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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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SPSB100 Folha de dados(PDF) 73 Page - STMicroelectronics |
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SPSB100 Folha de dados(HTML) 73 Page - STMicroelectronics |
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73 / 213 page  Symbol Parameter Condition Min Typ Max Unit VFBB_REG2 VFBB regulation threshold If BUCK1 or BUCK2 voltage settings are above 3.3 V (5.0 or 6.5 V) 9.2 9.5 9.8 V Fsw_BOOST Switching frequency Guaranteed by scan 320 400 480 kHz Boost_DC_Max(1) Boost duty cycle max 0 V < VS < VS_LOW tON = 63 cycles of 33.6 MHz main clk 34 75 83 % Boost_DC_High(1) Boost duty cycle high VS_LOW < VS < VS_MID tON = 55 cycles of 33.6 MHz main clk 30 65.5 73 % Boost_DC_Low(1) Boost duty cycle low VS_MID < VS < VS_HIGH tON = 46 cycles of 33.6 MHz main clk 25 54.8 61 % Boost_DC_Min(1) Boost duty cycle min VS_HIGH < VS tON = 38 cycles of 33.6 MHz main clk 21 45.2 50 % Boost_DC_LP(1) Boost duty cycle in low power mode VS_HIGH < VS tON = 2 cycles of 800 kHz 27 50.0 66 % VS_Low_R VS comparator threshold VS_LOW Rising 4.25 4.5 4.75 V VS_Low_F VS comparator threshold VS_LOW Falling 3.75 4.0 4.25 V VS_Low_HYS VS comparator threshold VS_LOW Hysteresis 0.4 0.5 0.6 V VS_Mid_R VS comparator threshold VS_MID Rising 5.7 6.0 6.3 V VS_Mid_F VS comparator threshold VS_MID Falling 5.2 5.5 5.8 V VS_Mid_HYS VS comparator threshold VS_MID Hysteresis 0.4 0.5 0.6 V VS_High_R VS comparator threshold VS_HIGH Rising 7.1 7.5 7.9 V VS_High_F VS comparator threshold VS_HIGH Falling 6.6 7 7.4 V VS_High_HYS VS comparator threshold VS_HIGH Hysteresis 0.4 0.5 0.6 V VBoost_rip(2) Boost voltage_ripple Ripple at 20 kHz All characteristics of all blocks supplied by FBB are guaranteed with external components defined in the Table 50 - - 2.5 Vpp IBoost(2) Boost current capability Guaranteed with external components defined in the Table 50 0.05 - 4.2 A IBoost_LS_sink1 LS driver sink current VFBB = VGLB = 8.5 V 70 100 130 mA IBoost_HS_source1 HS driver source current VFBB = 8.5 V VGLB = 0 V 70 100 130 mA IBoost_LS_sink2 LS driver sink current VFBB = 8.5 V VGLB = 0.5 V 20 35 55 mA SPSB100 Electrical characteristics DS14640 - Rev 2 page 73/213 |
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