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IP1827 Datasheet(PDF) 9 Page - International Rectifier |
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IP1827 Datasheet(HTML) 9 Page - International Rectifier |
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9 / 39 page ![]() iP1827 Highly Integrated 25A Single‐input Voltage, Synchronous Buck Regulator March 5, 2012 | V1.4 9 97599 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT Shutdown Output Threshold SD 0.1 V Bootstrap Diode Forward Voltage I(Boot) = 30mA, Note 3 360 520 960 mV Switch Node SW Leakage Current lsw SW = 0V, Enable = 0V 3 µA Charge Pump (PVCC) Output Voltage PVCC VCC = 3.3V, Fs = 1500 kHz, Cload = 2.2uF 5.7 6.15 6.5 V Oscillator Frequency Fs_CP Fs kHz Body Braking BB Threshold BB_threshold Fb > Vref, Sw duty cycle 0 % Power Good Power Good Lower Threshold VPG (lower) Voso rising 0.48 0.51 0.54 V Lower Threshold Delay VPG (lower)_Dly Voso rising 256/Fs s PGood Voltage Low PG (voltage) IPGood = ‐5mA 0.5 V Leakage Current ILEAKAGE 0 1 µA Over Voltage Protection (OVP) OVP Trip Threshold OVP (trip) Voso rising 0.67 0.7 0.73 V OVP Fault Prop Delay OVP (delay) Voso rising, Note 3 200 ns Over‐Current Protection OC Trip Current ITRIP OC set pin left floating, PVCC = 6.5V, TJ = 85°C 36 40 44 A SS Off Time SS_Hiccup Note 3 4096/ Fs s Thermal Shutdown Thermal Shutdown Note 3 145 °C Hysteresis Note 3 20 °C Notes 3. Guaranteed by design but not tested in production. |
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