Datasheet IR3826 (Infineon) - 10

IR 8 OptiMOS™ IPOL 23 A single-voltage synchronous Buck regulator Electrical characteristics 7 Electrical characteristics
Note: Unless otherwise specified, the specifications apply over, V ≤ Vin = PVin ≤ V, in °C < TJ < 125 °C. Typical values are specified at Ta = 25 °C.
Parameter Symbol Conditions Min Typ Max Unit Power Stage
Vin = 12 V, VO = 1.2 V, IO = 23 A, Fs = 600 kHz, L = Power Losses PLOSS 215 nH, Natural 3.47 W Convection, Vcc = Internal LDO, Note 7 VBoot – Vsw= 5.3 V, I Top Switch R O = ds(on)_Top 3.8 23 A, Tj =25 °C mΩ Vcc = 5.3 V, I Bottom Switch R O = 23 A, Tj ds(on)_Bot 2.25 =25 °C I(Boot) = 15 mA, 200 420 500 mV Bootstrap Diode Forward Tj = 25 °C Voltage I(Boot) = 15 mA, 200 420 600 mV 0 °C < Tj < 125 °C SW = 0 V, Enable = 0 V SW Leakage Current ISW SW = 0 V, Enable = high, 1 µA No Switching Dead Band Time Tdb Note 7 20 ns
Supply Current
Vin Vin Supply Current Iin(Standby) EN = Low, No Switching 100 150 µA (standby) Vin Supply Current Iin(Dyn) EN = High, Fs = 600 kHz, 15 25 mA (dynamic) Vin=Pvin=17 V
VCC LDO Output
Vcc Vin(min) = 6 V, Icc = 0- Output Voltage Vcc 5.0 5.3 5.6 V 50 mA, Cload = 2.2 µF Vin = 5 V, Icc=30 mA, VCC Dropout Vcc_drop 0.88 V Cload=2.2 µF Short Circuit Current Ishort - 60 - mA
Oscillator
RT Rt Voltage Vrt 1.0 V Rt = 80.6 kΩ 270 300 330 Frequency Range Fs (Note 9) Rt = 39.2 kΩ 540 600 660 kHz Rt = 15.0 kΩ 1350 1500 1650 Vramp Vin = 6 V, Note 7 0.90 Ramp Amplitude Vin slew rate max = Vin = 12 V, Note 7 1.80 Vp-p 1V/µs Vin = 17 V, Note 7 2.55 Final Datasheet 10 of 53 V2.4 June 28 2019 Document Outline Revision History Trademarks Disclaimer