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NCP5252MNTXG Datasheet(PDF) 5 Page - ON Semiconductor |
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NCP5252MNTXG Datasheet(HTML) 5 Page - ON Semiconductor |
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5 / 16 page  NCP5252 http://onsemi.com 5 ELECTRICAL CHARACTERISTICS (VCC = 4.5 to 13.2 V, TA = −40°C to 85°C, unless other noted) Characteristics Symbol Test Conditions Min Typ Max Unit SUPPLY VOLTAGE Input Voltage VCC 4.5 13.2 V POR Threshold for Internal Reset Logic VCC_POR 3.0 3.7 V SUPPLY CURRENT VCC Quiescent Supply Current ICC_FPWM EN/SKIP = 5 V, VFB = 1 V (No switching), VCC = 4.5 V to 13.2 V 1.0 2.5 mA VCC Shutdown Current IVCC_SD EN/SKIP = 0 V 10 mA BST Quiescent Supply Current IBST_FPWM EN/SKIP = H, VFB = 1 V, VBST = 5 V 0.3 mA BST Shut Down Current IBST_SD EN/SKIP = L, VFB = 1 V, VBST = 5 V 10 mA VCC Input Current IVCC FREQ_SET = AGND. FREQ = 333 kHz 18 mA LDO REGULATOR V5 Regulator Voltage V5 VCC > 6 V, IV5 = 5 mA 4.85 5.0 5.15 V V5 Rise Threshold V5_th+ Wake Up 4.1 4.3 4.45 V V5 UVLO Hysteresis V5HYS 300 400 500 mV V5 Loading V5LOAD 3.0 mA V5 Current Limit ILIMIT_V5 20 mA Drop−out Voltage (VCC − V5) VDR Io = 5 mA, TA = 25°C, VCC = 4.5 V, FB = 1V 200 mV POWER GOOD Power Good High Threshold VPGH PGOOD in from higher Vo (PGOOD goes high) 100 110 120 % Power Good High Hysteresis VPGH_HYS PGOOD high hysteresis (PGOOD goes low) 5 % Power Good Low Threshold VPGL PGOOD in from lower Vo (PGOOD goes high) 75 85 95 % Power Good Low Hysteresis VPGL_HYS PGOOD low hysteresis (PGOOD goes low) −5 % Power Good High Delay Td_PGH 150 ms Power Good Low Delay Td_PGL 1.5 ms Output Overvoltage Rising Threshold OVPth+ OVPth+ = VPGH + VPGH_SYS 105 115 125 % Over voltage Fault Propagation Delay OVPTblk FB Forced 2% above trip threshold 1.5 ms Output Undervoltage Trip Threshold UVPth UVPth = VPGL + VPGL_HYS 70 80 90 % Output Undervoltage Protection Blanking Time UVPTblk 8.0 ms REFERENCE OUTPUT Internal Reference Voltage VREF 25°C −40°C to 85°C 0.594 0.591 0.6 0.6 0.606 0.609 V Output Voltage Accuracy (Note 1) VIN = 12 V, Io = 0 A to 2 A −1 0 +1 % Line Regulation (Note 1) VIN = 5 to 12 V, IOUT = 500 mA 0.1 %/V OSCILLATOR Operation Frequency FSW FREQ_SET = V5 900 1000 1100 kHz FREQ_SET = NC 450 500 550 kHz FREQ_SET = AGND 300 333 366 kHz INTERNAL SOFT−START Soft−Start Time tSS Digital Soft−Start (VOUT from 10% to 90%) 800 ms 1. Guaranteed by design, not tested in production. 2. Test mode disables the Ton/Toff min. |
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