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MAX1960EEP Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX1960EEP Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 29 page 2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VVCC = 3.3V, Circuits of Figures 9–12, TA = 0°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.) PARAMETER CONDITIONS MIN TYP MAX UNITS 2.7V ≤ VVCC ≤ 5.5V, ILOAD = 1mA to 50mA 4.75 5.25 V 2.35V ≤ VVCC ≤ 2.7V, ILOAD = 1mA to 35mA, C1 = 4.7 µF, C6 = 22µF (Note 1) 4.45 5.25 V VDD Output Voltage 2.35V ≤ VVCC ≤ 3.6V with tripler, ILOAD = 1 to 50mA (circuit of Figure 12) (Note 1) 4.75 5.25 V Reference Voltage (No Load) 1.269 1.280 1.291 V Reference Load Regulation -50 µA to +50µA3 mV VOUT = 0.8V 44 53 62 VOUT = 2.0V 45 50 55 Positive Current-Limit Threshold (VPGND - VLX) MAX1962 VOUT = 3.3V 38 48 58 mV Negative Current-Limit Threshold (VLX - VPGND) MAX1962, VOUT = 0.8V to 3.3V 38 50 68 mV CS Bias Current MAX1962, VCS = 3.3V 20 50 µA OUT Bias Current MAX1961/MAX1962, VOUT = 3.3V 30 50 µA Current-Limit Threshold (Positive Direction, Fixed, VPGND - VLX) MAX1960/MAX1961, ILIM = VDD 58 74 90 mV Current-Limit Threshold (Negative Direction, Fixed, VLX - VPGND) MAX1960/MAX1961, ILIM = VDD 50 67 85 mV MAX1960/MAX1961, RILIM = 160k Ω 100 114 135 Current-Limit Threshold (Positive Direction, Adjustable, VPGND - VLX) RILIM = 400k Ω 250 279 306 mV MAX1960/MAX1961, RILIM = 160k Ω 90 107 125 Current-Limit Threshold (Negative Direction, Adjustable, VLX - VPGND) RILIM = 400k Ω 245 271 296 mV Thermal-Shutdown Threshold 15 °C hysteresis +160 °C DH Gate-Driver On-Resistance VBST - VLX = 5V, pulling up or down 1.8 3.5 Ω DL Gate-Driver On-Resistance (Pullup) DL high state 1.8 3.5 Ω DL Gate-Driver On-Resistance (Pulldown) DL low state 0.5 1.6 Ω DH falling to DL rising 35 Minimum Adaptive Dead Time DH rising to DL falling 26 ns Minimum high time (Note 1) 200 FSET/SYNC Pulse Width Minimum low time (Note 1) 200 ns FSET/SYNC Rise/Fall Time (Note 1) 100 ns CTL_, FSET/SYNC, EN Input High Voltage VVCC = 2.35V to 5.5V 2.0 V CTL_, FSET/SYNC, EN Input Low Voltage VVCC = 2.35V to 5.5V 0.8 V CTL_, FSET/SYNC, EN Input Current -1 +1 µA CLKOUT VOL Sinking 1mA 0.01 0.1 V CLKOUT VOH Sourcing 1mA VVCC - 0.2V VVCC - 0.01V V CLKOUT Rise/Fall Time CLOAD = 100pF (Note 1) 40 ns |
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