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B82559A0142A013 Datasheet(PDF) 4 Page - Microchip Technology |
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B82559A0142A013 Datasheet(HTML) 4 Page - Microchip Technology |
4 / 44 page MCP19035 DS22326A-page 4 2012 Microchip Technology Inc. Error Amplifier Gain Bandwidth Product GBP 6.5 10 — MHz Note 1 Open Loop Gain AOL 70 80 — dB Note 1 Input Offset Voltage VOS -5 0.1 5 mV Note 1 Input Bias Current (FB Pin) IBIAS —— 5 nA Note 1 Error Amplifier Sink Current ISINK —5— mA Note 1 Error Amplifier Source Current ISOURCE —5— mA Note 1 PWM Section Maximum Duty Cycle DCMAX 85 — — % Note 1 Minimum ON time tON(MIN) 130 — 240 ns 6V VIN < 30V, Note 1 Soft Start Soft Start Time tSS —2.6 — ms Shutdown Logic Low-to-High Threshold SHDNHI 0.75 — — V 4.5V VIN < 30V Logic High-to-Low Threshold SHDNLO — — 0.4 V 4.5V VIN < 30V Power Good Power Good Threshold High PGTH-H —92 96 % of VREF Power Good Threshold Low PGTH-LOW 88 90 — % of VREF Power Good Threshold Hysteresis PGTH-HYS —2— % of VREF Power Good Delay tPG-DELAY — 150 — us VFB = (PGTH-HI + 100 mV) to (PGTH-LOW – 100 mV) Power Good Active Time-Out Period tPG-TIME-OUT — 120 — ms VFB = (PGTH-HI – 100 mV) to (PGTH-HI + 100 mV) MOSFET Drivers High-Side Driver Pull-up Resistance RHI-SOURCE —2 3.5 VBOOT –VPHASE = 4.5V, IHDRV = 100 mA, Note 1 High-Side Driver Pull- Down Resistance RHI-SINK —2 3.5 VBOOT –VPHASE = 4.5V, IHDRV = 100 mA, Note 1 Low-Side Driver Pull-Up Resistance RLO-SOURCE —2 3.5 VCC = 5V, Note 1 Low-Side Driver Pull- Down Resistance RLO-SINK —1 2.5 VCC = 5V, Note 1 HDRV Rise Time tRH —15 35 ns CLOAD = 1.0 nF, Note 1 HDRV Fall Time tFH —15 35 ns CLOAD = 1.0 nF, Note 1 LDRV Rise Time tRL —10 25 ns CLOAD = 1.0 nF, Note 1 DC ELECTRICAL CHARACTERISTICS (CONTINUED) Electrical Specifications : Unless otherwise noted, VIN = 12V, FSW = 300 kHz, CIN = 1.0 µF, TA = +25°C (for typical values), TA = -40°C to +125°C (for minimum and maximum). Parameters Symbol Min Typ Max Units Conditions Note 1: Ensured by design. Not production tested. 2: Limited by the maximum power dissipation of the case. 3: Possibility to be adjusted for high volumes. |
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