Datasheet

12
LT1304/LT1304-3.3/LT1304-5
TYPICAL APPLICATIONS
U
Single Li-Ion Cell to 5V Converter with Load Disconnect at V
IN
< 2.7V
V
IN
SW
GND
FB
5V
LT1304
47µF**
16V
47µF**
L1*
22µH
D1
†
1.07M
1%
12V
200mA
124k
1%
*SUMIDA CD54-220
**AVX TPSD476M016R0150
†
MOTOROLA MBRS130L
1304 TA11
SHUTDOWN
SHDN
+
+
5V to 12V DC/DC Converter 5V to 12V Converter Efficiency
LOAD CURRENT (mA)
1
EFFICIENCY (%)
10 100
300
1304 TA12
90
85
80
75
70
65
+
1304 TA13
LT1304CS8-5
22µH**
MBRS130LT3
(5V)(2.7V to 4.2V)
SW
GND
SENSENC
220k
 *PRIMARY Li-Ion BATTERY PROTECTION MUST BE
 PROVIDED BY AN INDEPENDENT CIRCUIT
**SUMIDA CD54-220

†
AVX TPSD107M010R0100
LBO
V
IN
I
LIM
LBI
100µF
†

10V
SHDN
LTC1477
V
OUT
V
IN2
GND
V
OUT
V
IN1
V
INS
NC
NC
V
IN3
EN
562k
1%
432k
1%
SINGLE
Li-Ion
CELL*
+
100µF
16V
+
1µF
5V