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IC901 XPC18A32FCR2 |
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| VIF | VA |
| VAFB |
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| GND | VC | VCO | VC | VC OUT L1 NC | PGND1 | PGND1 |
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| 42 | 41 |
| 40 |
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| 37 | 36 | 35 | 34 | 33 32 31 30 29 |
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NC 43 |
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| OUTPUT |
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| OUTPUT SW |
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| 28 | L1 | |||||
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| SW |
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VD | 44 |
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| SERIES PASS |
| SERIES PASS |
| SERIES PASS |
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| VC |
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OUTPUT SW |
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| VG |
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VC2 | 45 | REGULATOR VA | REGULATOR VD |
| REGULATOR VIF |
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| POWER |
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| 27 | RF1 | ||
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| SWITCH 1 |
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| VC | VC | VC |
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| 26 | INM1 | |
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| PWM |
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| PRE DRIVER |
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| 25 | DTC1 | ||
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XRST 46 | OUTPUT SW |
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CRST 47 |
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| 24 | DTC2 | |
RSTREF | 48 |
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| BANDGAP |
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| 23 | RF2 | ||
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| REFERENCE |
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VREF | 49 |
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| VG |
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| VB |
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VB | 50 |
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| PWM |
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| 21 | PWM1 | |
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GND | 51 | VC |
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| VG |
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| VSTB |
| VC |
| VB |
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| VB | VC |
| POWER |
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| 20 | PWM2 | ||||
CLKSEL | 52 |
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| SWITCH 2 | PRE DRIVER |
| VB |
| VB | VC | VG |
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VAIFON | 53 |
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| 19 | VG | |||||
FFCLR | 54 |
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| OUTPUT | |||||||||
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| CONTROL |
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| DC/DC |
| 18 | LG | |||||||
SLEEP 55 |
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| SW |
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| VSTB |
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| CONVERTER |
| 17 | PGND2 | |||||
CLK | 56 |
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| FFCLR |
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| OUTPUT SW |
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| 16 | L2 | |||||
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| 15 | NC |
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| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
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| VLON | XWK1 | XWK2 | XWK3 | XWK4 | VSTB | VRMC |
| GND | VL | VLO | VL | L2 | PGND2 | PGND2 |
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47
