LTC3526 Linear Technology, LTC3526 Datasheet - Page 14

• Manufacturer Part Number: LTC3526
• Description: 500mA 1MHz Synchronous Step-Up DC/DC Converters
• Manufacturer: Linear Technology

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LTC3526/LTC3526B
TYPICAL APPLICATIONS
14
2.7V TO 4.3V
2V TO 3.2V
V
IN
V
IN
*TAIYO-YUDEN NP03SB6R8M
OFF ON
1μF
*TAIYO-YUDEN NP03SB6R8M
OFF ON
1μF
6.8μH*
V
SHDN
IN
6.8μH*
LTC3526
V
SHDN
GND
SW
IN
LTC3526
GND
V
SW
1.8V TO 3.2V
OUT
FB
V
OUT
5V USB
FB
V
BATT
3.3V Converter with Output OR’d with 5V USB Input
3.24M
1.02M
3.24M
1.02M
OFF ON
1μF
22pF
22pF
4.7μH
3526 TA08a
V
SHDN
10μF
IN
V
5V
200mA
3526 TA06a
LTC3526
OUT
2-Cell to 5V
Li-Ion to 5V
GND
10μF
SW
V
5V
150mA
OUT
V
OUT
MBR120ESFT
FB
1.78M
1M
3.3V/5V
3526 TA07a
V
100
USB
20
10
100
10μF
90
80
70
60
50
40
30
OUT
0
90
80
70
60
50
40
30
20
10
0.01
0
0.01
V
V
OUT
OUT
= 5V
0.1
= 5V
0.1
DC/DC
LDO
LOAD CURRENT (mA)
LOAD CURRENT (mA)
1
1
10
10
V
V
V
100
V
V
V
IN
IN
IN
100
IN
IN
IN
= 4.2V
= 3.6V
= 3.0V
3526 TA08b
= 3.0V
= 2.4V
= 1.8V
3526 TA06b
1000
1000
3526bfb