Datasheet LTC4009, LTC4009-1, LTC4009-2 (Analog Devices) - 3

LTC4009 LTC4009-1/LTC4009-2 e

lecTrical 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) LTC4009 –0.5 0.5 % C-Grade l –0.8 0.8 % I-Grade l –1.0 1.0 % LTC4009-1/LTC4009-2 –0.6 0.6 % C-Grade l –0.8 0.8 % FVS1 = 0V, FVS0 = 0V, I-Grade l –1.1 1.1 % FVS1 = 0V, FVS1 = 5V, I-Grade l –1.15 1.15 % FVS1 = 5V, FVS0 = 0V, I-Grade l –1.25 1.25 % FVS1 = 5V, FVS1 = 5V, I-Grade l –1.35 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 LTC4009 l 1.235 1.281 1.32 V BAT Overvoltage Threshold LTC4009-1/LTC4009-2, Relative to l 103 106 109 % Selected Output Voltage
Charge Current Regulation
ITOL Charge Current Accuracy with RIN = 3.01k, RPROG = 26.7k –4 4 % 6V < BAT < 18V (LTC4009), C-Grade l –5 5 % 6V < BAT < 15V (LTC4009-1, LTC4009-2) I-Grade l –9.5 9.5 % VSENSE = 0mV, PROG = 1.2V –12.75 –11.67 –10.95 µA AI Current Sense Amplifier Gain (PROG ∆I) with VSENSE Step from 0mV to 5mV, –1.78 –1.66 –1.54 µA RIN = 3.01k, 6V < BAT < 18V (LTC4009), PROG = 1.2V 6V < BAT < 15V (LTC4009-1, LTC4009-2) VCS-MAX Maximum Peak Current Sense Threshold Voltage ITH = 2V, C-Grade l 140 195 250 mV per Cycle (RIN = 3.01k) ITH = 2V, I-Grade l 125 265 mV ITH = 5V l 325 430 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 97 100 103 mV C-Grade l 96 100 104 mV I-Grade l 92 108 mV ICLN CLN Input Bias Current CLN = CLP ±100 nA VICL ICL Indicator Threshold (CLP – CLN) – VCL –8 –5 –2 mV
DCIN, CLP Supplies
OVR Operating Voltage Range DCIN and CLP 6 28 V IDCO DCIN Operating Current No Gate Loads 1.5 2 mA ICLPO CLP Operating Current CLP = 20V, No Gate Loads 0.5 0.8 mA VCBT CLP Boost Threshold Voltage CLP – DCIN, CLP Rising l 10 25 60 mV VCNT CLP Normal Threshold Voltage (Note 5) DCIN – CLP, CLP Falling l 10 25 60 mV VOVP DCDIV Overvoltage Protection Threshold DCDIV Rising 1.75 1.825 1.9 V VOVP(HYST) DCDIV OVP Threshold Hysteresis 110 mV
Shutdown
VACP DCDIV AC Present Threshold Voltage DCDIV Rising l 1.13 1.2 1.27 V VACP(HYST) DCDIV ACP Threshold Hysteresis Voltage 50 mV IDCDIV DCDIV Input Current DCDIV = 1.2V –1 0 1 µA VIL SHDN Input Voltage Low l 300 mV 4009fd Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Test Circuits Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts