Datasheet

LT1173
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Table 2. Inductor Manufacturers
MANUFACTURER PART NUMBERS
Gowanda Electronics Corporation GA10 Series
1 Industrial Place GA40 Series
Gowanda, NY 14070
716-532-2234
Caddell-Burns 7300 Series
258 East Second Street 6860 Series
Mineola, NY 11501
516-746-2310
Coiltronics International Custom Toroids
984 S.W. 13th Court Surface Mount
Pompano Beach, FL 33069
305-781-8900
Renco Electronics Incorporated RL1283
60 Jefryn Boulevard, East RL1284
Deer Park, NY 11729
800-645-5828
Table 3. Capacitor Manufacturers
MANUFACTURER PART NUMBERS
Sanyo Video Components OS-CON Series
2001 Sanyo Avenue
San Diego, CA 92173
619-661-6835
Nichicon America Corporation PL Series
927 East State Parkway
Schaumberg, IL 60173
708-843-7500
Sprague Electric Company 150D Solid Tantalums
Lower Main Street 550D Tantalex
Sanford, ME 04073
207-324-4140
IN
V
SW2
SW1
LT1173 • TA19
LIM
I
GND
R1
100Ω
LT1173
1N5818
4.7µF
L1*
100µH
+
–22V OUTPUT
7mA AT 2.0V INPUT
70% EFFICIENCY
* L1 = GOWANDA GA10-103K
COILTRONICS CTX100-4
FOR 5V INPUT CHANGE R1 TO 47Ω.
CONVERTER WILL DELIVER –22V AT 40mA.
2 X 1.5V
CELLS
3V
FB
1N5818
22µF
+
220k
0.1µF
1N4148
118k
1%
2.21M
1%
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PP
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3V to –22V LCD Bias Generator