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MAX2003CPE Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX2003CPE Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 20 page NiCd/NiMH Battery Fast-Charge Controllers _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VCC = 4.5V to 5.5V, Figure 1, all measurements are with respect to VSS, TA = TMIN to TMAX, unless otherwise noted.) TIMING CHARACTERISTICS (VCC = 4.5V to 5.5V, Figure 1, all measurements are with respect to VSS, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = 5.0V, TA = +25°C.) Note 3: Ratio of actual versus expected timeout (see Table 4). Tested with TM1 = TM2 = floating. Note 4: To recognize a battery insert signal, VBAT must be greater than VMCV for at least tBTO. MOD pin in fast-charge mode, VCC = 5V (Note 3) CCMD, DCMD CONDITIONS kHz 100 fMAX MOD Switching Frequency 0.84 1.00 1.16 µs 1.0 tMPW Minimum Pulse Width Variation of Fast-Charge Timeout UNITS MIN TYP MAX SYMBOL PARAMETER CCMD, DCMD, DVEN at VCC and VSS CCMD, DCMD, DVEN CCMD, DCMD, DVEN TM1, TM2 = VCC TM1, TM2 = VSS For DIS, TEMP and CHG, 0mA ≤ ILOAD ≤ 5mA; For MOD, 0mA ≤ ILOAD ≤ 10mA µA -1.0 1.0 ILKG Input Logic Leakage 1.0 VCC - 1.0 VIH Input Logic Voltage High µA -70.0 IIH Input Logic Current High µA 70.0 IIL Input Logic Current Low V VCC - 0.5 VOH Logic-High Threshold TM1, TM2 = tri-state BAT, MCV, TCO, SNS, TS µA -2.0 2.0 IIZ Input Logic Current High-Z M Ω 50 Input Impedance TM1, TM2 V VCC - 0.3 TM1, TM2 V 0.3 VIL Input Logic Voltage Low ms 200 250 300 tBTO Battery Replacement Timeout (Note 4) Note 1: The sense trip levels are determined by an internal resistor divider network that provides a typical difference of 30mV from SNSHI to SNSLO. Slight variation in this delta is seen if there is a resistor mismatch in the network. Note 2: Typical variations of Negative Delta Voltage and Thermistor Input Resolution parameters are less than ±4mV. For DIS, TEMP and CHG, 0mA ≤ ILOAD ≤ 5mA; For MOD, 0mA ≤ ILOAD ≤ 10mA V 0.5 VOL Logic-Low Threshold CONDITIONS UNITS MIN TYP MAX SYMBOL PARAMETER |
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