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L9680 数据表(PDF) 248 Page - STMicroelectronics |
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L9680 数据表(HTML) 248 Page - STMicroelectronics |
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248 / 277 page  Electrical characteristics L9680 248/277 DocID029257 Rev 1 16.16 Deployment drivers All electrical characteristics are valid for the following conditions unless otherwise noted: -40 °C Ta +95 °C, VINGOOD0 VIN 35V, 6V SSxy 35V, SSxy - SFx 25V. 6 ILKG_VSF_OFF VSF input leakage Device OFF -5 - 5 μA 7RPD_VSF VSF pull-down resistance Device ON VSF regulator OFF; VSF = 25V 60 125 220 kΩ 8IPD_VSF VSF pull-down current Device ON VSF regulator ON; Design Info 34 40 46 μA 9IPD_VSF_TOT VSF total pull-down current Device ON VSF regulator ON VSF = 25V SYS_CGF(VSF_V)= 1 147 230 462 μA Table 53. VSF regulator DC specifications (continued) No Symbol Parameter Conditions Min Typ Max Unit Table 54. VSF regulator AC specifications No Symbol Parameter Conditions Min Typ Max Unit 1TON_VSF VSF turn on time CVSF = 14 nF Measured from VSF_EN=1 to VSF inside regulation limits - - 100 μs Table 55. Deployment drivers – DC specifications No Symbol Parameter Conditions Min Typ Max Unit 1IDEPL_LO Deployment Current R = 2 ohms Considering 9mA as not detected leakage with a 1kOhm equivalent resistance from SFx to GND 1.33 1.4 1.6 A 2IDEPL_HI R = 2 ohms, 9V ≤ SSxy Considering 13.5mA as not detected leakage with a 1kOhm equivalent resistance from SFx to GND, 1.94 1.99 2.3 A 3ITH_DEPL Deployment Current Counter Threshold - IDEPL x * 90% -- A 4IOC_SR Low side Over Current Detection - 2.2 3.1 4.0 A 5ILIM_SR Low side Current Limitation - 2.2 3.1 4.0 A |
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