOUT(E) + 2 V, VCE = 1.0 V, IOUT = 100 mA 1020 1220 1380 kHz IXD323xA18Dxx 2550 3000 3460 PFM Switching Current IXD323xA18Cxx IPFM 12) VIN = VCE = VOUT(E) + 2 V, , IOUT = 1 mA (see table A) 120 160 200 mA IXD323xA18Dxx 170 220 270 P-channel ON time maximum tPON_MAX 12) VIN = VCE = (see table B), IOUT = 1 mA 2Dmax 3DMAX Maximum Duty Cycle Ratio DMAX VIN = VCE = 5.0 V, VOUT = VOUT(E) x 0.9 V 100 % Minimum Duty Cycle Ratio DMIN VIN = VCE = 5.0 V, VOUT = VOUT(E) x 1.1 V 0 % Efficiency 2) IXD323xA18Cxx EFFI VIN = VCE = VOUT(E) + 1.2 V, IOUT = 100 mA 92 % IXD323xA18Dxx 86 LX “H” ON Resistance 1 3) RLXH1 VIN = VCE = 5.0 V, VOUT = 0 V, ILX = 100 mA 0.35 0.55 Ω LX “H” ON Resistance 2 3) RLXH2 VIN = VCE = 3.6 V, VOUT = 0 V, ILX = 100 mA 0.42 0.67 Ω LX “L” ON Resistance 1 4) RLXL1 VIN = VCE = 5.0 V 0.45 0.65 Ω LX “L” ON Resistance 2 4) RLXL2 VIN = VCE = 3.6 V 0.52 0.77 Ω LX “H” Leakage Current 5) ILXH VIN = VCE = 5.0 V, VOUT = 0 V, VLX = 5.0 V 0.01 1.0 µA LX “L” Leakage Current 5) ILXH VIN = VCE = 5.0 V, VOUT = 0 V, VLX = 5.0 V 0.01 1.0 µA Current Limit 10) ILIM VIN = VCE = 5.0 V, VOUT = VOUT(E) x 0.9 V 8) 900 1050 1350 mA Output Voltage Temperature Characteristics -40 0C ≤ T OPR ≤ 85 0C, I OUT = 30 mA ±100 ppm/ 0C CE “H” Voltage 14) VCEH VOUT = 0 V 0.65 6.0 V CE “L” Voltage 15) VCEL VOUT = 0 V 0 0.25 V PWM mode Start Voltage 6), 13) VPWM IOUT = 1 mA VIN -1.0 PWM/PFM mode Start Voltage 6), 13) VPFM IOUT = 1 mA VIN – 0.25 CE “H” Current IENH VIN = VCE = 5.0 V, VOUT = 0 V -0.1 0.1 µA |
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