LT1304/LT1304-3.3/LT1304-5
U
TYPICAL APPLICATIONS
Negative LCD Bias Generator
L1*
10µH
1µF
CERAMIC
**
1.69M
1%
V
SW
IN
–V
OUT
–14V TO –22V
1mA TO 10mA
FB
+
**
LT1304
1M
1%
47µF
2 CELLS
90.9k
1%
110k
1%
10µF
35V
1000pF
**
I
+
LIM
GND
EFFICIENCY = 70% TO 75%
+
AT I
≥ 2mA
LOAD
3.3µF
22k
* SUMIDA CD43-100
** MOTOROLA MBR0530
VOLTAGE ADJUST
1kHz PWM INPUT
0V TO 5V
1304 TA14
≤ 20nF
1304 TA15
Electroluminescent Panel Driver with 200Hz Oscillator
1µF
200V
MUR160
600V
1:12*
V
IN
2V TO 7V
3
4
+
47µF
EL PANEL
PANEL
C
1
6
MBR0530
DANGER!10HMIGH VOLTAGE
V
SW
FB
IN
(3.3M × 3)
5V = OPERATE
0V = SHUTDOWN
SHDN
FMMT458
22k
22k
75k
22k
51k
LBO
LT1304
2N3906
1nF
22k
22k
50k
LBI
I
INTENSITY
ADJUST
LIM
GND
3.3k
0.01µF
1/2 BAW56
1/2 BAW56
NC
200Hz
* DALE LPE3325-A205 TRANSFORMER MEASURES 6.5mm × 8.2mm × 5.2mm (H)
(605) 665-9301
13
Linear [ Linear ]
