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UC6580 Hardware Reference Design
UC-06-C21 EN R1.0 Appendix Simplest Design to Replace UC6226 9
Table 0-1 Simplest design to replace UC6226
Pin No. UC6226NI/AS UC6580 Description
1 VDD_ANA IF_OUT
UC6580: floating
Not compatible
4 XTAL_O TM
Both floating
Compatible
5 LDO_F_OUT LDO_EX
Both connect a 1 μF capacitor externally
Compatible
8 PIO17 V_DET
UC6580: can be floating or connect a 1 μF
capacitor externally
Partially compatible
9 NC VDD_ANT
UC6580: can be floating or connect a 1 μF
capacitor externally
Partially compatible
10 PIO18 LDO_RET
UC6580: connects a 1 μF capacitor externally
Not compatible
20 T_SENSE VQPS
Both floating
Compatible
22 V_DCDC_OUT DCDC_OUT
UC6580: L2 = 1μH, C8 = 10 μF
Not compatible
38 LDO_RF_OUT L5_IN
UC6580: connects RF signals if L5 channel is
used, otherwise floating
Not compatible
39 VDD_LNA T_TEST
UC6580: internal test pin, floating
Not compatible
40 LNA_IN L1_IN
UC6580: L3 = 2.2 nH, C14 = 2.0 PF
Not compatible