Datasheet

LTM4644/LTM4644-1
33
Rev. F
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LTM4644/LTM4644-1 Component BGA Pinout
PACKAGE DESCRIPTION
PACKAGE ROW AND COLUMN LABELING M AY VARY
AMONG µModule PRODUCTS. REVIEW EACH PACKAGE
LAYOUT CAREFULLY.
PIN NAME PIN NAME PIN NAME PIN NAME PIN NAME PIN NAME
A1 V
OUT1
B1 GND C1 V
OUT2
D1 V
OUT2
E1 GND F1 V
OUT3
A2 V
OUT1
B2 GND C2 PGOOD2 D2 V
OUT2
E2 GND F2 PGOOD3
A3 V
OUT1
B3 V
IN1
C3 PGOOD1 D3 GND E3 V
IN2
F3 TEMP
A4 GND B4 V
IN1
C4 INTV
CC1
D4 GND E4 V
IN2
F4 INTV
CC2
A5 GND B5 SV
IN1
C5 GND D5 GND E5 SV
IN2
F5 GND
A6 TRACK/SS1 B6 MODE1 C6 RUN1 D6 TRACK/SS2 E6 MODE2 F6 RUN2
A7 FB1 B7 COMP1 C7 CLKIN D7 FB2 E7 COMP2 F7 SGND
PIN NAME PIN NAME PIN NAME PIN NAME PIN NAME
G1 V
OUT3
H1 GND J1 V
OUT4
K1 V
OUT4
L1 GND
G2 V
OUT3
H2 GND J2 PGOOD4 K2 V
OUT4
L2 GND
G3 GND H3 V
IN3
J3 CLKOUT K3 GND L3 V
IN4
G4 GND H4 V
IN3
J4 INTV
CC3
K4 GND L4 V
IN4
G5 GND H5 SV
IN3
J5 GND K5 INTV
CC4
L5 SV
IN4
G6 TRACK/SS3 H6 MODE3 J6 RUN3 K6 TRACK/SS4 L6 MODE4
G7 FB3 H7 COMP3 J7 FB4 K7 RUN4 L7 COMP4
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