Configuring the NDRV LDO issue (refer to Figure 10): 1) Add local decoupling capacitors right next to the drain of the external NDRV N-channel MOSFET in the PCB layout; 2) Insert a resistor (~100Ω) in series with the gate of the NDRV MOSFET; 3) Insert a small capacitor (~1nF)...
(Note 4) ITH1,2 = 1.2V, Sink/Source = 5μA (Note 5) RUN1 = 5V and RUN2 = 0V, VFB1 = 0.83V (No Load) or RUN1 = 0V and RUN2 = 5V, VFB2 = 0.83V (No Load) RUN1,2 = 5V, VFB1,2 = 0.83V (No Load) 2 mmho 2 mA 2 mA Sleep Mode (One Channel On) Sleep ...
PGOOD2 (Pin 4): This open-drain output voltage is pulled to a logic low when VFB2 is below 0.54V (VOUT2 is below 90% of regulated level). SW2 (Pin 5): Switch Node Connection to Inductor for Regulator 2. This pin connects to the internal power MOSFET switches. PGND (Pin 6): ...
(SINK) = 5mA 6 IOUT(SINK) = 1mA 4 2 Output Noise Spectral Density 10 VOUT = 1.2V IL = 1A TJ = 25°C 1 COUT = 10μF 0.1 COUT = 47μF 0.01 0 0 5 10 15 20 OUTPUT OVERSHOOT (%) 3022 G26 0 –50 –25 0 25 50 75 TEMPERATURE (°C) 100 125 3022 G27 0.001 10 100 ...
Parameter Symbol Condition OVP Hysteresis CHG , ACOK Sink Current Pin Voltage = 0.4V Battery Reverse Current to BATT Pin EN = Low and Input = Floating or 0V Switch-On Resistance Soft Thermal Shutdown Threshold RON VBATT = 3.8V, IBATT = 300mA, RCHG = 1.7kΩ Soft Thermal Shutdown ...
Parameter Symbol Condition PG Threshold Hysteresis PG Rising Delay PG Falling Delay PG Sink Current Capability PGVth_HYS PGTd_RISING PGTd_FALLING VPG as percentage of VFB Sink 4mA PG Leakage Current ILKG_PG Notes: 6) Derived from bench characterization. Not tested in production. Min Typ Max ...
Protection Rising Threshold BTBOVP VVB = 4.4V Over Temperature Protection Falling Threshold Logic EN Input Logic HIGH EN Input Logic LOW EN Internal Series Resistor FLT Output Logic Low FLT Output Logic High Leakage Current Power MOSFET On Resistance Sink 5mA current RDS(ON) Measured at 500mA,...
Rice paddy wetlands may serve as a nutrient source or sink in agricultural ecosystems. However, the pattern of nutrient loss on a watershed scale is not clear. A year-round on-site observation study based on 6-h intervals was conducted. Rainfall, temperature, runoff nutrient concentrations, and...
VSYNC = 0V VIN = 6V VIN = 6V VIN = 4.0V to 42V VFB = 1V VC = 1.25V l l l l 0.964 0.958 –20 16 200 0.4 0.6 17 200 0.970 0.970 0.004 1.7 350 25 260 0.6 0.8 60 400 0.976 0.982 0.025 20 LT8646S VC Source Current LT8646S VC Sink Current VFB = 0.77V, VC = 1.25V ...
This pin contains a low impedance clamp at 6V, so the SHDN pin will sink current from the pull-up resistor(RPU): ISHDN = VIN – 6V RPU Because this arrangement will clamp the SHDN pin to the 6V, it will violate the 5V absolute maximum voltage rating of the pin. This is permitted,...