Datasheet

17
LTC1174
LTC1174-3.3/LTC1174-5
1174fe
9V to 5V, –5V Outputs
9V to 12V, –12V Outputs
TYPICAL APPLICATIO S
U
1174 TA11
INPUT VOLTAGE
4V TO 12.5V
3
LTC1174HV-5
LB
IN
LB
OUT
I
PGM
GND
V
IN
SHUTDOWN
V
OUT
SW
2
7
6
8
1
5
4
L1B
†
100µH
–V
OUT
–5V
135mA AT
V
IN
= 9V
3.3µF**
100µF*
16V
MBRS140T3
L1A
†
100µH
V
OUT
5V
135mA AT
V
IN
= 9V
0.1µF0.1µF
*
**
†
SANYO OS-CON
WIMA MKS2
COILTRONICS CTX100-4
V
IN
(V)
4
6
8
10
12
13
I
OUT MAX
(mA)
75
100
125
145
160
180
100µF*
20V
100µF*
16V
L1A
L1B
23
4
1
CTX100-4
MBRS140T3
+
+
+
1174 TA12
INPUT VOLTAGE
4V TO 12.5V
3
LTC1174
LB
IN
LB
OUT
I
PGM
GND
V
IN
SHUTDOWN
V
FB
SW
2
7
6
8
1
5
4
L1B
†
100µH
–V
OUT
–12V
55mA AT
V
IN
= 9V
3.3µF**
1N914
Si9430DY
MBRS140T3
MBRS140T3
L1A
†
100µH
1
2
4
3
V
OUT
12V
55mA AT
V
IN
= 9V
0.1µF
*
**
†
††
AVX TAJD226K035
WIMA MKS2
COILTRONICS CTX100-4
USE 1% METAL FILM RESISTORS
V
IN
(V)
4
5
6
7
8
9
10
11
12
I
OUT MAX
(mA)
20
25
35
45
50
55
62
67
73
22µF*
35V
×3
L1A
L1B
23
4
1
CTX100-4
301k
††
22µF*
35V
×2
34k
††
+
+
22µF*
35V
×2
+