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TLE7368 Arkusz danych(PDF) 19 Page - Infineon Technologies AG |
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TLE7368 Arkusz danych(HTML) 19 Page - Infineon Technologies AG |
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19 / 39 page ![]() Data Sheet 19 Rev. 1.1, 2007-11-08 TLE7368 General Product Characteristics 4.4.98 Overvoltage Reset threshold on Q_LDO2 V ORT Q_LDO2, in 2.85 – 3.0 V SEL_LDO2 = GND; V Q_LDO2 increasing 4.4.99 Overvoltage Reset threshold on Q_LDO2 V ORT Q_LDO2, de 2.73 – 2.95 V SEL_LDO2 = GND; V Q_LDO2 decreasing 4.4.100 Overvoltage Reset hysteresis Q_LDO2 V ORO_2, hyst 50 – 120 mV SEL_LDO2 = GND; 4.4.101 Undervoltage Reset threshold on FB_EXT V URT FB_EXT, de 1.425 – 1.480 V V FB_EXT decreasing; V FB/L_IN = 5 V or V Q_LDO2 = 3.3/2.6 V 4.4.102 Undervoltage Reset headroom on FB_EXT V FB_EXT - V URT FB_EXT, de 40 60 – mV V FB/L_IN = 5 V or V Q_LDO2 = 3.3/2.6 V; V FB_EXT @ IFB_EXT = 1 A 4.4.103 Undervoltage Reset hysteresis FB_EXT V URO_2, hyst 15 – 45 mV – 4.4.104 Overvoltage Reset threshold on FB_EXT V ORT FB_EXT, in 1.65 – 1.72 V V FB_EXT increasing 4.4.105 Overvoltage Reset threshold on FB_EXT V ORT FB_EXT, de 1.55 – 1.67 V V FB_EXT decreasing 4.4.106 Overvoltage Reset hysteresis FB_EXT V ORO_2, hyst 50 – 120 mV – 4.4.107 RO_2, Reset output low voltage V RO_2, low –– 0.4 V I RO_2 = -10 mA; V Q_LDO2 > 2.0 V 4.4.108 RO_2, Reset output low voltage V RO_2, low – – 0.25 V I RO_2 = -500 µA; V Q_LDO2 = 1V 4.4.109 RO_2, Reset output leakage I RO_2, high -1 – 1 µA V RO_2 = 5.0 V 4.4.110 Reset delay time RO_2 t RD, RO_2 – 160 – T cycle – 4.4.111 Undervoltage Reset reaction time t UVRR, RO_2 2– 10 µs Voltage step on Q_LDO2 from V Q_LDO2, nom to V URT Q_LDO2, de, min - 20 mV 4.4.112 Undervoltage Reset reaction time t UVRR, RO_2 2– 10 µs Voltage step on FB_EXT from V FB_EXT, nom to V URT FB_EXT, de, min - 20 mV 4.4.113 Overvoltage Reset reaction time t OVRR, RO_2 20 – 80 µs Buck converter operating; Voltage step on Q_LDO2 from V Q_LDO2, nom to V ORT Q_LDO2, in, max + 20 mV 4.4.114 Overvoltage Reset reaction time t OVRR, RO_2 20 – 80 µs Buck converter operating; Voltage step on FB_EXT from V FB_EXT, nom to V ORT FB_EXT, in, max + 20 mV Electrical Characteristics (cont’d) V IN = VIN_STBY = 13.5 V, Tj = -40 °C to +150 °C, V CCP = 9.0 V; SEL_STBY = Q_STBY; all voltages with respect to ground. Pos. Parameter Symbol Limit Values Unit Conditions Min. Typ. Max. |
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