(China (Mainland))
Product Summary
The LT1620CS8 simplifies the design of high performance, controlled current battery charging circuits when used in conjunction with a current mode PWM controller IC. The LT1620CS8 regulates average output current independent of input and output voltage variations. Output current can be easily adjusted via a programming voltage applied to the LT1620’s PROG pin.
Parametrics
LT1620CS8 absolute maximum ratings: (1)Power Supply Voltage, VCC: -0.3V to 7V; (2)Programming Voltage, PROG, PROG2: –0.3V to VCC+0.3V (7V Max); (3)IOUT, SENSE, AVG, AVG2, MODE Voltage: -0.3V to VCC+0.3V (7V Max); (4)Sense Amplifier Input Common Mode: –0.3V to 36V; (5)Operating Ambient Temperature Range, Commercial: 0℃ to 70℃; (6)Operating Ambient Temperature Range, Industrial: – 40℃ to 85℃; (7)Storage Temperature Range: –65℃ to 150℃; (8)Lead Temperature (Soldering, 10 sec): 300℃.
Features
LT1620CS8 features: (1)Accurate Output Current Programming; (2)Usable in Charging Applications Up to 32V Output; (3)Programmable Load Current Monitor for End-of-Charging-Cycle Notification (16-Pin Version); (4)Dual Function IC (LT1621) Allows Convenient Integration of Load and Input Current Sensing; (5)Level-Shifted Current Sense Output for Current Mode PWM Controllers; (6)Can be Used for NiCd, NiMH, Lead-Acid and Lithium-Ion Battery Charging; (7)Greater than 96% Efficiency Possible in Charger.
Diagrams
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 LT1620CS8 |
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IC AMP R-R CURRENT SENSE 8-SOIC |
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LT1620CS8#PBF |
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IC AMP R-R CURRENT SENSE 8-SOIC |
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LT1620CS8#TR |
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IC AMP CURRENT SENSE R-R 8SOIC |
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LT1620CS8#TRPBF |
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IC AMP R-R CURRENT SENSE 8-SOIC |
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