LTC1707 Datasheet, PDF (14/16 Pages) Linear Technology – High Efficiency Monolithic Synchronous Step-Down Switching Regulator

LTC1707
TYPICAL APPLICATIO S
3.3V Input to 2.5V/0.4A Regulator
C_ITH
47pF
C_SS
0.1µF
1
I_TH
8
V_REF
2
RUN/SS
7
SYNC/MODE
3
V_FB
LTC1707
6
V_IN
4
GND
SW ⁵
* SUMIDA CD54-100
** TAIYO YUDEN LMK325BJ106K-T
† _{AVX TPSC107M006R0150}
10µH*
R2
169k
1%
R1
80.6k
1%
V_OUT
2.5V
0.4A
+ C_OUT†
100µF
6.3V
V_IN = 3.3V
C_IN**
10µF
CERAMIC
1707 TA03
Double Lithium-Ion to 2.5V/0.5A Regulator
C_ITH
47pF
C_SS
0.1µF
1
I_TH
8
V_REF
2 _{RUN/SS SYNC/MODE} 7
3
LTC1707
6
V_FB
V_IN
4
GND
5
SW
* SUMIDA CD54-250
** AVX TPSC107M006R0150
*** AVX TPSC226M016R0375
25µH*
R2
169k
1%
+
R1
80.6k
1%
V_OUT
2.5V
0.5A
+
C_OUT **
100µF
6.3V
V_IN ≤ 8.4V
C_IN***
22µF
16V
1707 TA05
14