PSSI2021SAY
FEATURES
- One chip constant current source
- Reduced number of ponents and board space. APPLICATIONS
- Especially suitable for space reduction in, for example, LED driving circuits or active bias controlling. DESCRIPTION
Resistor equipped PNP transistor with two diodes on one chip in a plastic SC-88A package. Built-in bias resistor and two diodes allow operation as constant current source. The stabilized current can be adjusted between 15 µA and 50 m A by connection of external resistors between pins 4 and 5. MARKING TYPE NUMBER PSSI2021SAY MARKING CODE S1p
5 handbook, halfpage 4 5
PINNING PIN 1 2 3 4 5 SYMBOL n.c. Istab/Vout GND Rexternal VS DESCRIPTION not connected stabilized current/output voltage ground external resistor supply voltage
Top view
1 n.c.
MGU348
Fig.1 Simplified outline (SC-88A) and symbol.
LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL VS Vout VR Istab Ptot Tstg Tj Tamb Note 1. Device...
