The Design of 2S2L-Based Buck-Boost Converter with a Wide Conversion Range

Table 1

Comparisons with Various Negative Output Topologies.

References	Parameters
	No. of switches	No. of diodes	No. of inductors	No. of capacitors	M(D)
[4]	1	1	2	2	D/1 − D
Converter–1 [12]	1	2	2	3	−1/1 − D
Converter–2 [12]	2	3	3	3	−1/(1 − D)^2
Converter–1 [15]	1	3	2	2	D^2
Converter–2 [15]	1	3	2	2	D^2
Converter–3 [15]	1	3	2	2	−D^2/1 − D
Converter–4 [15]	1	3	2	2	−D^2/1 − D
[16]	1	3	2	2	−D^2/1 − D
[18]	1	3	2	2	D^2/(1 − D)^2
Proposed converter	2	2	2	2	−D(2 − D)/(1 − D)^2