LTM4616 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTM4616' PDF : 30 Pages View PDF
LTM4616
Applications Information
VIN
3V TO 5.5V
TRACK INPUT
OR VIN
10µF
6.3V
10µF
6.3V
SW1
VIN1
SVIN1
RUN1
PLLLPF1
MODE1
PHMODE1
TRACK1
VIN2
SVIN2
RUN2
PLLLPF2
MODE2
PHMODE2
TRACK2
SW2
CLKIN1
SGND1
CLKOUT1 CLKIN2
LTM4616
GND1 SGND2
CLKOUT2
VOUT1
FB1
ITH1
ITHM1
PGOOD1
BSEL1
MGN1
VOUT2
FB2
ITH2
ITHM2
PGOOD2
BSEL2
GND2
MGN2
2.47k
+ C1
470µF
6.3V
VOUT
1.2V AT 32A
SANYO POSCAP
10mΩ
+ C2
470µF
6.3V
10µF
6.3V
10µF
6.3V
SW1
VIN1
SVIN1
RUN1
PLLLPF1
MODE1
PHMODE1
TRACK1
VIN2
SVIN2
RUN2
PLLLPF2
MODE2
PHMODE2
TRACK2
SW2
CLKIN1
CLKOUT1 CLKIN2
CLKOUT2
VOUT1
FB1
ITH1
ITHM1
PGOOD1
BSEL1
LTM4616
MGN1
VOUT2
FB2
ITH2
ITHM2
PGOOD2
BSEL2
SGND1
GND1 SGND2
GND2
MGN2
4616 F21
BSEL: HIGH = 10%
FLOAT = 15%
LOW = 5%
A1, A2 PERICOM PI74ST1G126CEX
TOSHIBA TC7SZ126AFE
OE IN OUT MGN MARGIN VALUE
HH H
H + Value of BSEL Selection
HL
L
L – Value of BSEL Selection
L
X
Z VIN/2 No Margin
Figure 21. Four Phase in Parallel, 1.2V at 32A
24
For more information www.linear.com/LTM4616
+ C3
470µF
6.3V
+ C5 + C4
22µF
22µF
6.3V
6.3V
A1
R1
V+
50k
OUT
VIN
3V TO 5.5V
IOE
R2
IIN
50k GND
6 PIN SC70 PACKAGE
OPTIONAL MARGINING CIRCUIT,
IF NOT USED TIE THE MGN PINS
TO A VOLTAGE EQUAL TO HALF
OF THE RESPECTIVE VIN
4616ff
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