SL811HS
The diagram below illustrates a simple +3.3V voltage source.
Figure 5. Sample VDD Generator
+5V (USB)
R1
45 Ohms
2N2222
Zener
3.9v, 1N52288CT-
GND
+3.3 V (VDD)
Sample VDD Generator
Package Markings (28-pin PLCC)
Part Number
YYWW-X.X
XXXX
YYWW = Date code
XXXX = Product code
X.X = Silicon revision number
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