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PSSI2021SAY
Constant current source in SOT353 package
Rev. 03 — 27 August 2009
Product data sheet
1. Product profile
1.1 General description
Resistor-equipped PNP transistor with two diodes on one chip in a SOT353 (SC-88A) plastic package. Stabilized output current of between 15 µA and 50 mA by connection of an external resistor between pins 4 and 5.
1.2 Features
I One chip integrated constant current source I Output current setting by use of an external resistor I Very small package I Reduces component count and board space
1.3 Applications
I Automotive applications I Generic constant current source I Constant current LED driver I Active bias control for audio amplifiers
1.4 Quick reference data
Table 1.