Datasheet

14
LT1304/LT1304-3.3/LT1304-5
TYPICAL APPLICATIONS
U
2- to 4-Cell to 5V Converter with Output Disconnect
V
IN
V
IN
2V TO 6V
SW
GND
I
LIM
NC
SENSE
LT1304-5
22µF*
47µF*
L1**
22µH
MBRS130L
ZTX788B
2k
*AVX TPS SERIES TANTALUM
OR SANYO OS-CON
**SUMIDA CD54-220
1304 TA17
SHUTDOWN
SHDN
+
+
220µF*
5V
100mA
+
V
IN
SW
GND
NC
FB
I
LIM
34
16
LT1304
MBR0530
0.01µF 0.01µF 0.01µF 0.01µF
47µF
T1*
1304 TA16
SHDNSHUTDOWN
0.1µF
V
IN

2V TO 6V
+
R2
620k
R1**
500M
V
OUT

1kV
250µA
V
OUT
= 1.24V 1+
R1

R2
()
0.01µF 0.01µF 0.01µF 0.01µF 0.01µF
* DALE LPE3325-A205 TRANSFORMER MEASURES
6.5mm × 8.2mm × 5.2mm (H)
[phone]
** IRC CGX-1/2
ALL 0.01µF CAPACITORS 250WVDC

BAS21 OR MUR130

DANGER! HIGH VOLTAGE
2- to 4-Cell to 1kV Step-Up Converter