MB3878
■ELECTRICAL CHARACTERISTICS
(Ta = +25 °C, VCC = 19 V, VCC (O) = 19 V, VREF = 0 mA)
Parameter | Symbol | Pin | Conditions |
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No. | Min | Typ | Max | ||||||
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| Output voltage | VREF | 6 | Ta = +25 °C | 4.995 | 5.000 | 5.045 | V | |
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Reference | Ta = −30 °C to +85 °C | 4.945 | 5.000 | 5.055 | V | ||||
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Input stability | Line | 6 | VCC = 7 V to 25 V | | 3 | 10 | mV | ||
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(Ref) | Load stability | Load | 6 | VREF = 0 mA to −1 mA | | 1 | 10 | mV | |
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| Ios | 6 | VREF = 1 V | −25 | −15 | −5 | mA | ||
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| VTLH | 18 | VCC = VCC (O) , | 6.1 | 6.4 | 6.7 | V | |
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| Threshold voltage |
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Under voltage | VTHL | 18 | VCC = VCC (O) , | 5.1 | 5.4 | 5.7 | V | ||
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| VCC = | ||||||||
lockout protection |
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Hysteresis width | VH | 18 | VCC = VCC (O) | 0.7 | 1.0 | 1.3 | V | ||
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(UVLO) | Threshold voltage | VTLH | 6 | VREF = | 2.6 | 2.8 | 3.0 | V | |
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| VTHL | 6 | VREF = | 2.4 | 2.6 | 2.8 | V | ||
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| Hysteresis width | VH | 6 | VH = VTLH − VTHL | 0.05 | 0.20 | 0.35 | V | |
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Charge current | ICS | 22 | | −1.3 | −0.8 | −0.5 | ∝A | ||
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Triangular | Oscillation | fOSC | 20 | RT = 47 kΩ | 260 | 290 | 320 | kHz | |
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waveform |
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Frequency |
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oscillator circuit | Δf/fdt |
| Ta = −30 °C to +85 °C | |
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temperature | 20 | 1* | |||||||
block (OSC) | |||||||||
stability |
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| Input offset | VIO | 3, 4, | FB1 = FB2 = 2 V | | 1 | 5 | mV | |
| voltage |
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| Input bias current | IB | 3, 4, | | −100 | −30 | | nA | |
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| Common mode |
| 3, 4, | |
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| input voltage | VCM | 0 | V | |||||
| 8, 9 | 1.8 | |||||||
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Error amplifier |
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Voltage gain | AV | 5, 7 | DC | | 100* | | dB | ||
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(Error Amp.1, | Frequency | BW | 5, 7 | AV = 0 dB | | 2.0* | | MHz | |
Error Amp.2) | bandwidth | ||||||||
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| Output voltage | VFBH | 5, 7 | | 4.7 | 4.9 | | V | |
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| VFBL | 5, 7 | | | 20 | 200 | mV | ||
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| Output source | ISOURCE | 5, 7 | FB1 = FB2 = 2 V | | −2.0 | −0.6 | mA | |
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| Output sink | ISINK | 5, 7 | FB1 = FB2 = 2 V | 150 | 300 | | ∝A | |
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* : Standard design value. |
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| (Continued) |
6