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NCP5252MNTXG Datasheet(PDF) 6 Page - ON Semiconductor |
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NCP5252MNTXG Datasheet(HTML) 6 Page - ON Semiconductor |
6 / 16 page NCP5252 http://onsemi.com 6 ELECTRICAL CHARACTERISTICS (VCC = 4.5 to 13.2 V, TA = −40°C to 85°C, unless other noted) Characteristics Unit Max Typ Min Test Conditions Symbol SWITCHING MODULATOR Minimum Ton Ton_min (Note 1) 40 50 60 ns Minimum Toff Toff_min (Note 1) 200 225 250 ns PWM Comparator Offset (Note 1) 5.0 10 mV Propagation Delay of PWM Comparator TD_PWM (Note 1) 20 ns VOLTAGE ERROR AMPLIFIER DC Gain GAIN_VEA (Note 1) 80 88 dB Open−Loop Phase Margin PH_EA (Note 1) 50 Deg Unity Gain Bandwidth BW_VEA (Note 1) 15 20 MHz Slew Rate SR_VEA COMP PIN TO GND = 100 pF (Note 1) 5.0 V/ms FB Bias Current Ibias_FB 0.1 mA Output Voltage Swing Vmax_EA Isource_EA = 2mA 3.3 3.5 V Vmin_EA Isink_EA = 2mA 0.15 0.3 V OVERCURRENT PROTECTION LIMIT High Side Peak Current Limit (Cycle−by−Cycle) HSOC Ton Minimum > 100 ns (Notes 1 & 2) 3.4 4.0 4.6 A Low Side Valley Current Limit, Short−Circuit (4 ms) LSOC_S (Notes 1 & 2) 3.0 3.75 4.5 A Low Side Valley Current Limit (Current Limit, 16 ms) LSOC_L (Notes 1 & 2) 2.0 2.5 3.4 A POWER OUTPUT SECTION Internal Main FET ON−Resistance RDS(on)_M (ILX=100mA, VBST−LX = 5 V, FB = 0, TA = 25°C) (Note 1) 150 225 mW Internal Sync FET ON−Resistance RDS(on)_F (ILX = 100 mA, FB = 1 V, TA = 25°C) (Note 1) 100 150 mW LX Leakage Current LX_LK VEN = 0V, LX = 0, VCC = 13.2 V +5.0 mA LX = 13.2, VCC = 13.2 V −5.0 mA CONTROL SECTION EN / SKIP Logic Input Voltage for Disable VEN_DISABLE Set as Disable 0.7 1.0 1.3 V VEN_HYS Hysteresis 300 mV EN / SKIP Logic Input Voltage for FPWM VEN_FPWM Set as FCCM mode 1.7 1.95 2.10 V EN / SKIP Logic Input Voltage for Skip Mode VEN_SKIP Set as SKIP Mode 2.25 2.45 2.65 V VEN_HYS Hysteresis 250 mV EN / SKIP Source Current IEN_SOURCE VEN_SKIP = 0 V 0.1 mA EN / SKIP Sink Current IEN_SINK VEN_SKIP = 5 V 0.1 mA EN_SKIP Logic Input Delay Change mode delay active 3 Clk PGOOD Pin ON Resistance PGOOD_R I_PGOOD = 5 mA 75 W PGOOD Pin OFF Current PGOOD_LK PGOOD = 5 V 1 mA OUTPUT DISCHARGE MODE Output Discharge On−Resistance Rdischarge EN = 0 V 20 35 W THERMAL SHUTDOWN Thermal Shutdown Tsd (Note 1) 150 °C Thermal Shutdown Hysteresis Tsdhys (Note 1) 25 °C 1. Guaranteed by design, not tested in production. 2. Test mode disables the Ton/Toff min. |
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