ETA ETA3413
Step-Down Converter
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● 1uH VIN 4 IN SW 3 VOUT 10uF ETA3413 R1 10uF optional EN 1 EN FB 5 GND 2 R2 1 Empower Thinkers EN 1 GND 2 SW 3 5 FB SOT23-5 4 IN 2 Empower Thinkers VOUT=1.8V ŋ 3 VOUT=1.2V Empower Thinkers 4 Empower Thinkers EN 0.6V Ref UVLO & Thermal shutdown IN + ISense - + + EA - Σ PWM Anti-ShootThrough Comp Logic Driver SW Network 3MHz OSC FB Slope Comp + Vcomp - GND 5 Empower Thinkers 1 2∗π√COUT∗L 6 Empower Thinkers VOUT 10uF 47pF R1 EN 1uH EN 1 5 FB R2 GND 2 ETA3413 GND SW 3 GND GND trace goes underneath the IC body to have shortest connection to Cin . 4 IN 10uF VIN Cin has to be placed very close to VIN and GND pins. 7 Empower Thinkers 8 Empower Thinkers
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● 1uH VIN 4 IN SW 3 VOUT 10uF ETA3413 R1 10uF optional EN 1 EN FB 5 GND 2 R2 1 Empower Thinkers EN 1 GND 2 SW 3 5 FB SOT23-5 4 IN 2 Empower Thinkers VOUT=1.8V ŋ 3 VOUT=1.2V Empower Thinkers 4 Empower Thinkers EN 0.6V Ref UVLO & Thermal shutdown IN + ISense - + + EA - Σ PWM Anti-ShootThrough Comp Logic Driver SW Network 3MHz OSC FB Slope Comp + Vcomp - GND 5 Empower Thinkers 1 2∗π√COUT∗L 6 Empower Thinkers VOUT 10uF 47pF R1 EN 1uH EN 1 5 FB R2 GND 2 ETA3413 GND SW 3 GND GND trace goes underneath the IC body to have shortest connection to Cin . 4 IN 10uF VIN Cin has to be placed very close to VIN and GND pins. 7 Empower Thinkers 8 Empower Thinkers