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SI9731 Fiches technique(PDF) 2 Page - Vishay Siliconix |
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SI9731 Fiches technique(HTML) 2 Page - Vishay Siliconix |
2 / 10 page www.vishay.com 2 Document Number: 71321 S-60869-Rev. B, 22-May-06 Vishay Siliconix Si9731 Notes: a. Device Mounted with all leads soldered or welded to PC board. b. Derate 10 mW/°C above 25 °C. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. See application drawing Figure 1. ABSOLUTE MAXIMUM RATINGS Parameter Symbol Limit Unit Voltages Referenced to GND = 0 V VCHARGER, V(CVMODE), V(TRICKLECHARGEEN), V(MAINCHARGEREN), V(ON/OFF), V(4.1 V_TAP), V(VBAT+), V(CHARGERPOWER_ON), V(CHARGERPRESENT), V(TRICKLE_VBAT) V(CHARGERPRESENTIN), V(CHARGERPOWER_ONIN) - 0.3 to 13.5 V Maximum Input Current (ICHARGER(max)) 1.2 A Maximum Sink Current CHARGERPOWER_ON and CHARGERPRESENT Pins 5mA Storage Temperature - 65 to 150 °C Operating Junction Temperature 150 Power Dissipation (Package)a 16-Pin TSSOP (Q Suffix)b 1.06 W Thermal Impedance ( Θ JA) 16-Pin TSSOP 135 °C/W RECOMMENDED OPERATING RANGE Parameter Symbol Limit Unit Voltages Referenced to GND = 0 V VCHARGER 3.0 to 12 V Ambient Temperature - 40 to + 85 °C VREFBypass Capacitor 0.1 µF COUT 2.2 CIN 2.2 SPECIFICATIONS Parameter Symbol Test Conditions Unless Specified - 40 °C < TA < + 85 °C 3.0 V ≤ V CHARGER ≤ 6.5 V, VON/OFF = 1.5 V Unit Mina Typb Maxa External Charger Voltage VCHARGER 3.0 12 V Under Voltage Lockout on Charger VUVLO Rising Edge of Battery Charger 2.45 2.6 2.75 UVLO Hysteresis UVLOHYST 70 90 110 mV Regulated Output Voltage 4.1 V_TAP to VBAT VTERM+ VCHARGER = 5.0 V IBAT+ = 1 mA MAINCHARGEREN = 5.0 V CVMODE = 5.0 V - 10 °C < TA < + 40 °C 4.050 4.1 4.150 V - 40 °C < TA < + 85 °C 4.025 4.1 4.150 Regulated Output Voltage 4.1 V_TAP Open - 10 °C < TA < + 40 °C 4.150 4.2 4.250 - 40 °C < TA < + 85 °C 4.125 4.2 4.250 Battery Over Voltage Protection VOVP Rising Edge of VBAT+ 4.70 4.95 5.15 Battery Over Voltage Hysteresis VOVP_HYS 0.11 Battery Minimum Operating Voltage VBAT(min) Rising Edge, VBAT+ Latch 3.32 3.41 3.50 Charger Voltage to Battery Voltage Comparator Offset VOS_CB Comparator Offset Voltage, VCHARGER - VBAT+ MAINCHARGEEN-High - 0.08 - 0.04 - 0.01 MAINCHARGEEN-Low 0.01 0.04 0.08 Charger Voltage to Battery Voltage Comparator Hysteresis 0.07 |
Numéro de pièce similaire - SI9731 |
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Description similaire - SI9731 |
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