LM3622AMX-4.2 National Semiconductor, LM3622AMX-4.2 Datasheet
LM3622AMX-4.2
Specifications of LM3622AMX-4.2
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LM3622AMX-4.2 Summary of contents
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... The LM3622 can sink 15mA minimum at the EXT pin to drive the base of an external PNP pass transistor. It also has Typical Application © 2004 National Semiconductor Corporation low-voltage battery threshold circuitry that removes this drive when the cell voltage drops below a preset limit. The LV pin programs this threshold voltage to either 2 ...
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Connection Diagram Refer to the Ordering Information Table in this Datasheet for Specific Part Number Pin Description Pin No. Name I Input SEL 2 LV Input ENB 3 LV Output 4 GND Ground 5 CS Input 6 CEL ...
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... Standard Order Information ± 30mV LM3622AM-4.1 ± 30mV LM3622AMX-4.1 ± 50mV LM3622M-4.1 ± 50mV LM3622MX-4.1 ± 30mV LM3622AM-4.2 ± 30mV LM3622AMX-4.2 ± 50mV LM3622M-4.2 ± 50mV LM3622MX-4.2 ± 60mV LM3622AM-8.2 ± 60mV LM3622AMX-8.2 100mV LM3622M-8.2 100mV LM3622MX-8.2 ± 60mV LM3622AM-8.4 ± ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ( EXT (Note 2) LV SEL LV ENB ESD Susceptibility (Note 3) Storage Temperature Lead Temp. Soldering Vapor Phase (60 sec.) Infrared (15 sec.) Electrical Characteristics ...
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Electrical Characteristics Note 85˚C, 1000 hours. Activation energy of 0.78eV used. J Typical Performance Characteristics Unless otherwise specified 25˚C. A Output Voltage Regulation 10097405 Output Drive Current 10097406 (Continued) ...
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Functional Description The simplified LM3622 block diagram in Figure 1 gives a general idea of the circuit operation. The controller integrates the reference, feedback and drive functions on-chip to con- trol a linear, lithium-ion battery charger in constant voltage and ...
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Typical Application FIGURE 2. Low Dropout, Constant Current/Constant Voltage Li-ion Battery Charger The low dropout linear charger shown in Figure 2 provides constant current and constant voltage charging of 1-cell lithium-ion battery packs. J1 and J2 are used for selecting ...
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Timing Diagram FIGURE 3. Typical Charge Cycle with Low-Voltage Detection Enabled. www.national.com 10097412 8 ...
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... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...