Datasheet APR348 (Diodes) - 4

APR348 Electrical Characteristics
(@VCC = 5V, TA = -40°C <TA<+85°C, unless otherwise specified.)
Symbol Parameter Condition Min Typ Max Unit Supply Voltage ( VCC Pin)
VCC LDO Disable Threshold at VCC VLDO_DISABLE — 4.25 4.55 4.85 V Falling VCC LDO Enable Threshold at VCC VLDO_ENSABLE — 4.35 4.65 4.95 V
T
Rising
C
VLDO_HYS LDO Operating Hysteresis at VCC Pin — — 100 — mV
U D Supply Linear Regulator (VDD Pin) O R
VCC = 12V, VDET = 12V 5 5.5 6 V VDD Internal Power Supply
P
VCC = 3V, VDET = 12V 5.3 5.9 6.5 V
W
VCC = 0,
E
ISTARTUP VDD Startup Current — 125 160 µA VDET = VDD = VDD_ST - 0.1V
N
VDD_ST VDD Startup Voltage — 3.55 3.75 3.95 V VDD_UVLO VDD UVLO Voltage — 3.30 3.50 3.70 V VUVLO HYSTERESIS UVLO Hysteresis — — 0.25 — V IQ_VDD Quiescent Current VDD = 5.5V, VCC = 0 — 170 220 µA
Synchronous Rectification MOSFET Sense (VDET Pin)
VTHON Gate Turn-On Threshold Voltage at VDET Pin -130 -90 -60 mV VFWD Gate Regulation Voltage Voltage at VDET Pin -55 -45 -35 mV VTHOFF Gate Turn-Off Threshold Voltage at VDET Pin — -7 0 mV
Slope Rate Programming (Rx Pin)
Rx = 300kΩ， tSLOPE Turn-On Slope Rate Detection Timer 70 110 150 ns VDS from 2V Falling Down
Gate Driver (DRISR Pin)
Synchronous Rectification Drive Voltage VDRISR(High) — VDD - 0.1 — — V High Synchronous Rectification Drive Voltage VDSRISR(Low) IG_LOAD = 100mA, VDD = 5V — 70 140 mV Low tDON Turn-On Delay Time CLOAD = 2.2nF — 30 60 ns tDOFF Turn-Off Propagation Delay Time CLOAD = 2.2nF — 25 45 ns tON_MIN Minimum On-Time — 0.8 1.2 1.6 µs ISOURCE Maximum Source Current (Note 7) — — 0.6 — A ISINK Maximum Sink Current (Note 7) — — 3.5 — A Rg Pull-Down Impendent IG_LOAD = 100mA, VDD = 5V — 0.7 1.4 Ω Note: 7. These parameters are guaranteed by design and characterization. APR348 4 of 9 December 2019 Document number: DS42016 Rev. 3 - 2
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