LT6657 pin FuncTionsSHDN (Pin 3): Shutdown Input. This active low input VOUT (Pin 6): Reference Output Voltage. This pin can disables the part to reduce supply current < 2µA. This source and sink current to a load. An output capacitor of pin must be driven externally and should be tied to VIN 1µF (2.7µF for 1.25V) or higher is required for stability. if unused. It may be driven to logic high or to VIN during DNC (Pins 1, 5, 7, 8): Internal Functions. Do Not Connect normal operation. or electrically stress these pins. These pins must be left VIN (Pin 2): Input Voltage Supply. Bypass VIN with a local floating and leakage currents from these pins should be 0.1µF (1µF for 1.25V) or larger capacitor to GND. kept to a minimum. Allow additional routing clearance. GND (Pin 4): Device Ground. This pin must be connected to a noise-free ground plane. A star-ground with related circuits will give the best results. Be careful of trace im- pedance, as the GND pin carries supply return current. block DiagraM VIN 2 SHDN 3 BIAS + V ERROR OUT BANDGAP 6 AMP – RF RG GND 4 6657 BD 6657fd 10 For more information www.linear.com/LT6657
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