LT1173

15

S

APPLICATI

TYPICAL

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

5V-12V

1N5818

150

L1*

50

µH, 2.5A

IN

V

LT1006

+

100

µF

39k

200k

2W MAXIMUM OUTPUT

0.22

1N5820

IN

V

SW2

SW1

LIM

I

MJE210

LT1173 • TA27

LIM

I

FB

GND

LT1173

*TOKO 262LYF-0100K

L1*

470

µH

0.02

µF

NE-2

BLINKS AT

0.5Hz

1N4148

1.3M

100M

IN

V

SW1

SW2

0.02

µF

0.68

µF

200V

3.3M

95V REGULATED

1N4148

3V

0.02

µF

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

7V-24V

1N5818

L1*

25

µH, 2A

+

470

µF

5V

500mA

0.22

Ω

51

Ω

18V

1W

2k

1N4148

40.2k

121k

OPERATE STANDBY

IN

V

SW1

SW2

MTM20P08

2N3904

1N5820

* L1 = GOWANDA GT10-100

100

Ω

1/2W