ltc3459es6-trpbf Linear Technology Corporation, ltc3459es6-trpbf Datasheet - Page 9
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ltc3459es6-trpbf
Manufacturer Part Number
ltc3459es6-trpbf
Description
10v Micropower Synchronous Boost Converter In Thinsot
Manufacturer
Linear Technology Corporation
Datasheet
1.LTC3459ES6-TRPBF.pdf
(12 pages)
TYPICAL APPLICATIONS
Very low operating quiescent current and synchronous
operation allow for greater than 85% conversion effi ciency
in many applications. Lower output voltages will result in
lower effi ciencies since the N- and P-channel R
2.5V TO 4.2V
3.3V TO 5V
BATTERY
Li-Ion
V
IN
V
IN
1μF
+
1μF
*COILCRAFT DO3314
OFF ON
*COILCRAFT DO3314
OFF ON
33μH*
V
SHDN
IN
LTC3459
15μH*
GND
SW
V
SHDN
IN
V
LTC3459
OUT
GND
FB
SW
V
OUT
FB
2M
280k
1M
332k
3459 TA05a
47pF
10V from 3.3V or 5V Input
3459 TA04a
DS(ON)
47pF
5V from Li-Ion Input
4.7μF
V
10V
OUT
4.7μF
s
V
5V
OUT
will increase. The switching frequency and output power
capability of the LTC3459 are also dependant on input and
output voltages.
100
100
90
80
70
60
50
90
80
70
60
50
0.01
0.01
V
V
OUT
OUT
= 10V
= 5V
0.1
0.1
I
I
LOAD
LOAD
1
1
(mA)
(mA)
V
V
V
V
IN
IN
IN
IN
= 4.2V
= 2.5V
= 3.3V
= 5V
10
10
LTC3459
3459 TA05b
3459 TA04b
100
100
3459fa
9