A High Efficiency Li-Ion Battery LDO-Based Charger for Portable Application

Table 1

Summary of simulation results.

Topology	Adaptive LDO
Technology	0.18 μm
Supply voltage (V)	4.8–5
Efficiency (%)	87 at 4.8 V; 84 at 5 V
Output voltage (V)	2.5–4.2
Maximum charging current	448 mA
Chip area	1.172 mm^2