LTC3405A-1.8_15 Datasheet, PDF (12/16 Pages) Linear Technology – 1.5V, 1.8V, 1.5MHz, 300mA Synchronous Step-Down Regulators in ThinSOT

LTC3405A-1.5/LTC3405A-1.8
APPLICATIO S I FOR ATIO
V_IN
2.7V
TO 4.2V
C_IN**
4.7µF
CER
4
V_IN
3
SW
LTC3405A-1.8
1
RUN
6
5
MODE V_OUT
6.8µH*
V_OUT
1.8V
C_OUT**
4.7µF
CER
GND
*SUMIDA CMD4D11-6R8MC
2
** TAIYO YUDEN JMK212BJ475MG
3405A1518 F06a
Figure 6a.
100
90
60
70
60
50
40
30
0.1
V_IN = 2.7V
V_IN = 4.2V
V_IN = 3.6V
1
10
100
OUTPUT CURRENT (mA)
1000
3405A1518 F06b
Figure 6b.
V_OUT
100mV/DIV
AC COUPLED
I_L
200mA/DIV
I_L
200mA/DIV
V_IN = 3.6V
20µs/DIV
V_OUT = 1.8V
I_LOAD = 100mA TO 300mA
Figure 6c.
3405A1518 F06c
12
3405a1518fa