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IR3883MTRPBF Datasheet(PDF) 9 Page - Infineon Technologies AG |
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IR3883MTRPBF Datasheet(HTML) 9 Page - Infineon Technologies AG |
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9 / 43 page  IR3883 SupIRBuck® Synchronous Buck Regulator Specifications Datasheet 9 Rev 3.0 08/20/2016 Note: 7. Hot and Cold temperature performance is assured via correlation using statistical quality control. Not tested in production. 8. Ensured by design but not tested in production. Toff(Min) Minimum Off-Time VFB = 0V, Tj = 25°C 240 320 ns Internal Regulator (LDO) VCC LDO Output Voltage 5.5V < Vin < 14V, 0A - 5.5mA 4.9 5.2 5.4 V 4.5V < Vin < 5.5V, 0A - 5.5mA 4.4 - - V VLN Line Regulation 5.5V < Vin < 14V, 5.5mA - - 30 mV VLD Load Regulation 0A - 5.5mA - - 100 mV Ishort Short Circuit Current - 90 - mA Thermal Shutdown Thermal Shutdown 8. -145 - oC Hysteresis 8. -25 - oC Under Voltage Lockout VCC_UVLO_ Start VCC Start Threshold VCC Rising Trip Level 4 4.2 4.4 V VCC_UVLO_ Stop VCC Stop Threshold VCC Falling Trip Level 3.6 3.8 4.1 V Enable_High Enable Threshold Ramping up 1.14 1.2 1.36 V Enable_Low Ramping down 0.9 1 1.06 V REN Input Impedance 500 1000 1500 kΩ VFCCM_start FCCM Start Threshold 2.6 - - V VFCCM_stop FCCM Stop Threshold - - 2.3 V Current Limit IOC Current Limit Threshold 0°C<Tj<125°C, OCSET=PGND 4.0 5.14 5.9 A 0°C<Tj<125°C, OCSET=float8. 3.2 4.04 4.6 0°C<Tj<125°C, OCSET= VCC 8. 2.3 2.95 3.4 Tblk_Hiccup Hiccup Blanking Time 8. -20 - ms Over Voltage Protection VOVP Output OV Protection Threshold OVP detect 115 120 125 % TOVPDEL Output OV Protection Delay - 5 - μs Power Good VPG(upper) Power Good Threshold Fb Rising 85 90 95 % Vref VPG(lower) Power Good Threshold Fb Falling 80 85 90 % Vref IPG Power Good Sink Current PG = 0.5V, En = 2V 2.5 5 - mA VPG(low) Power Good Voltage Low when no supply Vin = Vcc = 0V, Rpull-up = 50kΩ to 3.3V -0.3 0.5 V Table 5-4 Electrical Characteristics Symbol Parameter Test Conditions Min Typ Max Units |
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