ver: 0.2 nov 12, 2013 tel: 886-3-5788833 http://www.gmt.com.tw 1 G2218 global mixed-mode technology 6+5+4 channels pmu features ? 2.5v ~ 5.5v input voltage operation. ? 95% efficient dc/dc converter ? built-in 6-ch synchronous buck converter, 5-ch ldos, and 4-ch power switches. ? low power consumption (sleep mode ) < 10a. ? built-in power on/off sequence for pmu. ? built-in short circuit protection (scp), under voltage protection (uvp), and cycle-by cycle current limit for dc/dc converters. ? built-in thermal shutdown function.. ? tqfn40 package (5mmx5mm). general description the G2218 provide a complete power supply solution. on-chip mosfets provide up to 92~95% efficiency for critical power supplies. all channels dc/dc operate at one fixed frequency of 1.5mhz to optimize size, cost, and efficiency. all synchronous converters operate at pulse skipping mode at light load. applications ? tablet pc ? ordering information order number marking temp. range package (green) G2218rg1u 2218 -35 c~+85 c tqfn5x5-40 note: rg:tqfn5x5-40 1: bonding code u: tape & reel pin configuration dcdc2 swo4 swin24 swo2 swo3 vin2 lx2 onvdd lx5 vin5 dcdc5 lx1 swo1 ldo1 ldo5 ldo4 ldoin4 ldo2 ldoin23 ldo3 vin1 dcdc4 vin4 lx4 setl45 vcc onpmu 1 2 3 4 5 6 7 8 9 10 vin3 dcdc3 dcdc6 vin6 pok_pmu pok_vdd pok_core 11 12 13 14 15 16 17 18 19 20 G2218 tqfn5x5-40 thermal pad 30 29 28 27 26 25 24 23 22 21 40 39 38 37 36 35 34 33 32 31 oncore vbg ldoin5 lx3 note: recommend connecting the thermal pad to the ground for excellent power dissipation. dcdc1 lx6 dcdc2 swo4 swin24 swo2 swo3 vin2 lx2 onvdd lx5 vin5 dcdc5 lx1 swo1 ldo1 ldo5 ldo4 ldoin4 ldo2 ldoin23 ldo3 vin1 dcdc4 vin4 lx4 setl45 vcc onpmu 1 2 3 4 5 6 7 8 9 10 vin3 dcdc3 dcdc6 vin6 pok_pmu pok_vdd pok_core 11 12 13 14 15 16 17 18 19 20 G2218 tqfn5x5-40 thermal pad 30 29 28 27 26 25 24 23 22 21 40 39 38 37 36 35 34 33 32 31 oncore vbg ldoin5 lx3 note: recommend connecting the thermal pad to the ground for excellent power dissipation. dcdc1 lx6
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