Datasheet

LT1173
15
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Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
Voltage Controlled Positive-to-Negative Converter
LT1173 • TA25
FB
GND
220
LT1173
* L1 = GOWANDA GT10-101
V
IN

5V-12V
1N5818
150
L1*
50µH, 2.5A
–
+
IN
V
LT1006
+
100µF
39k
200k
–V
OUT
= –5.13 • V
C

2W MAXIMUM OUTPUT
V
C
(0V TO 5V)
0.22
1N5820
IN
V
SW2
SW1
LIM
I
MJE210
LT1173 • TA27
LIM
I
FB
GND
LT1173
*TOKO 262LYF-0100K
L1*
470µH
0.02µF
NE-2
BLINKS AT
0.5Hz
1N4148
1.3M
100M
IN
V
SW1
SW2
0.02µF
0.68µF
200V
3.3M
95V REGULATED
1N4148
3V
0.02µF
1N4148
2 Cell Powered Neon Light Flasher
High Power, Low Quiescent Current Step-Down Converter
LT1173 • TA26
LIM
I
FB
GND
LT1173
EFFICIENCY ≥ 80% FOR 10mA ≤ I
LOAD
≤ 500mA
STANDBY I
Q
≤ 150µA
V
IN

7V-24V
1N5818
L1*
25µH, 2A
+
470µF
5V
500mA
0.22Ω
51Ω
18V
1W
2k
1N4148
40.2k
121k
OPERATE STANDBY
IN
V
SW1
SW2
MTM20P08
2N3904
1N5820
* L1 = GOWANDA GT10-100
100Ω
1/2W