LTC3458L Datasheet, PDF (14/16 Pages) Linear Technology – 1.7A, 1.5MHz Synchronous Step-Up DC/DC Converter with Output Disconnect

LTC3458L
TYPICAL APPLICATIO S
Lithium-Ion to 5V, 750mA at 750kHz
COILCRAFT
10µH
MSS7341
Li-Ion
3.1V to 4.2V
2.2µF
V_IN
SW
LTC3458L
GND/PGND
V_OUT
ON OFF
SHDN
FB
SYNC
R_T
I_LIM
274k 84.5k
COMP
0.01µF
SS
BURST
0.01µF
133k
V_OUT
5V
10pF
750mA
1M
33k
10pF
324k
22µF
X5R
560pF
3458L TA03a
100
95
90
85
80
75
70
0.1
Li-Ion to 5V_OUT
4.2V_IN
3.1V_IN
3.6V_IN
1
10
100
LOAD CURRENT (mA)
1000
3458L TA03b
Two Cell to 5V_OUT, 250mA at 750kHz
COILCRAFT
10µH
MSS7341
2 ALKALINE
1.8V to 3.3V
2.2µF
V_IN
SW
LTC3458L
GND/PGND
V_OUT
ON OFF
SHDN
FB
SYNC
R_T
I_LIM
274k 84.5k
COMP
0.01µF
SS
BURST
0.01µF
133k
V_OUT
5V
10pF
250mA
1M
33k
10pF
324k
22µF
X5R
560pF
3458L TA04a
Two Alkaline to 5V_OUT
100
95
3.3V_IN
90
2.5V_IN
85
1.8V_IN
80
75
70
0.1
1
10
100
LOAD CURRENT (mA)
1000
3458L TA04b
3458lf
14