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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L6460 датащи(PDF) 20 Page - STMicroelectronics |
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L6460 датащи(HTML) 20 Page - STMicroelectronics |
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20 / 139 page  Electrical specifications L6460 20/139 Doc ID 17713 Rev 1 Vloop Loop voltage accuracy ±3% VSW_UV_f Under voltage falling threshold (10) 84.5 87 89.5 % VSW_UV_r Under voltage rising threshold (10) 90.5 93 95.5 % VSW_UV_hys Under voltage hysteresis 6 % tprim_uv Under voltage deglitch filter 5 µs Ilimit Current limit protection SelIlimit =”0” SelIlimit =”1” 3.3 2.3 5 3.5 A A tdeglitch Current limit deglitch time 50 ns tI_lim Current limit response time Normal operating mode (no UV)(11) 450 650 ns tI_limUV Current limit response time in UV condition UV condition (12) 200 400 ns tr Switching output rise time VSupply = 36V, RLOAD = 422 Ω (13) 530 ns tf Switching output fall time VSupply = 36V, RLOAD = 10 Ω (13) 530 ns FSW_PWM Operating frequency Fosc/6 4 kHz Switching regulator controller VGS_ext Gate to source voltage for external FET VPump V ISOURCE Source current VPump=VSupply+12V VSWCTR_GATE=0V 25 50 mA ISINK Sink current VSWCTR_GATE = VSupply 20 mA tSINK Sink discharge pulse time 600 ns RSUSTAIN Gate-source sustain resistance (VSWCTR_GATE - VSWCTR_SRC) = 0.2V 650 Ω IQ Output leakage current VSupply = 36V, Tjunction = 125°C -40 +40 µA IQ_LP Output leakage current in “Low Power Mode” VSupply = 36V, Tjunction = 125°C -5 +5 µA VFBREF Switching regulator feedback controller feedback reference voltage SelFBref = ‘00’ (8) 0.776 0.8 0.824 V SelFBref = ‘01’ 0.97 1 1.03 V SelFBref = ‘10’ 2.425 2.5 2.575 V SelFBref = ‘11’ 2.91 3 3.09 V ISWDRV_FB VSWDRV_FB pin current VSupply = 36V, Tjunction = 125°C -10 +10 µA Vloop Loop voltage accuracy ±3% Table 5. Electrical characteristics (continued) Parameter Description Test condition Min Typ Max Unit |
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