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L99DZ100GP データシート(PDF) 31 Page - STMicroelectronics |
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L99DZ100GP データシート(HTML) 31 Page - STMicroelectronics |
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31 / 197 page ![]() DS11546 Rev 5 31/197 L99DZ100G, L99DZ100GP Electrical specifications 196 Figure 8. Voltage regulator V1 characteristics (quiescent current and accuracy) 3.4.5 Voltage regulator V2 The voltages are referred to ground and currents are assumed positive, when the current flows into the pin. 4.5 V ≤ VS ≤ 28 V; 4.5 V ≤ VSREG ≤ 28 V; Tj = -40 °C to 150 °C, unless otherwise specified. V1fail V1 fail threshold V1 forced 2 V tV1fail V1 fail filter time 2 µs tV1short V1 short filter time 4 ms tV1FS V1 Fail-Safe Filter Time 2 ms tV1off V1 deactivation time after 8 consecutive WD failures Tested by scan 150 200 250 ms 1. Nominal capacitor value required for stability of the regulator. Tested with 220 nF ceramic (+/- 20%). Capacitor must be located close to the regulator output pin. A 2.2 µF capacitor is recommended to minimize the DPI stress in the application. 2. In Active mode, V1 regulator is switched to high accuracy mode, dropping below the ICMP threshold regulator switches to low accuracy mode. Table 10. Voltage regulator V1 (continued) Symbol Parameter Test condition Min. Typ. Max. Unit Table 11. Voltage regulator V2 Symbol Parameter Test condition Min. Typ. Max. Unit V2 Output voltage VSREG = 13.5 V 5.0 V V2_1mA Output voltage tolerance (0 to 1 mA) ILOAD = 1 mA; VSREG = 13.5 V -6.5 6.5 % |
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