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MC34674 Datasheet(PDF) 7 Page - Freescale Semiconductor, Inc |
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MC34674 Datasheet(HTML) 7 Page - Freescale Semiconductor, Inc |
7 / 26 page Analog Integrated Circuit Device Data Freescale Semiconductor 7 34674 ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS End-of-Charge (EOC) Threshold MC34674A MC34674B MC34674C MC34674D IEOC 84 68 52 34 105 85 65 45 126 102 78 57 mA CHARGE THRESHOLDS Trickle-mode Rising Threshold Voltage VTRKL 2.8 2.9 3.0 V Trickle-mode Threshold Voltage Hysteresis VTRKLHYS - 100 - mV Recharge Falling Threshold Voltage VRECH 4.07 4.10 4.135 V Recharge Threshold Voltage Hysteresis VTHRCHG - 25 50 mV BATTERY CONNECTION VERIFICATION Battery Connection Verification Discharge Current (Over 0.8 to 5.0 V)(10) IDCHG 4.5 6.0 7.5 mA Output Current in Charge Completion State(10) ICHGCM - 24 - μA Discharge Current in Charge Completion State During the 82 ms(10) IDCC - 585 - μA NTC INTERFACE Low Temperature Rising Threshold(11) VLTRT 0.6592 2/3 0.6741 VREF Low Temperature Falling Threshold(11) VLTFT - 0.6468 - VREF High Temperature Falling Threshold(11) VHTFT 0.3297 1/3 0.3389 VREF High Temperature Rising Threshold(11) VHTRT - 0.3441 - VREF Die Thermal Limit TLIM 95 110 125 °C LOGIC INPUT AND OUTPUT EN Input High Threshold Voltage VIH 1.5 - - V EN Input Low Threshold Voltage VIL - - 0.5 V EN Pin Internal Pull-down Current IEN - 2.0 7.5 μA GRN and RED Sink Current Pin voltage is between 0.8 V and 5.0 V IGRSINK 5.0 6.0 7.0 mA Open-Drain Off Leakage Biased at 5.0 V IODLEAK - - 1.0 μA Notes 10. Not tested. Guaranteed by design. 11. These threshold parameters are specified as a ratio of VTEMP/VREF. Due to the negative temperature coefficient thermistor, VTEMP rises when the temperature is falling from high to low, and VTEMP falls when the temperature is rising from low to high. Table 4. Static Electrical Characteristics (continued) Characteristics noted under conditions VIN = 5.0 V, -40°C ≤ TA ≤ 85°C, CIN = COUT = 1.0 μF (see Figure 1), unless otherwise noted. Typical values noted reflect the approximate parameter means at VIN = 5.0 V and TA = 25°C under nominal conditions, unless otherwise noted. Characteristic Symbol Min Typ Max Unit |
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