Datasheet LT3652 (Analog Devices) - 4

HerstellerAnalog Devices
BeschreibungPower Tracking 2A Battery Charger for Solar Power
Seiten / Seite26 / 4 — ELECTRICAL CHARACTERISTICS The. denotes the specifications which apply …
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DokumentenspracheEnglisch

ELECTRICAL CHARACTERISTICS The. denotes the specifications which apply over the full operating

ELECTRICAL CHARACTERISTICS The denotes the specifications which apply over the full operating

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LT3652
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = 20V, Boost – SW = 4V, SHDN = 2V, VFB = 3.3V, CTIMER = 0.68µF. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
tTIMER Full Charge Cycle Timeout 3 hr Precondition Timeout 22.5 min Timer Accuracy l –10 10 % fO Operating Frequency 1 MHz DC Duty Cycle Range Continuous Operation l 15 90 %
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
Note 3:
VIN minimum voltages below the start threshold are only may cause permanent damage to the device. Exposure to any Absolute supported if (VBOOST-VSW) > 2V. Maximum Rating condition for extended periods may affect device
Note 4:
This parameter is valid for programmed output battery float reliability and lifetime. voltages ≤ 4.2V. VIN operating range minimum is 0.75V above the
Note 2:
The LT3652EDD is guaranteed to meet performance specifications programmed output battery float voltage (VBAT(FLT) + 0.75V). VIN Start from 0°C to 125°C junction temperature. Specifications over the –40°C Voltage is 3.3V above the programmed output battery float voltage to 125°C operating junction temperature range are assured by design, (VBAT(FLT) + 3.3V). characterization, and correlation with statistical process controls. The
Note 5:
Output battery float voltage (VBAT(FLT)) programming resistor LT3652IDD specifications are guaranteed over the full –40°C to 125°C divider equivalent resistance = 250k compensates for input bias current. operating junction temperature range. Note that the maximum ambient
Note 6:
All V temperature consistent with these specifications is determined by specific FB voltages measured through 250k series resistance. operating conditions in conjunction with board layout, the rated package
Note 7:
VSENSE(DC) is reduced by thermal foldback as junction temperature thermal impedance and other environmental factors. approaches 125°C. 3652fe 4 For more information www.linear.com/LT3652 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Package Description Typical Application Related Parts