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LD3986 데이터시트(PDF) 4 Page - STMicroelectronics |
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LD3986 데이터시트(HTML) 4 Page - STMicroelectronics |
4 / 12 page LD3986 SERIES 4/12 Table 5: Electrical Characteristics For LD3986 (Tj = 25°C, VI = VO(NOM) +0.5V, CI = CO =1µF, CBYP = 10nF, IO = 1mA, VEN = 1.4V, unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit VI Operating Input Voltage 2.5 6 V ∆V O Output Voltage Tolerance IO = 1mA -2.5 2.5 % of VO TJ= -40 to 125°C -3 3 ∆V O Line Regulation (Note 1) VI = VO(NOM) + 0.5 V to 6V 0.006 0.092 %/V TJ= -40 to 125°C 0.128 ∆V O Load Regulation IO = 1 mA to 150mA 0.003 0.006 %/mA TJ= -40 to 125°C 0.01 ∆V O Output AC Line Regulation (See fig. 5) VI = VO(NOM) + 1 V, IO = 150mA, tR= tF = 30µs 1.5 mVPP IQ Quiescent Current BOTH ON MODE: VEN = 1.4V IO = 0 150 µA IO = 0 TJ= -40 to 125°C 200 IO = 0 to 150mA 290 IO = 0 to 150mA TJ= -40 to 125°C 370 BOTH OFF MODE: VEN = 0.4V 0.001 2 TJ= -40 to 125°C 4 ONE REGULATOR ON MODE: VEN = 1.4V IO = 0 95 IO = 0 TJ= -40 to 125°C 130 IO = 0 to 150mA 165 IO = 0 to 150mA TJ= -40 to 125°C 220 VDROP Dropout Voltage (Note 2) IO = 1mA 0.4 mV IO = 1mA TJ= -40 to 125°C 2 IO = 150mA 50 IO = 150mA TJ= -40 to 125°C 100 SVR Supply Voltage Rejection (See fig. 4) VI = VO(NOM)+0.25V ± VRIPPLE = 0.1V, IO= 50mA VO(NOM) < 2.5V, VI = 2.55V f = 1KHz 50 dB f = 10KHz 40 ISC Short Circuit Current RL = 0 600 mA IO(PK) Peak Output Current VO ≥ VO(NOM) - 5% 300 550 mA VEN Enable Input Logic Low (Note 3) VI = 2.5V to 6V TJ= -40 to 125°C 0.4 V Enable Input Logic High (Note 3) 1.4 IEN Enable Input Current VEN = 0.4V VI = 6V ±10 nA XTALK Crosstalk Rejection ∆I LOAD1 = 150 mA at 1KHz rate ILOAD2 = 1 mA, VO2 under test 40 µV ∆I LOAD2 = 150 mA at 1KHz rate ILOAD1 = 1 mA, VO1 under test 40 eN Output Noise Voltage BW = 10 Hz to 100 KHz CO = 1 µF30 µV RMS tON Turn On Time (Note 4) CBYP = 10 nF 50 µs TSHDN Thermal Shutdown (Note 4) (Note 3) 160 °C |
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