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FAN48632 Folha de dados(PDF) 5 Page - Fairchild Semiconductor |
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FAN48632 Folha de dados(HTML) 5 Page - Fairchild Semiconductor |
5 / 13 page © 2013 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN48632 • Rev. 1.0.3 5 Electrical Specifications Recommended operating conditions, unless otherwise noted, circuit per Figure 1, VIN = 2.35 V to VOUT, TA = -40˚C to 85˚C. Typical values are given VIN = 3.0 V and TA = 25˚C. Symbol Parameter Conditions Min. Typ. Max. Unit IQ VIN Quiescent Current Bypass Mode VOUT=3.5 V, VIN=4.2 V 140 190 A Boost Mode VOUT=3.5 V, VIN=2.5 V 150 250 A Shutdown: EN=0, VIN=3.0 V 1.5 5.0 A Forced Bypass Mode, VIN=3.5 V Low IQ 4 10 A ILK VOUT to VIN Reverse Leakage VOUT=5 V, EN=0 0.2 1.0 A ILK_OUT VOUT Leakage Current VOUT=0, EN=0, VIN=4.2 V 0.1 1.0 A VUVLO Under-Voltage Lockout VIN Rising 2.20 2.35 V VUVLO_HYS Under-Voltage Lockout Hysteresis 200 mV VPG(OL) PG Low IPG=5 mA 0.4 V IPG_LK PG Leakage Current VPG=5 V 1 µA VIH Logic Level High EN, VSEL, BYP 1.2 V VIL Logic Level Low EN, VSEL, BYP 0.4 V RLOW Logic Control Pin Pull Downs (LOW Active) BYP, VSEL, EN 300 k IPD Weak Current Source Pull-Down BYP, VSEL, EN 100 nA VREG Output Voltage Accuracy Target VOUT relative to GND, DC, VOUT-VIN > 100 mV –2 4 % VTRSP Load Transient Response 500 – 1250 mA, VIN=3.0 V ±4 % tON On-Time VIN=3.0 V, VOUT=3.5 V, Load >1 A 80 ns fSW Switching Frequency VIN=3.0 V, VOUT=3.5 V, Load=1 A 2.0 2.5 3.0 MHz IV_LIM Boost Valley Current Limit VIN=2.6 V 3.3 3.7 4.1 A IV_LIM_SS Boost Valley Current Limit During SS VIN=2.6 V 1.8 A ISS_PK Soft-Start Input Current Limit LIN1 Fast 900 mA LIN2 Fast 1800 mA tSS Soft-Start EN HIGH to Regulation Fast, 50 Load 600 s VOVP Output Over-Voltage Protection Threshold 6.0 6.3 V VOVP_HYS Output Over-Voltage Protection Hysteresis 300 mV RDS(ON)N N-Channel Boost Switch RDS(ON) VIN=3.5 V 85 120 m Ω RDS(ON)P P-Channel Sync Rectifier RDS(ON) VIN=3.5 V 65 85 m Ω RDS(ONBYP P-Channel Bypass Switch RDS(ON) VIN=3.5 V 65 85 m Ω T120A T120 Activation Threshold 120 °C T120R T120 Release Threshold 100 °C T150T T150 Threshold 150 °C T150H T150 Hysteresis 20 °C tRST FAULT Restart Timer 20 ms |
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