Datasheet

LT1308A/LT1308B
17
1308abfb
TYPICAL APPLICATIONS
40nF EL Panel Driver
47pF
10k
47k
17k
C1
47µF
V
BAT
3V TO 6V
100pF
D3
D2
D1
SHUTDOWN
2M
4.3M
1µF
Q1
100k
150k
324k
3.3k
22nF
49.9k
Q2
400V
1308 TA03
C2
1µF
200V
EL PANEL
≤40nF
+
3
1
4
6
V
IN
SW
LT1308A
GND
V
C
FBLBO
LBI
SHDN
3.3V
REGULATED
T1
1:12
C1: AVX TAJC476M010
C2: VITRAMON VJ225Y105KXCAT
D1: BAT54
D2, D3: BAV21
Q1: MMBT3906
Q2: ZETEX FCX458
T1: MIDCOM 31105
High Voltage Supply 350V at 1.2mA SEPIC Converts 3V to 10V Input to a 5V/500mA Regulated Output
D4
V
IN
SW
LT1308A
GND
V
C
FB
SHDN
47k
1308 TA04
C1
47µF
10nF
100pF
D2
D1
D3
34.8k
10M
10nF
250V
10nF
250V
10nF
250V
+
V
OUT
350V
1.2mA
V
IN
2.7V TO 6V
T1
1:12
3
1
4
6
SHUTDOWN
D1, D2, D3: BAV21 200mA, 250V
D4: MBR0540
T1: MIDCOM 31105R L
P
= 1.5µH
V
IN
SW
FB
LT1308B
L1A
CTX10-2
L1B
D1
47k
R2
100k
R1
309k
680pF
1308A/B TA05
C1
47µF
C3
220µF
6.3V
C2
4.7µF
CERAMIC
V
OUT
5V
500mA
V
IN
3V TO
10V
V
C
GND
SHDNSHUTDOWN
C1: AVX TAJC476M016
C2: TAIYO YUDEN EMK325BJ475(X5R)
C3: AVX TPSD227M006
+
+
D1: IR 10BQ015
L1: COILTRONICS CTX10-2