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STBB1PUR 数据表(PDF) 7 Page - STMicroelectronics |
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STBB1PUR 数据表(HTML) 7 Page - STMicroelectronics |
7 / 21 page STBB1XX Electrical characteristics Doc ID 15474 Rev 5 7/21 5 Electrical characteristics VIN = VINA = VEN = 3.6 V, CIN = 10 µF, COUT = 10 µF, L = 2.2 µH, TJ = - 40 to 85°C (unless otherwise specified; typical values are referred to TA = 25 °C). Table 6. Electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit VIN Input voltage range 2.0 5.5 V VUVLO Under voltage lockout threshold VINA rising 1.70 1.80 V VINA falling 1.50 1.60 VFB Feedback voltage 485 500 515 mV TJ = 25°C 490 500 510 mV VOUT Output voltage range 1.2 5.5 V ZFB FB input impedance 10 M Ω IQ No switching quiescent current (VIN+VINA) (see Figure 3, 4) FB = 0.7 V, VMODE = 0 V 160 250 µA FB = 0.7 V, VMODE = VIN 600 750 IQ Operating quiescent current (VIN+VINA) IOUT = 0 A, VOUT = 3.3 V, VMODE = 0 V 200 µA IOUT = 0 A, VOUT = 3.3 V, VMODE = VIN 3.4 5.0 mA IQSHDN Shutdown quiescent current VEN = 0 V, VIN = 3.6 V 0.1 1 µA freq Oscillator frequency 1300 1500 1750 kHz Frequency range for synchronization 1300 2000 VEN Enable input logic low VIN = 2.2 V to 5.5 V 0.4 V Enable input logic high VIN = 2.2 V to 5.5 V 1.2 IEN Enable pin current VEN = 5.5 V 0.01 1 µA VMODE/SYNC MODE/SYNC input logic low VIN = 2.2 V to 5.5 V 0.4 V MODE/SYNC input logic high VIN = 2.2 V to 5.5 V 1.2 IMODE/SYNC MODE/SYNC pin current VMODE/SYNC = 5.5 V 0.01 1 µA %VOUT Line regulation 2.2 V < VIN < 5.5 V; IOUT = 1 mA 0.5 % %VOUT Load regulation 10 mA < IOUT < 1000 mA 1 % ISWL Switch current limitation VIN = 3.3 V 1.6 2.3 2.6 A ILKN NMOS leakage current VIN = 5.5 V 0.01 1 µA ILKP PMOS leakage current 0.01 1 µA RDSon-N NMOS switch on resistance 0.13 0.35 Ω RDSon-P PMOS switch on resistance 0.13 0.35 Ω |
类似零件编号 - STBB1PUR |
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类似说明 - STBB1PUR |
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