Datasheet

17
LTC1433/LTC1434
TYPICAL APPLICATIONS N
U
9V to 12V, –12V Outputs
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SSW
NC
BSW
NC
SGND
RUN/SS
LBO
LBI
PWRV
IN
PGND
SV
IN

C
OSC

POR
I
TH

V
OSENSE

V
PROG
LTC1433
68µF*
20V
0.1µF
0.1µF
47µF**
68µF*
20V
68µF*
20V
V
OUT

12V
POWER-ON
RESET
V
IN
4.5V TO 12.5V
50pF
1k
30k
100k
6800pF
1433/34 TA07
D2
100pF
V
OUT

–12V
301k
1%
34k
1%
1N914
Si6447DQ
680pF
TOP VIEW
3
1
2
4
•
L1B
L1B
L1A
L1A
D1, D2: MOTOROLA MBRS130LT3
L1A, L1B:
* AVX TPSE686M020R0150
** WIMA MKS2
MANUFACTURER
COILTRONICS 
DALE
PART NO.
CTX100-4
LPT4545-101LA
96k
100k
LOW-BATTERY
TRIP AT V
IN
= 5V
L1A
100µH
•
D1
L1B
100µH
•
V
IN
(V)
4.5
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
12.5
EACH OUTPUT
I
OUT(MAX)
(mA)
50
60
70
100
110
130
145
160
200
205
+
+
+