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LTC3566 Datasheet(PDF) 4 Page - Linear Technology |
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LTC3566 Datasheet(HTML) 4 Page - Linear Technology |
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4 / 28 page  LTC3566 4 3566fa ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VBUS = 5V, VBAT = 3.8V, DVCC = 3.3V, RCLPROG = 3.01k, RPROG = 1k, VIN1 = VOUT1 = 3.8V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS RON_CHG Battery Charger Power FET On Resistance (Between VOUT and BAT) 0.18 Ω TLIM Junction Temperature in Constant Temperature Mode 110 °C NTC VCOLD Cold Temperature Fault Threshold Voltage Rising Threshold Hysteresis 75.0 76.5 1.5 78.0 %VBUS %VBUS VHOT Hot Temperature Fault Threshold Voltage Falling Threshold Hysteresis 33.4 34.9 1.5 36.4 %VBUS %VBUS VDIS NTC Disable Threshold Voltage Falling Threshold Hysteresis 0.7 1.7 50 2.7 %VBUS mV INTC NTC Leakage Current VNTC = VBUS = 5V –50 50 nA Ideal Diode VFWD Forward Voltage VBUS = 0V, IOUT = 10mA IOUT = 10mA 2 15 mV mV RDROPOUT Internal Diode On-Resistance, Dropout VBUS = 0V 0.18 Ω IMAX_DIODE Internal Diode Current Limit 1.6 A Always On 3.3V Supply VLDO3V3 Regulated Output Voltage 0mA < ILDO3V3 < 25mA 3.1 3.3 3.5 V RCL_LDO3V3 Closed-Loop Output Resistance 4 Ω ROL_LDO3V Dropout Output Resistance 23 Ω Logic (ILIM0, ILIM1, EN1, CHRGEN, MODE) VIL Logic Low Input Voltage 0.4 V VIH Logic High Input Voltage 1.2 V IPD1 ILIM0, ILIM1, EN1, MODE Pull-Down Currents 1.6 μA IPD1_CHRGEN CHRGEN Pull-Down Current 1.6 10 μA Buck-Boost Regulator VIN1 Input Supply Voltage 2.7 5.5 V VOUTUVLO VOUT UVLO -VOUT Falling VOUT UVLO - VOUT Rising VIN1 Connected to VOUT Through Low Impedance. Switching Regulator Disabled in UVLO 2.5 2.6 2.8 2.9 V V fOSC Oscillator Frequency PWM Mode ● 1.8 2.25 2.7 MHz IVIN1 Input Current PWM Mode, IOUT1 = 0μA Burst Mode ® Operation, IOUT1 = 0μA Shutdown 220 13 0 400 20 1 μA μA μA Burst Mode is a registered trademark of Linear Technology Corporation. |
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Similar Description - LTC3566 |
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