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LTM4644 Datasheet(PDF) 26 Page - Linear Technology

Part # LTM4644
Description  Low VIN 20A DC/DC 關Module Step-Down Regulator
PDF  32 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4644 Datasheet(HTML) 26 Page - Linear Technology

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LTM4639
26
4639f
For more information www.linear.com/LTM4639
TYPICAL APPLICATIONS
Figure 22. 2.375V to 7VIN, 1.5V at 20A Design
PGOOD
VOUT
VOUT_LCL
DIFF_OUT
VOSNS+
VOSNS–
VFB
LTM4639
R1
10k
RFB*
40.2k
R3
100k
470pF
CIN
22µF
25V
×4
CFF*
180pF
2.2µF
C7
0.1µF
680µF
2.5V
×2
100µF
6.3V
×2
VOUT
1.5V
20A
COUT1*
COUT2*
INTVCC
CONTINUOUS
MODE
*SEE TABLE 5
4639 F22
VIN
2.375V TO 7V
+
VCC
1.8V
D+
D–
VREF
VPTAT
LTC2997
VIN
COMPA
COMPB
TRACK/SS
RUN
fSET
MODE_PLLIN
TEMP–
TEMP+
1µF
INTVCC
EXTVCC
SGND
GND OT_TEST
CPWR
+5V BIAS
VCC
GND
0.1µF
INTVCC
4mV/K
180pF*
C30*
22pF



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