lt1303-5 Linear Technology Corporation, lt1303-5 Datasheet - Page 9

• Manufacturer Part Number: lt1303-5
• Description: Micropower High Efficiency Dc/dc Converters With Low-battery Detector Adjustable And Fixed 5v
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIONS
* SUMIDA CD54-220MC
V
1.8V TO 4.5V
REF
OUTPUT
INPUT
1.24V
U
+
5V Step-Up Converter with Reference Output
V
IN
2.2 F
2N3906
V
+
OUT
100 F
Setting Output Voltage on LT1303
33k
= 1.24V 1 + R2
100k
+
GND
V
IN
R1
100 F
LT1303
L1
PGND
SW
LBO
LBI
FB
GND
V
IN
LT1303-5
22 H*
1N5817
R2
R1
PGND
SENSE
SW
SHDN
+
100 F
1N5817
1303 TA03
V
OUT
+
100 F
LT1303/LT1303-5
OUTPUT
5V
1303 TA04
9