LM234-3 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LM234-3' PDF : 12 Pages View PDF
LM134 Series
TYPICAL APPLICATIO S
In-Line Current Limiter
RSET
R
VIN V+
V–
C1*
LM334
OP AMP
TA17
*USE MINIMUM VALUE REQUIRED TO
ENSURE STABILITY OF PROTECTED
DEVICE. THIS MINIMIZES INRUSH
CURRENT TO A DIRECT SHORT.
Generating Negative Output Impedance
VIN
V+
R1*
R
LM334 V–
RSET
–VIN
TA18
*ZOUT ≈ –16 • R1(R1/VIN MUST NOT EXCEED ISET).
Ground Referred Fahrenheit Thermometer
VIN ≥ 3V
R4
56k
C1
0.01
V+
R
2N4250
R1
8.25k
1%
VOUT = 10mV/°F
10°F ≤ T ≤ 250°F
VIN
R5**
R3*
LM334 V–
R2
100Ω
1%
LT1009
2.5V*
TA19
*SELECT R3 = VREF/583µA
**SELECT FOR 1.2mA
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
134sc LT/CP 1001 1.5K REV C • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1991
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