LTM4637xV

20A DC/DC µModule Step-Down Regulator, LGA-133

Schematic Symbol

Pin Configuration (133 pins)

Pin	Name	Type
A1	VIN	power_in
A2	VIN	passive
A3	VIN	passive
A4	VIN	passive
A5	VIN	passive
A6	VIN	passive
A7	INTVCC	power_out
A8	MODE_PLLIN	input
A9	TRACK/SS	passive
A10	RUN	input
A11	COMP	passive
A12	MTP1	no_connect
B1	VIN	passive
B2	VIN	passive
B3	VIN	passive
B4	VIN	passive
B5	VIN	passive
B6	VIN	passive
B7	GND	power_in
B9	GND	passive
B11	MTP2	no_connect
B12	FSET	passive
C1	VIN	passive
C2	VIN	passive
C3	VIN	passive
C4	VIN	passive
C5	VIN	passive
C6	VIN	passive
C7	GND	passive
C9	GND	passive
C10	MTP3	no_connect
C11	MTP4	no_connect
C12	MTP5	no_connect
D1	GND	passive
D2	GND	passive
D3	GND	passive
D4	GND	passive
D5	GND	passive
D6	GND	passive
D8	GND	passive
D9	INTVCC	passive
D10	TEMP	passive
D11	MTP6	no_connect
D12	MTP7	no_connect
E1	GND	passive
E2	GND	passive
E3	GND	passive
E4	GND	passive
E5	GND	passive
E6	GND	passive
E7	GND	passive
E9	GND	passive
E12	EXTVCC	power_in
F1	GND	passive
F2	GND	passive
F3	GND	passive
F4	GND	passive
F5	GND	passive
F6	GND	passive
F7	GND	passive
F8	GND	passive
F9	GND	passive
F11	PGOOD	open_collector
F12	VFB	input
G1	GND	passive
G2	GND	passive
G3	GND	passive
G4	GND	passive
G5	GND	passive
G6	GND	passive
G7	GND	passive
G8	GND	passive
G9	GND	passive
G11	SGND	power_in
G12	PGOOD	open_collector
H1	GND	passive
H2	GND	passive
H3	GND	passive
H4	GND	passive
H5	GND	passive
H6	GND	passive
H7	GND	passive
H8	GND	passive
H9	GND	passive
H11	SGND	passive
H12	SGND	passive
J1	VOUT	power_out
J2	VOUT	passive
J3	VOUT	passive
J4	VOUT	passive
J5	VOUT	passive
J6	VOUT	passive
J7	VOUT	passive
J8	VOUT	passive
J9	VOUT	passive
J10	VOUT	passive
J12	VOSNS+	input
K1	VOUT	passive
K2	VOUT	passive
K3	VOUT	passive
K4	VOUT	passive
K5	VOUT	passive
K6	VOUT	passive
K7	VOUT	passive
K8	VOUT	passive
K9	VOUT	passive
K10	VOUT	passive
K11	VOUT	passive
K12	DIFF_OUT	output
L1	VOUT	passive
L2	VOUT	passive
L3	VOUT	passive
L4	VOUT	passive
L5	VOUT	passive
L6	VOUT	passive
L7	VOUT	passive
L8	VOUT	passive
L9	VOUT	passive
L10	VOUT	passive
L11	VOUT	passive
L12	VOUT_LCL	input
M1	VOUT	passive
M2	VOUT	passive
M3	VOUT	passive
M4	VOUT	passive
M5	VOUT	passive
M6	VOUT	passive
M7	VOUT	passive
M8	VOUT	passive
M9	VOUT	passive
M10	VOUT	passive
M11	VOUT	passive
M12	VOSNS-	input

Footprint

Confirmed

Package_LGA/Linear_LGA-133_15.0x15.0mm_Layout12x12_P1.27mm

Pad Layout

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

B1

B2

B3

B4

B5

B6

B7

B9

B11

B12

C1

C2

C3

C4

C5

C6

C7

C9

C10

C11

C12

D1

D2

D3

D4

D5

D6

D8

D9

D10

D11

D12

E1

E2

E3

E4

E5

E6

E7

E9

E12

F1

F2

F3

F4

F5

F6

F7

F8

F9

F11

F12

G1

G2

G3

G4

G5

G6

G7

G8

G9

G11

G12

H1

H2

H3

H4

H5

H6

H7

H8

H9

H11

H12

J1

J2

J3

J4

J5

J6

J7

J8

J9

J10

J12

K1

K2

K3

K4

K5

K6

K7

K8

K9

K10

K11

K12

L1

L2

L3

L4

L5

L6

L7

L8

L9

L10

L11

L12

M1

M2

M3

M4

M5

M6

M7

M8

M9

M10

M11

M12

Pads (133)

Number	Type
A1	smd
A2	smd
A3	smd
A4	smd
A5	smd
A6	smd
A7	smd
A8	smd
A9	smd
A10	smd
A11	smd
A12	smd
B1	smd
B2	smd
B3	smd
B4	smd
B5	smd
B6	smd
B7	smd
B9	smd
B11	smd
B12	smd
C1	smd
C2	smd
C3	smd
C4	smd
C5	smd
C6	smd
C7	smd
C9	smd
C10	smd
C11	smd
C12	smd
D1	smd
D2	smd
D3	smd
D4	smd
D5	smd
D6	smd
D8	smd
D9	smd
D10	smd
D11	smd
D12	smd
E1	smd
E2	smd
E3	smd
E4	smd
E5	smd
E6	smd
E7	smd
E9	smd
E12	smd
F1	smd
F2	smd
F3	smd
F4	smd
F5	smd
F6	smd
F7	smd
F8	smd
F9	smd
F11	smd
F12	smd
G1	smd
G2	smd
G3	smd
G4	smd
G5	smd
G6	smd
G7	smd
G8	smd
G9	smd
G11	smd
G12	smd
H1	smd
H2	smd
H3	smd
H4	smd
H5	smd
H6	smd
H7	smd
H8	smd
H9	smd
H11	smd
H12	smd
J1	smd
J2	smd
J3	smd
J4	smd
J5	smd
J6	smd
J7	smd
J8	smd
J9	smd
J10	smd
J12	smd
K1	smd
K2	smd
K3	smd
K4	smd
K5	smd
K6	smd
K7	smd
K8	smd
K9	smd
K10	smd
K11	smd
K12	smd
L1	smd
L2	smd
L3	smd
L4	smd
L5	smd
L6	smd
L7	smd
L8	smd
L9	smd
L10	smd
L11	smd
L12	smd
M1	smd
M2	smd
M3	smd
M4	smd
M5	smd
M6	smd
M7	smd
M8	smd
M9	smd
M10	smd
M11	smd
M12	smd

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