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MAX8761 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX8761 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 25 page Low-Cost, Linear-Regulator LCD Panel Power Supplies _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1. VIN = VINL = VSUPCP = 12V, VOUTL = VSUPB = 10V, VSRC = 27V, TA = 0°C to +85°C. Typical values are at TA = +25°C, unless otherwise noted.) PARAMETER CONDITIONS MIN TYP MAX UNITS OPERATIONAL AMPLIFIER (MAX8710/MAX8711/MAX8761) SUPB Supply Operating Range 4.5 13.2 V SUPB Supply Current Buffer configuration, VPOSB = 4V, no load 0.7 1.0 mA Input Offset Voltage (VNEGB, VPOSB) = VSUPB / 2, TA = +25 °C0 12 mV Input Bias Current (VNEGB, VPOSB) = VSUPB / 2 -50 +1 +50 nA Common-Mode Input Range VNEGB, VPOSB 0VSUPB V Common-Mode Rejection Ratio 0 ≤ (VNEGB, VPOSB) < VSUPB 50 90 dB Open-Loop Gain 125 dB IOUTB = 100µA VSUPB - 15 VSUPB - 2 Output Voltage Swing High IOUTB = 5mA VSUPB - 150 VSUPB - 80 mV IOUTB = -100µA 2 15 Output Voltage Swing Low IOUTB = -5mA 80 150 mV Short to VSUPB / 2, sourcing 50 150 Short-Circuit Current Short to VSUPB / 2, sinking 50 140 mA Output Current Buffer configuration, VPOSB = 4V, VOUTB error < ±10mV ±40 mA Power-Supply Rejection Ratio 6V ≤ VSUPB ≤ 13.2V, DC (VNEGB, VPOSB) = VSUPB / 2 60 100 dB Slew Rate 12 V/µs -3dB Bandwidth Buffer configuration, RL = 10k Ω, CL = 10pF 12 MHz Gain-Bandwidth Product Buffer configuration, RL = 10k Ω, CL = 10pF 8 MHz POSITIVE CHARGE-PUMP REGULATOR FBP Regulation Voltage IGON = 10mA 2.425 2.500 2.575 V FBP Line-Regulation Error VOUTL (VSUPCP, MAX8710/MAX8761) = 10.8V~13.2V, VGON = 27V, IGON = 20mA 25 mV FBP Input Bias Current VFBP = 2.5V -50 +50 nA DRVP p-Channel On-Resistance 15 30 Ω VFBP = 2.4V 6 12 Ω DRVP n-Channel On-Resistance VFBP = 2.6V 20 k Ω FBP Fault Trip Level Falling edge 1.92 2.00 2.08 V Positive Charge-Pump Soft-Start Period 2 12 oscillator clock cycles in a 7-bit DAC 2.73 ms NEGATIVE CHARGE-PUMP REGULATOR FBN Regulation Voltage IGOFF = 10mA 200 250 300 mV FBN Input Bias Current VFBN = 250mV -50 +50 nA FBN Line Regulation VOUTL (VSUPCP, MAX8710/MAX8761) = 10.8V~13.2V, VVGOFF = -6V, IGOFF = -50mA 25 mV DRVN p-Channel On-Resistance 7.5 15 Ω |
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