Datasheet LTC3588-1 (Analog Devices) - 3

LTC3588-1
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are for TA = 25°C. (Note 2) VIN = 5.5V unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN Input Voltage Range Low Impedance Source on VIN l 18.0 V IVIN VIN Quiescent Current UVLO VIN = 2.5V, Not PGOOD 450 700 nA Buck Enabled, Sleeping VIN = 4.5V 950 1500 nA Buck Enabled, Sleeping VIN = 18V 1.7 2.5 µA Buck Enabled, Not Sleeping ISW = 0A (Note 4) 150 250 µA VUVLO VIN Undervoltage Lockout Threshold VIN Rising 1.8V Output Selected; D1 = 0, D0 = 0 l 3.77 4.04 4.30 V 2.5V Output Selected; D1 = 0, D0 = 1 l 3.77 4.04 4.30 V 3.3V Output Selected; D1 = 1, D0 = 0 l 4.73 5.05 5.37 V 3.6V Output Selected; D1 = 1, D0 = 1 l 4.73 5.05 5.37 V VIN Falling 1.8V Output Selected; D1 = 0, D0 = 0 l 2.66 2.87 3.08 V 2.5V Output Selected; D1 = 0, D0 = 1 l 2.66 2.87 3.08 V 3.3V Output Selected; D1 = 1, D0 = 0 l 3.42 3.67 3.91 V 3.6V Output Selected; D1 = 1, D0 = 1 l 3.75 4.02 4.28 V VSHUNT VIN Shunt Regulator Voltage IVIN = 1mA 19.0 20.0 21.0 V ISHUNT Maximum Protective Shunt Current 1ms Duration 25 mA Internal Bridge Rectifier Loss IBRIDGE = 10µA 350 400 450 mV (|VPZ1 – VPZ2| – VIN) Internal Bridge Rectifier Reverse VREVERSE = 18V 20 nA Leakage Current Internal Bridge Rectifier Reverse IREVERSE = 1µA VSHUNT 30 V Breakdown Voltage VOUT Regulated Output Voltage 1.8V Output Selected Sleep Threshold l 1.812 1.890 V Wake-Up Threshold l 1.710 1.788 V 2.5V Output Selected Sleep Threshold l 2.512 2.575 V Wake-Up Threshold l 2.425 2.488 V 3.3V Output Selected Sleep Threshold l 3.312 3.399 V Wake-Up Threshold l 3.201 3.288 V 3.6V Output Selected Sleep Threshold l 3.612 3.708 V Wake-Up Threshold l 3.492 3.588 V PGOOD Falling Threshold As a Percentage of the Selected VOUT 83 92 % IVOUT Output Quiescent Current VOUT = 3.6V 89 150 nA IPEAK Buck Peak Switch Current 200 260 350 mA IBUCK Available Buck Output Current 100 mA RP Buck PMOS Switch On-Resistance 1.1 Ω RN Buck NMOS Switch On-Resistance 1.3 Ω Max Buck Duty Cycle l 100 % VIH(D0, D1) D0/D1 Input High Voltage l 1.2 V VIL(D0, D1) D0/D1 Input Low Voltage l 0.4 V IIH(D0, D1) D0/D1 Input High Current 10 nA IIL(D0, D1) D0/D1 Input Low Current 10 nA 35881fc For more information www.linear.com/LTC3588-1 3 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Pin Functions Operation Applications Information Typical Application Related Parts