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| LTC3560_15 Datasheet, PDF (14/16 Pages) Linear Technology – 2.25MHz, 800mA Synchronous Step-Down Regulator in ThinSOT | |||
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LTC3560
APPLICATIONS INFORMATION
VIN
2.7V
TO 4.2V
CIN*
10μF
CER
3MHz CLK
4
VIN
3
SW
LTC3560
1
RUN
6
5
SYNC/MODE VFB
GND
2 3560 F07a
1μH**
10pF
301k
301k
*TDK C2012X5R0J106M
**MURATA LQH32CN1R0M33
Figure 7a
VOUT
1.2V
COUT*
10μF
CER
100
90
80
70
60
50
40
30
20
10
0
1
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
10
100
LOAD CURRENT (mA)
1000
3560 F07b
Figure 7b
VOUT
100mV/DIV
AC COUPLED
IL
500mA/DIV
ILOAD
500mA/DIV
VIN = 3.6V
20μs/DIV
VOUT = 1.2V
ILOAD = 300A TO 800mA
Figure 7c
3560 F07c
VOUT
100mV/DIV
AC COUPLED
IL
500mA/DIV
ILOAD
500mA/DIV
VIN = 3.6V
20μs/DIV
VOUT = 1.2V
ILOAD = 0mA TO 500mA
Figure 7d
3560 F07d
3560fb
14
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