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