Datasheet

17
LTC3564
3564f
Single Li-Ion 1.5V/1.25A Regulator for High Efficiency and Low Profile, <1mm Height
V
IN
C
IN
**
10μF
CER
V
IN
2.7V
TO 5.5V
LTC3564
RUN
3
0.9μH*
22pF
604k
402k *FDK MIPW3226D0R9M
**TAIYO YUDEN JMK107BJ106M
A
3564 TA03a
5
4
1
2
SW
V
FB
GND
C
OUT
**
10μF×2
CER
V
OUT
1.5V
OUTPUT CURRENT (mA)
0.1
40
EFFICIENCY (%)
50
60
70
80
1001 10 1000 10000
3564 TA03b
30
20
10
0
90
100
V
OUT
= 1.5V
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
I
L
1A/DIV
I
LOAD
1A/DIV
V
OUT
100mV/DIV
AC COUPLED
20μs/DIVV
IN
= 3.6V
V
OUT
= 1.5V
I
LOAD
= 0.3A TO 1.25A
3564 TA04c
TYPICAL APPLICATIO S
U