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STPMIC1 数据表(PDF) 13 Page - STMicroelectronics |
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STPMIC1 数据表(HTML) 13 Page - STMicroelectronics |
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13 / 140 page  Symbol Parameter Test conditions Min. Typ. Max. Unit ILDO6IN_LKG Input leakage current LDO OFF 0.5 1 µA VLDO6DROP Dropout voltage VLDO6OUT = 2.9 V, ILDO6OUT=150 mA 160 300 mV VLDO6OUT-LO Load transient regulation ΔILDO6OUT = 75 mA, ΔVLDO6IN = 0, tR = tF ~1 µs 30 mV VLDO6OUT-LI Line transient regulation ΔVLDO6IN = 600 mV, ΔILDO6OUT = 0, tR = tF ~10 μs 5 mV PSRRLDO6 Power supply rejection ratio ΔVLDO6IN = 300 mVPP, f=[0.1:20] kHz 55 dB ΔVLDO6IN = 300 mVPP, f=[20:100] kHz 40 tSSLDO6 Soft-start duration 2.8 V<VLDO6IN<5.5 V, 0<ILDO6OUT<1 mA 100 µs tSDLDO6 Shutdown duration PD on, VLDO6OUT=1.8 V to VLDO6OUT<0.2 V, ILDO6OUT<1 mA, VIN=3.6 V, COUT=4.7 µF 3 ms REFDDR VREFOUT= VOUT2/2= 0.675 V, Tj = -40 °C to +125 °C, recommended BOM, unless otherwise specified VREFOUT Output voltage 0.1 mA<IREFOUT<5 mA VOUT2/2 V VREF-ACC Output voltage accuracy IREF = 0.1 mA -1 1 % IREFOUT Output current capability 5 mARMS IREFLIM Load current limitation ±10 ±25 ±50 mA IREFQ Quiescent current IREFOUT = 0 mA, TJ = +25 °C 30 µA tSSREF Soft-start duration 0.1 mA<IREF<1 mA 100 µs tSDREF Shutdown duration PD on, VREFOUT=0.6 V to VREFOUT<0.2 V, IREFOUT<0.1 mA, VIN=3.6 V, COUT=1 µF 3 ms Buck converter 1 VBUCK1IN = 3.6 V, VOUT1 = 1.2 V, recommended BOM, Tj= -40 °C to +125 °C , unless otherwise specified VBUCK1IN Main input voltage range 2.8 5.5 V VOUT1 Output voltage Programmable value, refer to Table 10. BUCK output settings 0.725 to 1.5 V Voltage programming step 25 mV VOUT1-ACC Output voltage accuracy VBUCK1IN= 2.8 V to 5.5 V, VOUT1 = 0.725 V to 1.5 V % HP mode IBK1OUT = 0 to 1.5 A -2 2 LP mode IBK1OUT = 0 to 50 mA -4 4 VOUT1-RIPP Output voltage ripple IBK1OUT = 0 mA, HP mode, TA = +25 °C 10 mV IBK1OUT = 1500 mA, HP mode, TA = +25 °C 5 IOUT1 Continuous output current 2.8<VBUCK1IN<5.5 V, HP mode 1500 mA 2.8< VBUCK1IN<5.5 V, LP mode 50 IOUT1_LP_PEAK Peak output current in LP mode 2.8< VBUCK1IN<5.5 V, tPEAK < 10 us 200 IBK1LIM Inductor peak current limit 2 A STPMIC1 Electrical and timing parameters DS12792 - Rev 7 page 13/140 |
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