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LV5050NV_0812 Datasheet(PDF) 2 Page - Sanyo Semicon Device |
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LV5050NV_0812 Datasheet(HTML) 2 Page - Sanyo Semicon Device |
2 / 7 page LV5050NV No.A1159-2/7 Continued from preceding page. Parameter Symbol Conditions Ratings Unit Allowable terminal voltage *2 1 HDRV,CBOOT 28 V 2 Between HDRV, CBOOT and SW 6.5 V 3 VIN, ILIM, RSNS, SW, PGOOD 18 V 4 VLIN5, VDD, LDRV 6.5 V 5 COMP, FB, SS, UV_DELAY TD, CT, CLKO VLIN5+0.3 V *2: The Allowable Terminal Voltage, the SGND+PGND pin becomes a standard except for No.2 of the allowable terminal voltage about No.2 of the allowable terminal voltage, the SW pin becomes a standard. Recommended Operating Condition at Ta = 25 °C Parameter Symbol Conditions Ratings Unit Supply voltage VIN VIN and VLIN5 pins opens 7.5 to 16 V Supply voltage VIN VIN and VLIN5 pins shorted 4.5 to 6.0 V Electrical Characteristics at Ta = 25 °C, VIN=12V, Unless especially specified Ratings Parameter Symbol Conditions min typ max Unit System Reference voltage for comparing VREF 0.818 0.826 0.834 V Supply current 1 ICC1 TD = 5V (Except for the Ciss charge) 2 4 mA Supply current 2 ICC2 TD = 0V 0.3 0.6 1.2 mA 5V supply voltage VLIN5 IVIN5 = 0 to 10mA 4.75 5.00 5.25 V Over-current sense comparator offset VCLOS -5 +5 mV Over-current sense reference current source ICL VIN = 10 to 14V 7.47 8.30 9.13 µA Leading edge pulse blank time TLEPB 120 150 Soft start source current ISSSC TD = 5V -2.0 -3.5 -5.0 µA Soft start sink current ISSSK TD = 0V 0.5 2.0 mA Soft start clamp voltage VSST0 When the voltage of the SS pin operating 1.2 1.6 2.0 V UV_DELAY source current ISCUVD UV_DELAY = 2V -6.1 -8.6 -12.0 µA UV_DELAY sink current ISKUVD UV_DELAY = 2V 0.5 2 mA UV_DELAY threshold voltage VUVD 1.9 2.4 3.0 V UV_DELAY operating voltage VUVP 100% at VFB = VREF 87 92 97 % VUVP detection hysteresis ∆VUVP 1.5 % Output discharge transistor ON resistance VSWON 5 10 20 Ω Output part CBOOT leakage current ICBOOT VCBOOT = VSW + 6.5V 10 µA HDRV LDRV source current ISCDRV 0.5 1.0 A HDRV LDRV sink current ISKDRV 0.5 1.0 A HDRV lower ON resistance RHDRV IOUT = 500mA 0.5 1.5 3.0 Ω LDRV lower ON resistance RLDRV IOUT = 500mA 0.5 1.5 3.0 Ω Synchronous ON prevention dead time 1 Tdead1 LDRV OFF →HDRV ON 50 70 120 ns Synchronous ON prevention dead time 2 Tdead2 HDRV OFF →LDRV ON 70 120 280 ns Oscillator Oscillation freaquency fosc CT = 130pF 280 330 380 kHz Oscillation frequency range foscop 250 1100 kHz Maximum ON duty DON max CT = 130pF 83 90 79 % Minimum ON time TON min CT = 130pF 100 ns Upper-side voltage saw- tooth wave VsawH fOSC = 300kHz 1.5 2 2.6 V Lower-side voltage saw-tooth wave VsawL fOSC = 300kHz 0.8 1 1.2 V Continued on next page. |
Similar Part No. - LV5050NV_0812 |
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Similar Description - LV5050NV_0812 |
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