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MB3887
■PIN DESCRIPTION
Pin No. | Symbol | I/O | Descriptions | |
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1 | −INC2 | I | Current detection amplifier (Current Amp2) input terminal. | |
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2 | OUTC2 | O | Current detection amplifier (Current Amp2) output terminal. | |
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3 | +INE2 | I | Error amplifier (Error Amp2) | |
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4 | −INE2 | I | Error amplifier (Error Amp2) inverted input terminal. | |
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5 | FB2 | O | Error amplifier (Error Amp2) output terminal. | |
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6 | VREF | O | Reference voltage output terminal. | |
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7 | FB1 | O | Error amplifier (Error Amp1) output terminal. | |
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8 | −INE1 | I | Error amplifier (Error Amp1) inverted input terminal | |
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9 | +INE1 | I | Error amplifier (Error Amp1) | |
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10 | OUTC1 | O | Current detection amplifier (Current Amp1) output terminal. | |
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| With IC in standby mode, this terminal is set to | |
11 | OUTD | O | of current through output voltage setting resistance. | |
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| Set CTL terminal to “H” level to output “L” level. | |
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12 | −INC1 | I | Current detection amplifier (Current Amp1) input terminal. | |
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13 | +INC1 | I | Current detection amplifier (Current Amp1) input terminal. | |
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| Power supply control terminal. | |
14 | CTL | I | Setting the CTL terminal at “L” level places the IC in the standby | |
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| mode. | |
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15 | FB3 | O | Error amplifier (Error Amp3) output terminal. | |
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16 | −INE3 | I | Error amplifier (Error Amp3) inverted input terminal. | |
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17 | RT | | ||
terminal. | ||||
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18 | VCC | | Power supply terminal for reference power supply and control circuit. | |
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19 | VH | O | Power supply terminal for FET drive circuit (VH = VCC − 6 V) . | |
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20 | OUT | O | External FET gate drive terminal. | |
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21 | VCC (O) | | Output circuit power supply terminal. | |
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22 | CS | | ||
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23 | GND | | Ground terminal. | |
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24 | +INC2 | I | Current detection amplifier (Current Amp2) input terminal. | |
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