LTC3701 Linear Technology, LTC3701 Datasheet - Page 17

• Manufacturer Part Number: LTC3701
• Description: 2-Phase/ Low Input Voltage/ Dual Step-Down DC/DC Controller
• Manufacturer: Linear Technology

APPLICATIO S I FOR ATIO
R
U
IN
V
IN
C
IN
BOLD LINES INDICATE
HIGH, SWITCHING
CURRENT LINES.
KEEP LINES TO A
MINIMUM LENGTH.
U
+
W
1
2
3
4
5
6
7
8
SENSE1
I
V
SGND
V
I
PLLLPF
SENSE2
TH
TH
FB1
FB2
/RUN1
/RUN2
R
R
SENSE1
SENSE2
Figure 11. Branch Current Waveforms
Figure 10. LTC3701 Layout Diagram
LTC3701
–
–
EXTCLK/MODE
U
SW1
SW2
SENSE1
SENSE2
PGATE1
PGATE2
PGOOD
PGND
V
IN
+
+
D1
D2
16
15
14
13
12
11
10
9
D1
D2
L1
L2
L1
L2
3701 F10
C
C
OUT1
OUT2
C
M1
M2
C
OUT1
OUT2
V
V
+
+
OUT1
OUT2
R
R
BOLD LINES INDICATE
HIGH CURRENT PATHS
SENSE1
SENSE2
C
IN
+
+
–
–
+
V
V
OUT1
OUT2
3701 F11
V
IN
R
R
L1
L2
LTC3701
17
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