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| Step- |
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| R10R11 −INE1 |
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| VCCO |
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A |
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| 10 | VREF | Error |
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| L priority |
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150 kΩ 56 kΩ |
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CS1 10 ∝A | − Amp1 | PWM |
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CH1 ON/OFF signal | 68 kΩ | 11 |
| + | + Comp.1 |
| OUT1 |
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(Hiz : ON, L : OFF) | C16 |
| 220 | R8 |
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| Pch | 3 | + |
| D1 | + |
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| C12 | 9 |
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| IO = 200 mA |
| 10 | 10 |
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| ∝F | ∝F |
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| 1000 pF FB1 |
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| at VCCO | = 12 V | VS1 |
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| 4 | R4 |
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| Protection | + | 5 |
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| 2.7 kΩ |
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| R15R16 −INE2 |
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| C11 |
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B |
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| Ω | 15 | VREF | Error | L priority |
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100 kΩ 13 k |
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| 0.1 ∝F |
| Q2 | L2 | (3.3 V) |
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| CS2 10 ∝A | − Amp2 | PWM |
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CH2 ON/OFF signal | R14 |
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68 kΩ | 14 |
| + | + Comp.2 |
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(Hiz : ON, L : OFF) | C17 |
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| Pch | 22 |
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| 220 | R13 |
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| D2 | + |
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| 0.1 |
| kΩ |
| 1.24 V |
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| C6 | C7 |
| C8 |
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VIN | ∝F |
| 16 | L priority |
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| C14 |
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| IO = 200 mA |
| 10 | 10 |
| 82 |
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(7 V to 19 V) | 1000 pFFB2 |
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| at VCCO | = 12 V | VS2 |
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| H: | H priority |
| Current |
| 21 | R5 |
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| at SCP | SCP |
| Protection | + | 20 |
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| Comp. |
| Logic |
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| ILIM2 |
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| − | 3.1 V |
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| VCC − 5 V |
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| at OCP |
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Charging |
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current (1 mA) CSCP |
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| 2.5 V | Error Amp Power Supply | 23 |
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| C21 |
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| 1.5 V |
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| 1000 pF |
| UVLO |
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| VCC |
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| H: |
| Error Amp Reference | 7 | C10 |
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| UVLO release | bias | 1.24 V |
| CTL | 0.1 ∝F |
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| Power |
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| OSC |
| VREF |
| 24 |
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| accuracy | VR1ON/OFF |
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| ± 1% |
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| CTL | H : ON (Power ON) |
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| 12 13 | 5.0 V 17 |
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| 18 | L : OFF (Standby mode) |
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| RT | CT | VREF |
| GND | VTH = 1.4 V |
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| R1 | C1 | C20 |
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| 24 kΩ | 100 pF | 0.1 ∝F |
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