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IP1837 Datasheet(PDF) 8 Page - International Rectifier |
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IP1837 Datasheet(HTML) 8 Page - International Rectifier |
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8 / 40 page  iP1837 Highly Integrated 35A Single‐input Voltage, Synchronous Buck Regulator March 5, 2012 | V1.26 8 97600 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT VCC – Start – Threshold VCC_UVLO_Start VCC Rising Trip Level 2.6 2.8 3.1 VCC – Stop – Threshold VCC_UVLO_Stop VCC Falling Trip Level 2 2.2 2.5 Enable – Start – Threshold Enable_UVLO_Start Supply ramping up 1.14 1.2 1.36 Enable – Stop – Threshold Enable_UVLO_Stop Supply ramping down 0.9 1.0 1.06 V Oscillator Rt Voltage 1 V 450 500 550 Frequency Range FS 1350 1500 1650 kHz Ramp Offset Ramp (os) Note 3 0.4 V Min Pulse Width Dmin (ctrl) Note 3 50 ns Fixed Off Time Note 3 130 200 ns Max Duty Cycle Dmax 75 % Error Amplifier Input Bias Current IFb(E/A) ‐1 +1 µA Input Bias Current IVp(E/A) ‐1 +1 µA Sink Current Isink(E/A) 0.6 0.9 1.2 mA Source Current Isource(E/A) 5 8 12 mA Slew Rate SR Note 3 7 12 20 V/µs Gain‐Bandwidth Product GBWP Note 3 20 30 40 MHz DC Gain Gain Note 3 100 110 120 dB Maximum Voltage Vmax(E/A) 1.7 2 2.3 V Minimum Voltage Vmin(E/A) 100 mV Remote Sense Differential Amplifier Unity Gain Bandwidth BW_RS Note 3 3 6.4 9 MHz DC Gain Gain_RS Note 3 110 dB Offset Voltage Offset_RS ‐3 0 3 mV Source Current Isource_RS 3 9 20 mA Sink Current Isink_RS 0.4 1 2 mA Slew Rate Slew_RS Note 3, Cload = 100pF 2 4 8 V/µs VOSEN+ input impedance Rin_RS+ 70 120 200 kohm VOSEN‐ input impedance Rin_RS‐ Note 3 70 120 200 kohm Maximum Voltage Vmax_RS V(PVCC) – V(Vosp) 0.5 1 1.5 V Minimum Voltage Min_RS 50 mV Soft Start Soft Start Charge Current Iss_Charg 14 20 26 µA Clamp Voltage Vss (Clamp) 3 3.3 3.6 µA Offset Voltage Vss (offset) 100 170 250 mV |
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Similar Description - IP1837 |
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