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UM5237 Datasheet(PDF) 4 Page - Unisonic Technologies

Part # UM5237
Description  3-TERMINAL ADJUSTABLE REGULATOR
Download  6 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UM5237 Datasheet(HTML) 4 Page - Unisonic Technologies

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UM5237
Preliminary
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 6
www.unisonic.com.tw
QW-R101-040.c
TEST CIRCUIT
(a) Standard test circuit
VO=VREF
22
1
RR
11.26
1
(V)
R4.3



 





R2=R1
OO
REF
VV
14.3
1 (KΩ)
V1.26








(R1=4.3KΩ, VRER≈1.26V)
(b) Ripple rejection test circuit
f=120Hz, ei=0.1Vrms
+
VV
+
1
UTC
UM5237
3
+
2SB1314
VI
C
0.33µF
R1
4.3K
CREF
C
47µ
RL
IL
C
2
eo
RR=20 log
(dB)
ei
eo
220
R2


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