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LM385BXBG View Datasheet(PDF) - Analog Intergrations

Part Name
Description
Manufacturer
LM385BXBG
AIC
Analog Intergrations AIC
LM385BXBG Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
LM385/LM385B
n BLOCK DIAGRAM
+
1.2
+
FB
-
7µ A
-
n SYMBOL
+
FB
-
n PIN DESCRIPTIONS
PIN + - sinks current with a range from 20µA to 20mA for normal applications. And a stable positive voltage,
relative to Pin-, occurs on Pin+.
PIN - - Pin- sources current for normal application. The current value is the same as Pin+.
PIN NC - Not connected.
n APPLICATION EXAMPLES
V IN
R4 50µA<I<200mA
2N2219
+
LM385
FB
-
R1
120K
R3 R2
1K 120K
VOUT
2.5V
Fig. 9 200mA Shunt Regulator
VIN
R3 100µA<I<5mA
LM385
2N5115
+
FB
-
R1
120K
VOUT
25V
R2
2.4M
Fig. 10 25V Low Current Shunt Regulator
V IN
+
R1
FB
-
2N2905
2N3964
R2
120K
1 µA<IOUT <100mA
IOUT=1.24V/R1
Fig. 11 Current Source
+
FB -
R1
120K
Fig. 12
D1
R2
1M
R3
200 <-12V
LED ON
-5V
Voltage Level Detector
5
 

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