Low dropout, constant-current/constant-voltage 3A battery charger
Chiawei Liao
Abstract
A low dropout, constant-current/ constant-voltage 3A battery charger is described.
Keywords
Battery charger
LT1511
Introduction
The LT1511 current mode PWM battery charger is the simplest, most efficient solution for fast charging modern rechargeable batteries that require constant-current and/or constant-voltage charging including lithium-ion (Li-Ion), nickel-metal-hydride (NiMH) and nickel-cadmium (NiCd).
Higher duty cycle for the LT1511 battery charger
Maximum duty cycle for the LT1511 constant-current/constant-voltage battery charger is typically 90%, but this may be too low for some applications. For example, if an 18V ±3% ...
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