Datasheet LTC3106 (Analog Devices) - 4

LTC3106
e lecTrical characTerisTics The
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denotes the specifications which apply over the specified junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 1.5V, VOUT = 3.3V, VSTORE = 3.6V and VAUX in regulation unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS
P-Channel MOSFET AUXSW RDS(ON) VAUX = 5.4V 3 Ω P-Channel VSTORE Isolation MOSFET RDS(ON) VSTORE = 4.2V 2 Ω Peak Current Limit (VOUT) VOUT Powered from VIN, ILIMSEL > 0.8V l 530 725 mA VOUT Powered from VIN, ILIMSEL = 0V l 60 100 mA VOUT Powered from VSTORE, ILIMSEL > 0.8V l 140 200 mA VOUT Powered from VSTORE, ILIMSEL = 0V l 60 100 mA VALLEY Current Limit VOUT Powered from VIN, ILIMSEL > 0.8V l 300 400 mA VOUT Powered from VIN, ILIMSEL = 0V l 10 44 mA VOUT Powered from VSTORE, ILIMSEL > 0.8V l 30 70 mA VOUT Powered from VSTORE, ILIMSEL = 0V l 10 44 mA Peak Current Limit (VSTORE Charging) VSTORE Powered from VIN l 60 100 mA PGOOD Threshold VOUT Falling, Percentage Below VOUT –11 –9 –7 % PGOOD Hysteresis Percentage of VOUT 3 % PGOOD Voltage Low IPGOOD = 100µA 0.2 V PGOOD Leakage Current VPGOOD = 5V 0.1 10 nA VIH Digital Input High Logic Level Pins: OS[1:2], SS[1:2], ILIMSEL, ENVSTR, PRI l 0.8 V VIL Digital Input Low Logic Level Pins: OS[1:2], SS[1:2], ILIMSEL, ENVSTR, PRI l 0.3 V Digital Input Leakage Current Pin Voltage = 5.2V, 0.1 10 nA Pins: OS[1:2], SS[1:2], ILIMSEL, PRI ENVSTR Input Leakage Current l 44 80 nA Auxiliary Voltage Threshold VAUX Rising 5.2 V Auxiliary Voltage Hysteresis VAUX Falling, Restart VAUX Charging 50 mV MPP Pin Output Current VMPP = 0.6V l 1.21 1.5 1.72 µA MPP Pin Shutdown Current VMPP = VCC 0.1 10 nA MPP Disable Threshold Voltage Below VCC –1 –0.8 V RUN Threshold - Enable Reference l 0.15 0.4 0.55 V Accurate RUN Threshold - Enable Switching RUN Pin Voltage Increasing l 0.585 0.6 0.615 V from VIN TJ = –40°C to 85°C (Note 4) 0.591 0.6 0.609 V Accurate RUN Hysteresis 100 mV RUN Input Current 0.1 10 nA
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings rated junction temperature will be exceeded when this protection is active. may cause permanent damage to the device. Exposure to any Absolute Continuous operation above the maximum operating junction temperature Maximum Rating condition for extended periods may affect device may impair device reliability or permanently damage the device. reliability and lifetime.
Note 4:
Specification is guaranteed by design and not 100% tested in
Note 2:
The LTC3106 is tested under pulsed load conditions such that production. TJ ≈TA. The LTC3106E is guaranteed to meet specifications from 0°C to 85°C
Note 5:
Failure to solder exposed backside of the package to the PC board junction temperature. Specifications over the –40°C to 125°C operating will result in a higher thermal resistance junction temperature range are assured by design, characterization and
Note 6:
Voltage transients on the switch pins beyond the DC limits correlation with statistical process controls. The LTC3106I is guaranteed over specified in Absolute Maximum Ratings are non-disruptive to normal the full –40°C to 125°C operating junction temperature range. The junction operation when using good layout practices as described elsewhere in the temperature (TJ) is calculated from the ambient temperature (TA ) and power data sheet and as seen on the demo board. dissipation (PD)according to the formula:
Note 7:
If PRI = GND, then charging is enabled on V T STORE whenever J = TA + (PD)(θJA°C/W) surplus energy is available from VIN. The OV and UV thresholds are the where θJA is the package thermal impedance. Note the maximum ambient maximum charge and discharge levels controlled by the LTC3106. temperature consistent with these specifications is determined by specific
Note 8:
Some of the IC electrical characteristics are measured in an operating conditions in conjunction with board layout, the rated package open-loop test configuration that may differ from the typical operating thermal resistance and other environmental factors. conditions. These differences are not critical for the accuracy of the
Note 3:
This IC includes overtemperature protection that is intended to parameter and will not impact operation. protect the device during momentary overload conditions. The maximum 3106f 4 For more information www.linear.com/LTC3106 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Typical Application Related Parts