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ML4890ES-3 Datasheet(PDF) 3 Page - Micro Linear Corporation |
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ML4890ES-3 Datasheet(HTML) 3 Page - Micro Linear Corporation |
3 / 12 page 3 ML4890 Storage Temperature Range .................... –65 °C to +150°C Lead Temperature (Soldering 10s) .......................... +260 °C Thermal Resistance ( θJA) Plastic SOIC .................................................... 110 °C/W OPERATING CONDITIONS Temperature Range ML4890CS-X ............................................ 0 °C to +70°C ML4890ES-X ......................................... –20 °C to +70°C VIN Operating Range ML4890CS-X ................................................ 1.0V to 6V ML4890ES-X ................................................. 1.1V to 6V ABSOLUTE MAXIMUM RATINGS Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. VBOOST ........................................................................ 7V Voltage on Any Other Pin ... GND –0.3V to VBOOST +0.3V Peak Switch Current (IPEAK) .......................................... 1A Average Switch Current (IAVG) ............................... 500mA LDO Output Current ............................................. 250mA Junction Temperature .............................................. 150 °C ELECTRICAL CHARACTERISTICS Unless otherwise specified, VIN = Operating Voltage Range, TA = Operating Temperature Range. (Note 1) PARAMETER CONDITIONS MIN TYP. MAX UNITS Supply VIN Current VIN = 6V 60 75 µA SHDN = high 15 25 µA VOUT Quiescent Current VBOOST = VOUT + 0.5V 8 10 µA VL Quiescent Current 1 µA Reference Output Voltage (VREF) 0 < IPIN2 < –5µA, 195 200 205 mV PFM Regulator Pulse Width (TON) 4.5 5 5.5 µs LDO DC Output Voltage (VOUT) ML4890-5 VBOOST = VOUT + 0.5V, IOUT < 200mA 4.85 5.0 5.15 V ML4890-3 VBOOST = VOUT + 0.5V, IOUT < 100mA 3.2 3.3 3.4 V ML4890-T VBOOST = VOUT + 0.5V, IOUT < 80mA 2.91 3.0 3.09 V Load Regulation ML4890-5 See Figure 1 VIN = 1.2V, IOUT < 7mA 4.85 5.0 5.15 V VIN = 2.4V, IOUT < 50mA 4.85 5.0 5.15 V ML4890-3 VIN = 1.2V, IOUT < 14mA 3.2 3.3 3.4 V VIN = 2.4V, IOUT < 75mA 3.2 3.3 3.4 V ML4890-T VIN = 1.2V, IOUT < 15mA 2.91 3.0 3.09 V VIN = 2.4V, IOUT < 60mA 2.91 3.0 3.09 V Dropout Voltage ML4890-5 See Figure 1 VIN = 1.2V, IOUT < 7mA 300 mV VIN = 2.4V, IOUT < 50mA 500 mV ML4890-3 VIN = 1.2V, IOUT < 14mA 300 mV VIN = 2.4V, IOUT < 75mA 500 mV ML4890-T VIN = 1.2V, IOUT < 15mA 300 mV VIN = 2.4V, IOUT < 60mA 500 mV Output Ripple 5mVP-P Shutdown SHDN Threshold 0.5 0.8 1.0 V SHDN Bias Current –100 100 nA Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst case conditions. |
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