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MAX8939EWVT Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX8939EWVT Datasheet(HTML) 6 Page - Maxim Integrated Products |
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6 / 43 page  6 ______________________________________________________________________________________ System Power Management for Mobile Handset ELECTRICAL CHARACTERISTICS (continued) (VBATT = 3.7V, VCHG_IN = 5.0V, circuit of Figure 1, TA = -40NC to +85NC, unless otherwise noted. Typical values are at TA = +25NC.) PARAMETER CONDITIONS MIN TYP MAX UNITS Load Regulation 50FA < ILOAD < 200mA 25 mV Power-Supply Rejection D VLDO1/DVBATT f = 10Hz to 10kHz, ILOAD = 30mA 60 dB Output Noise Voltage (RMS) 100Hz to 100kHz, ILOAD = 30mA 50 F VRMS Ground Current ILOAD = 500FA 21 F A Shutdown Discharge Time TOFF 90% to 10%, C = 4.7FF 1 ms Shutdown Output Impedance 50 80 I LDO2, LDO3 LDO2 Output Voltage Accuracy ILOAD = 1mA, default settings 1.746 1.8 1.854 V LDO3 Output Voltage Accuracy ILOAD = 1mA, default settings 2.716 2.8 2.884 V Maximum Output Current 200 mA Current Limit Output = 0V 400 700 mA Dropout Voltage ILOAD = 135mA 200 400 mV Line Regulation 3.4V P VBATT P 5.5V, ILOAD = 100mA 2.4 mV Load Regulation 50FA < ILOAD < 200mA 25 mV Power-Supply Rejection D VLDO_/DVBATT f = 10Hz to 10kHz, ILOAD = 30mA 60 dB Output Noise Voltage (RMS) 100Hz to 100kHz, ILOAD = 30mA 50 F VRMS Ground Current ILOAD = 500FA 21 F A Shutdown Discharge Time TOFF 90% to 10%, C = 1FF 1 ms Shutdown Output Impedance 100 150 I LDO4 LDO4 Output Accuracy ILOAD = 1mA default setting 2.716 2.8 2.884 V Maximum Output Current 100 mA Current Limit VLDO4 = 0V 200 400 mA Dropout Voltage ILOAD = 70mA 200 400 mV Line Regulation 3.4V P VBATT P 5.5V, ILOAD = 50mA 2.4 mV Load Regulation 50FA < ILOAD < 100mA 25 mV Power-Supply Rejection D VLDO4/DVBATT f = 10Hz to 10kHz, ILOAD = 30mA 60 dB Output Noise 100Hz to 100kHz, ILOAD = 30mA 50 F VRMS Ground Current ILOAD = 500FA 25 F A Shutdown Discharge Time TOFF 90% to 10%, C = 1FF 1 ms Shutdown Output Impedance 100 150 I OUT2 WLED STEP-UP CONVERTER Input Supply Voltage 2.9 5.5 V Input Supply Current 2MHz, no load 2 2.5 mA OUT2 Leakage Current TA = +25NC, VOUT2 = 28V, shutdown 0.1 1 F A TA = +85NC, VOUT2 = 28V, shutdown 0.1 |
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