Datasheet LTC3331 (Analog Devices) - 5

LTC3331
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 5V, BAT_IN = BAT_OUT = BB_IN = 3.6V, SHIP = OV, SCAP = 0V unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
PMOS Switch Leakage Buck/Buck-Boost Regulators –20 20 nA NMOS Switch Leakage Buck/Buck-Boost Regulators –20 20 nA Maximum Buck Duty Cycle Buck/Buck-Boost Regulators l 100 % IPEAK_BUCK Buck Peak Switch Current 200 250 500 mA Available Buck Output Current 100 mA Buck PMOS Switch On-Resistance 1.4 Ω Buck NMOS Switch On-Resistance 1.2 Ω Maximum Battery Shunt Current 10 mA IBAT_IN Battery Disconnect Leakage Current Battery Disconnected –10 0 10 nA SHIP Mode Engaged –10 0 10 nA VFLOAT Shunt Charger Float Voltage FLOAT[1:0] = 00, IBB_IN = 1mA 3.415 3.45 3.485 V (BAT_OUT Voltage) FLOAT[1:0] = 01, IBB_IN = 1mA 3.960 4.0 4.040 V FLOAT[1:0] = 10, IBB_IN = 1mA 4.059 4.1 4.141 V FLOAT[1:0] = 11, IBB_IN = 1mA 4.158 4.2 4.242 V FLOAT[1:0] = 00, IBB_IN = 1mA l 3.381 3.45 3.519 V FLOAT[1:0] = 01, IBB_IN = 1mA l 3.920 4.0 4.080 V FLOAT[1:0] = 10, IBB_IN = 1mA l 4.018 4.1 4.182 V FLOAT[1:0] = 11, IBB_IN = 1mA l 4.116 4.2 4.284 V VLBD Low Battery Disconnect Threshold, LBSEL = 0, FLOAT[1:0] = 00, IBAT_IN = –1mA l 1.98 2.04 2.10 V BAT_IN Voltage (Falling) LBSEL = 1, FLOAT[1:0] = 00, IBAT_IN = –1mA l 2.43 2.51 2.59 V LBSEL = 0, FLOAT[1:0] = 01, 10, 11, IBAT_IN = –1mA l 2.62 2.70 2.78 V LBSEL = 1, FLOAT[1:0] = 01, 10, 11, IBAT_IN = –1mA l 3.10 3.20 3.30 V VLBC_BAT_IN Low Battery Connect Threshold, LBSEL = 0, FLOAT[1:0] = 00, IBAT_IN = –1mA 2.26 2.35 2.44 V BAT_IN Voltage (Rising) LBSEL = 1, FLOAT[1:0] = 00, IBAT_IN = –1mA 2.74 2.85 2.96 V LBSEL = 0, FLOAT[1:0] = 01, 10, 11, IBAT_IN = –1mA 2.91 3.03 3.15 V LBSEL = 1, FLOAT[1:0] = 01, 10, 11, IBAT_IN = –1mA 3.39 3.53 3.67 V VLBC_BAT_ Low Battery Connect Threshold, LBSEL = 0, FLOAT[1:0] = 00 3.02 V OUT BAT_OUT Voltage (Rising) LBSEL = 1, FLOAT[1:0] = 00 3.52 V LBSEL = 0, FLOAT[1:0] = 01, 10, 11 3.70 V LBSEL = 1, FLOAT[1:0] = 01, 10, 11 4.20 V Battery Disconnect PMOS BAT_IN = 3.3V, IBAT_IN = 10mA 5 Ω On-Resistance Charge Pin Current Current Out of CHARGE Pin l 1 mA 2 mA CHARGE Pin Voltage PMOS 2mA Out of CHARGE Pin 60 Ω On-Resistance VSCAP Supercapacitor Balancer Input Range l 2.5 5.5 V ISCAP Supercapacitor Balancer Quiescent SCAP = 5.0V 150 225 nA Current Supercapacitor Balancer Source SCAP = 5.0V, BAL = 2.4V 10 mA Current Supercapacitor Balancer Sink Current SCAP = 5.0V, BAL = 2.6V 10 mA 3331fc For more information www.linear.com/LTC3331 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts