• CAT32TDI-GT3
  • CAT32TDI-GT3
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The CAT32 is a DC/DC step up converter that delivers a regulated output current. Operation at a constant switching frequency of 1.2MHz allows the device to be used with very small value external inductor and ceramic capacitors. The CAT32 is targeted to drive multiple white light-emitting diodes (LEDs) connected in series and provides the necessary regulated current to control the brightness and the color purity. An external resistor RSET controls the output current level. LED currents of up to 40mA can be supported over a wide range of input supply voltages from 2V to 7V making the device ideal for battery-powered applications. A high voltage output stage allows up to 4 White LEDs to be driven in series. Series drive provides inherent current matching. LED dimming can be done by using a DC voltage a logic signal or a pulse width modulation (PWM) signal. The shutdown input pin allows the device to be placed in power-down mode with near zero quiescent current. In addition to overcurrent limiting protection the device also includes detection circuitry to ensure protection against open-circuit load fault conditions. The device is available in a low profile (1mm max height) 6-lead TSOT-23 package.

rohs_statusCompliant
lead_free_statusLead Free
mounting_styleSurface Mount
halogen_free_statusHalogen Free
packagingCut Tape (CT)
case_packageTSOT-23-6, SOT-23-6
lifecycle_statusActive
output_current40.0 mA
topologyStep-Up
Device TopologyBoost (Step Up)
Input Voltage Min2V
Input Voltage Max7V
Output Voltage Max20V
Output Current Max40mA
Switching Frequency1.2MHz
No. of Outputs1Outputs
IC MountingSMD
Driver Case StyleTSOT-23
No. of Pins6Pins
Operating Temperature Min-40°C
Operating Temperature Max85°C
PackagingCut Tape
Product Range-
Automotive Qualification Standard-
RoHS Phthalates CompliantYes
MSLMSL 1 - Unlimited
SVHCNo SVHC (07-Jul-2017)
Output Current40mA
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