SM8132A Datasheet, PDF (7/18 Pages) Nippon Precision Circuits Inc – White LED Driver IC

V_OUT Efficiency
SM8132A
100
90
80
VF = 3.2V
70
VF = 3.4V
VF = 3.6V
60
VF = 3.8V
50
3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6
VIN [V]
Efficiency of P_IN vs. P_OUT
(LED × 4pcs, I_LED = 20mA, I_OUT = 80mA)
100
90
80
VF = 3.2V
70
VF = 3.4V
VF = 3.6V
60
VF = 3.8V
50
3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6
VIN [V]
Efficiency of P_IN vs. P_OUT
(LED × 3pcs, I_LED = 15mA, I_OUT = 45mA)
NIPPON PRECISION CIRCUITS INC.—7