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LTM4650 Datasheet(PDF) 10 Page - Analog Devices

No. de pieza LTM4650
Descripción Electrónicos  20VIN, 20A Step-Down DC-to-DC μModule Regulator
PDF  38 Pages
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
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LTM4650 Datasheet(HTML) 10 Page - Analog Devices

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Data Sheet
LTM4640
analog.com
Rev. 0
10 of 38
Table 5. LTM4640 Component BGA Pinout
PIN ID
FUNCTION
PIN ID
FUNCTION
PIN ID
FUNCTION
PIN ID
FUNCTION
A1–G4
A1
VOUT
A2
VOUT
A3
VOUT
A4
VOUT
B1
VOSNS+
B2
GND
B3
INTVCC
B4
RUN
C1
FB
C2
VOSNS–
C3
GND
C4
GND
D1
COMPa
D2
MODE/CLKIN
D3
VIN
D4
VIN
E1
FREQ
E2
TRACK/SS
E3
VIN
E4
VIN
F1
COMPb
F2
CLKOUT
F3
VOUT
F4
VIN
G1
VOUT
G2
VOUT
G3
VOUT
G4
VIN
A5–G7
A5
VOUT
A6
TSENSE+
A7
TSENSE–
B5
PGOOD
B6
GND
B7
SW
C5
GND
C6
GND
C7
GND
D5
GND
D6
GND
D7
GND
E5
GND
E6
GND
E7
GND
F5
GND
F6
GND
F7
GND
G5
PHMODE
G6
GND
G7
GND
PIN
NAME
DESCRIPTION
CFG 1
stops, and the internal reference resumes control of the error amplifier. There’s an
internal 6µA pull-up current from INTVCC on this pin, putting a capacitor here provides
a soft start function. See the Applications Information section for details.
F1
COMPb
Internal Loop Compensation Network. Connect to COMPa pin to use the internal
compensation in the majority of applications.
F2
CLKOUT
Output Clock Signal for PolyPhase Operation. The phase of CLKOUT with respect to
CLKIN is determined by the state of the respective PHMODE pin. CLKOUT’s peak-to-
peak amplitude is INTVCC to GND. See the Applications Information section for details.
G5
PHMODE
Control Input to the Phase Selector of the Switching Mode Regulator. It determines
the phase relationship between the internal oscillator and CLKOUT. Connect it to
INTVCC for a 2-phase operation, connect it to GND for a 3-phase operation, and
connect it to INTVCC/2 for a 4-phase operation. See the Applications Information
section for details.



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