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LTM4630A Datasheet(PDF) 10 Page - Linear Technology

Part # LTM4630A
Description  Dual 10A or Single 20A 關Module Regulator
Download  34 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4630A Datasheet(HTML) 10 Page - Linear Technology

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LTM4646
10
4646f
For more information www.linear.com/LTM4646
BLOCK DIAGRAM
Figure 1. Simplified LTM4646 Block Diagram
+–
+
+–
+
+
RUN1 AND RUN2
SEPARATE:
DRVCC
EXTVCC
MODE_PLLIN
CLKOUT
PHASMD
RUN2
SGND
100k
POWER
CONTROL
LOGIC
BLOCK
SS
VIN
DRVCC
MTOP2
C8
1µF
0.47µH
GATE
DRIVE
INTERNAL
COMP
COMP2A
TRACK/SS1
FREQ
VRNG
INTVCC
INTVCC
COMP2B
COMP1A
COMP1B
115k
350kHz
SGND
RUN1
VIN
4.7µF
130k
TRACK/SS2
PGOOD2
SGND
CSS
VFB1
0.555V
PGOOD2
BLOCK
SS
SGND
1µA
0.645V
0.6V REF
50k
R7
50k
LOCATED NEAR
POWER STAGES
470pF
VOUT2
60.4k
49.9Ω
MBOT2
1µF
1µA
VFB2
VOUTS2–
TEMP2+
TEMP2
VOUTS2
COUT2
RFB3
30.1k
GND
TEMP SENSOR
SGND
VOUT2
VOUT2 1.2V/10A
SW2
VIN
PGOOD1
gm
+
+
+
+
VFB2
RFB2
60.4k
CIN3
10µF
25V
CIN4
10µF
25V
SGND
CSS
SGND
100k
INTVCC
1µF
1µF
gm
+
+
SGND
0.6V
REF
VFB1
VFB1
0.555V
PGOOD1
BLOCK
0.645V
+
+
LOCATED NEAR POWER STAGES
PNP
470pF
TEMP1+
TEMP1
TEMP SENSOR
VOUT1
60.4k
49.9Ω
×1
VFB1
VOUTS1
RFB1
40.2k
VIN
MTOP1
1µF
0.47µH
GATE
DRIVE
MBOT1
1µF
COUT1
GND
VOUT1
1.5V/10A
SW1
VIN
CIN1
10µF
25V
CIN2
10µF
25V
100µF
25V
TOP G
BOT G
DRVCC
LDO
DRVCC
CPWR
CPWR
VOUTS1–
VIN 4.5V TO 20V
GND
RUN1 AND RUN2
TIED TOGETHER:
GND
INTERNAL
COMP
x2
0.6V
0.3V
SEE FIGURE 18
2Ω
PNP
tSOFT-START =
CSS
1µA • 0.6V
)
(
RFREQ =
41550
f(kHz)
– 2.2
)
(
RPULLUP =
VIN(MIN) • 100k
1.3
– 100k
)
(
RPULLUP =
VIN(MIN) • 50k
1.3
– 50k
)
(
4646 F01


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