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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TPS658620ZQZ датащи(PDF) 9 Page - Texas Instruments |
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TPS658620ZQZ датащи(HTML) 9 Page - Texas Instruments |
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9 / 104 page  TPS658620 Advanced Power Management Unit www.ti.com SLVS993 – OCTOBER 2009 ELECTRICAL CHARACTERISTIC (continued) over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SM0, low range, 25mV VO(SMx)TYP = 0.725 to 1.50 steps SM1, low range, 25mV VIN_SMx = 2.9V to 5.5V VO(SMx)TYP = 0.725 to 1.50 V Adjustable output voltage range, Selectable via I 2C steps SM2, high range, 50mV VO(SMx)TYP =3.0 to 4.55 steps VO(SMx) VIN_SMx = 2.9V to 5.5V, PFM mode –1% 1% 3% Output Voltage Accuracy, relative to VO(SMx)TYP VIN_SMx = 2.9V to 5.5V, PWM mode, 0mA < IOUT< 1A –2% 2% DC output voltage load regulation PWM mode, VIN_SMn>2.7V, Load<1A 0.25 %/A DC output voltage line regulation VIN_SMx = VOUT + 0.5V (min. 2.5V), PWM mode VIN_SMn>2.7V, Load<1A 0.1 %/V SM0, SM1: typical values:Instantaneous, 0.11, KRAMP(SMx) Voltage change ramp constant mV/ µs Value set via I 2C, available options: 0.22, 0.44, 0.88, 1.76, 3.52, 7.04 Time to start switching, measured from end of I 2C command enabling tStart Start-up time 210 µs converter tRamp VOUT Ramp UP time Time to ramp from 5% to 95% of VOUT 250 µs RDCH Discharge switch resistance SMx disabled 250 Ω VIN_SM IPFM(ENTER) Load current to enter PFM mode VIN_SMx = 2.9V to 5.5V, duty cycle > 85% x/ A 34 Ω CLC External LC capacitor 4.7 22 µF LLC External LC inductor 1.5 4.7 µH CSMINP External Input capacitor 10 47 µF LDO’S : LDO0, LDO1, LDO2, LDO3, LDO4, LDO5, LDO6, LDO7, LDO8, LDO9 Electrical characteristics over the output current range IO(LDOx) 2.3 5.5 VINMIN Input voltage range V Electrical characteristics specified , max load current = 75mA 1.7 5.5 IO(LDOx) Output current 300 mA Available output voltages: Output Voltage, Selectable via I 2C. LDO6, LDO0, LDO3, LDO5, V(LDO6)TYP = 1.25, 1.5, 1.8, V LDO7,LDO8,LDO9 2.5, 2.7, 2.85, 3.1,3.3 Low range, 25mV steps V(LDO1)TYP = 0.725 to 1.5 LDO1 Output Voltage, Selectable via I 2C LDO4 Output Voltage, Selectable via High range, 25mV steps V(LDO4)TYP = 1.7 to 2.475 V Low range, 25mV steps V(LDO2)TYP= 0.725 to 1.5 LDO2 Output Voltage, Selectable via I 2C Dropout, V(IN)= V(LDOx)TYP - 0.1V , V(IN)=2.3V, 250mA load. 1 LDO active at 415 mV a time per input pin group (1) V(LDOx) LDOx Output Voltage, Selectable via I 2C Total accuracy, V(VIN_LDOx)= V(LDOx)TYP + 0.5V, 10mA → 250 mA See (2) 3.5% Line Regulation, 100mA load, V(VIN_LDOx): –0.5% 0.5% V(LDOx) TYP + 0.5V→ 4.7V Load regulation, load change from 10mA → 250 mA See (3) % V(VIN_LDOx)> V(LDOx) TYP + 0.5V 250mA load, 1V input to output ,CL = 4.7 µF 40 PSRR(LDOx) PSRR at 20 kHz dB 100mA load, 0.5V input to output, CL = 1 µF 40 ISC(LDOx) Short circuit current limit Output grounded (2) LDOnILIM=HI 400 700 mA RDCH(LDOx) Discharge resistor LDOx disabled 415 Ω KRAMP(LDOx) Voltage change ramp constant LDO2, LDO4 only. Fixed value, hardwired at top level 7.04 mV/ µs load <100 mA 1 µF CCOMP External output capacitor value Stable operation 0.01 µF/mA, min cap value = load>100 mA 1 µF Power good threshold LDO output voltage increasing 95% PGOOD(LDO) Hysteresis Decreasing voltage from increasing trigger 5% (1) Dropout not measured for devices with V(IN)<2.3V because minimum VIN is 2.3V (2) MIN = –3.2 – (0.105 × I LOAD / V(LDOX)TYP), ILOAD = load current in mA (3) MIN = –2.5 – (0.105 × I LOAD, ILOAD = load current in mA Submit Documentation Feedback Electrical Specifications 9 |
Аналогичный номер детали - TPS658620ZQZ |
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Аналогичное описание - TPS658620ZQZ |
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