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LT1990CS8 Datasheet(PDF) 14 Page - Linear Technology

Part # LT1990CS8
Description  250V Input Range G = 1, 10, Micropower, Difference Amplifier
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1990CS8 Datasheet(HTML) 14 Page - Linear Technology

Back Button LT1990CS8 Datasheet HTML 8Page - Linear Technology LT1990CS8 Datasheet HTML 9Page - Linear Technology LT1990CS8 Datasheet HTML 10Page - Linear Technology LT1990CS8 Datasheet HTML 11Page - Linear Technology LT1990CS8 Datasheet HTML 12Page - Linear Technology LT1990CS8 Datasheet HTML 13Page - Linear Technology LT1990CS8 Datasheet HTML 14Page - Linear Technology LT1990CS8 Datasheet HTML 15Page - Linear Technology LT1990CS8 Datasheet HTML 16Page - Linear Technology  
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LT1990
14
1990f
APPLICATIO S I FOR ATIO
Figure 2. PWM-Based ±1A Electromagnet Current Controller
PLLLPF
RSLEW
SDSYNC
CNTRL
EAOUT
FB
AGND
SS
ILIM
VSET
FAULT
VTHRM
H/C
VTEC
RT
CT
VREF
PDRVB
NDRVB
VDD
PGND
NDRVA
PDRVA
CS+
CS–
ITEC
TEC+
TEC–
LTC1923
VDD
–
+
LT1990
REF
10k
10k
330pF
1µF
10µF
L1
10µH
VDD
RS
0.1
C1, C2, C3: TAIYO YUDEN JMK325BJ226MM-T (X7R)
L1, L2: SUMIDA CDRH6D2B-220NC
*MNA, MPA: SILICONIX Si9801
**MNB, MPB: SILICONIX Si9801
1990 F02
10nF
10nF
1µF
100k
100k
20k
100k
10k
1µF
L2
10µH
C1
22µF
C2
22µF
C3
22µF
MPA*
VREF
MPB**
MNA*
MNB**
100k
82k
G2
G1
1
4
8
6
5
7
3
2
VIN+
VIN–
VDD
ICOIL ELECTRO-
MAGNET
COIL
0.1
ICOIL = (VIN+ – VIN)/(10 • RS)
(i.e. ±1A FOR ±1V)



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