Datasheet

LTM4616
24
4616ff
For more information www.linear.com/LTM4616
applications inForMation
Figure 21. Four Phase in Parallel, 1.2V at 32A
V
IN1
SV
IN1
RUN1
PLLLPF1
MODE1
PHMODE1
TRACK1
V
IN2
SV
IN2
RUN2
PLLLPF2
MODE2
PHMODE2
TRACK2
V
OUT1
FB1
I
TH1
I
THM1
PGOOD1
BSEL1
MGN1
V
OUT2
FB2
I
TH2
I
THM2
PGOOD2
BSEL2
MGN2
SW1 CLKIN1 CLKOUT1 CLKIN2 CLKOUT2
SW2 SGND1 GND1 SGND2 GND2
4616 F21
LTM4616
2.47k
C1
470µF
6.3V
10µF
6.3V
10µF
6.3V
10µF
6.3V
10µF
6.3V
V
IN
3V TO 5.5V
V
OUT
1.2V AT 32A
TRACK INPUT
OR V
IN
V
IN1
SV
IN1
RUN1
PLLLPF1
MODE1
PHMODE1
TRACK1
V
IN2
SV
IN2
RUN2
PLLLPF2
MODE2
PHMODE2
TRACK2
V
OUT1
FB1
I
TH1
I
THM1
PGOOD1
BSEL1
MGN1
V
OUT2
FB2
I
TH2
I
THM2
PGOOD2
BSEL2
MGN2
SW1 CLKIN1 CLKOUT1 CLKIN2 CLKOUT2
SW2 SGND1 GND1 SGND2 GND2
LTM4616
+
C2
470µF
6.3V
+
SANYO POSCAP
10mΩ
C3
470µF
6.3V
+
C4
22µF
6.3V
+
C5
22µF
6.3V
+
+
–
R2
50k
R1
50k
A1
V
+
I
OE
I
IN
OUT
GND
V
IN
3V TO 5.5V
BSEL: HIGH = 10%
FLOAT = 15%
LOW = 5%
A1, A2 PERICOM PI74ST1G126CEX
TOSHIBA TC7SZ126AFE
OE IN OUT MGN MARGIN VALUE
H
H
L
H
L
X
H
L
Z
H
L
V
IN
/2
+ Value of BSEL Selection
– Value of BSEL Selection
No Margin
OPTIONAL MARGINING CIRCUIT,
IF NOT USED TIE THE MGN PINS
TO A VOLTAGE EQUAL TO HALF
OF THE RESPECTIVE V
IN
6 PIN SC70 PACKAGE