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LTC4012-1 Datasheet(PDF) 3 Page - Linear Technology |
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LTC4012-1 Datasheet(HTML) 3 Page - Linear Technology |
3 / 28 page 4012fa LTC4012/ LTC4012-1/LTC4012-2 electrical characteristics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. DCIN = 20V, BAT = 12V, GND = 0V unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Charge Voltage Regulation VTOL VBAT Accuracy (See Test Circuits) LTC4012 C-Grade I-Grade l l –0.5 –0.8 –1.0 0.5 0.8 1.0 % % % LTC4012-1/LTC4012-2 C-Grade FVS1 = 0V, FVS0 = 0V, I-Grade FVS1 = 0V, FVS1 = 5V, I-Grade FVS1 = 5V, FVS0 = 0V, I-Grade FVS1 = 5V, FVS1 = 5V, I-Grade l l l l l –0.6 –0.8 –1.1 –1.15 –1.25 –1.35 0.6 0.8 1.1 1.15 1.25 1.35 % % % % % % IVFB VFB Input Bias Current VFB = 1.2V ±20 nA RON FBDIV On Resistance ILOAD = 100µA l 85 190 Ω ILEAK-FBDIV FBDIV Output Leakage Current SHDN = 0V, FBDIV = 0V l –1 0 1 µA VBOV VFB Overvoltage Threshold LTC4012 l 1.235 1.281 1.32 V BAT Overvoltage Threshold LTC4012-1/LTC4012-2, Relative to Selected Output Voltage l 103 106 109 % Charge Current Regulation ITOL Charge Current Accuracy with RIN = 3.01k, 6V < BAT < 18V (LTC4012) 6V < BAT < 15V (LTC4012-1, LTC4012-2) RPROG = 26.7k C-Grade I-Grade l l –4 –5 –9.5 4 5 9.5 % % % VSENSE = 0mV, PROG = 1.2V –12.75 –11.67 –10.95 µA AI Current Sense Amplifier Gain (PROG ∆I) with RIN = 3.01k, 6V < BAT < 18V (LTC4012) 6V < BAT < 15V (LTC4012-1, LTC4012-2) VSENSE Step from 0mV to 5mV, PROG = 1.2V –1.78 –1.66 –1.54 µA VCS-MAX Maximum Peak Current Sense Threshold Voltage per Cycle (RIN = 3.01k) ITH = 2V, C-Grade ITH = 2V, I-Grade ITH = 5V l l l 140 125 195 325 250 265 430 mV mV mV VC10 C/10 Indicator Threshold Voltage PROG Falling 340 400 460 mV VREV Reverse Current Threshold Voltage PROG Falling 180 253 295 mV Input Current Regulation VCL Current Limit Threshold CLP – CLN C-Grade I-Grade l l 97 96 92 100 100 103 104 108 mV mV mV ICLN CLN Input Bias Current CLN = CLP ±100 nA VICL ICL Indicator Threshold (CLP – CLN) – VCL –8 –5 –2 mV CLP Supply OVR Operating Voltage Range 6 28 V VUVLO CLP Undervoltage Lockout Threshold CLP Increasing l 4.65 4.85 5.25 V VUV(HYST) UVLO Threshold Hysteresis 200 mV ICLPO CLP Operating Current CLP = 20V, No Gate Loads 2 3 mA Shutdown VACP AC Present Threshold Voltage DCIN – BAT, DCIN Rising C-Grade I-Grade l l 350 300 500 650 700 mV mV VACP(HYST) ACP Threshold Hysteresis Voltage 200 mV VIL SHDN Input Voltage Low l 300 mV VIH SHDN Input Voltage High l 1.4 V |
Similar Part No. - LTC4012-1_15 |
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Similar Description - LTC4012-1_15 |
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