Datasheet

LT1173
13
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CA
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Telecom Supply
+5V to –5V Converter +20V to 5V Step-Down Converter
IN
V
SW2
SW1
LT1173 • TA20
LIM
I
SENSE
GND
100
LT1173-5
1N5818
100 F
µ
L1*
100µH
Ω
+
–5V OUTPUT
75mA
22µF
+
+V
IN

5V INPUT
* L1 = GOWANDA GA10-103K
COILTRONICS CTX100-1
IN
V
SW2
SW1
LT1173 • TA21
LIM
I
SENSE
GND
100
LT1173-5
1N5818
100 Fµ
L1*
220µH
Ω
+
5V OUTPUT
300mA
* L1 = GOWANDA GA20-223K
+V
IN

12V-28V
3V to 5V Step-Up Converter
IN
V
SW2
SW1
LT1173 • TA17
LIM
I
SENSE
GND
2 X 1.5V
CELLS
LT1173-5
1N5818
5V OUTPUT
150mA AT 3V INPUT
60mA AT 2V INPUT
100 Fµ
* L1 = GOWANDA GA10-103K
COILTRONICS CTX100-1 (SURFACE MOUNT)
L1*
100 H
µ
+
9V to 5V Step-Down Converter
IN
V
SW2
SW1
LT1173 • TA18
LIM
I
SENSE
GND
100
9V
BATTERY
LT1173-5
1N5818
100 Fµ
L1*
47µH
Ω
+
5V OUTPUT
150mA AT 9V INPUT
50mA AT 6.5V INPUT
* L1 = GOWANDA GA10-472K
COILTRONICS CTX50-1
FOR HIGHER OUTPUT CURRENTS SEE LT1073 DATASHEET
LIM
I
FB
GND
LT1173
IRF530
1N4148
+
10µF
16V
VN2222
1N965B
10nF
10k
3.6MΩ
+
47µF
100V
390kΩ
+
220µF
10V
44mH
44mH
48V DC
*L1 = CTX110077
+
–
~
~
L1*
500µH
MUR110
+5V
100mA
2N5400
LT1173 • TA22
IN
V
SW1
SW2
110kΩ
15V
12V
100Ω
I
Q
= 120µA