L4978 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

生产厂家

L4978

2A STEP DOWN SWITCHING REGULATOR

STMicroelectronics 

Figure 30. SO16 Wide Mechanical Data & Package Dimensions

DIM.

MIN.

mm

TYP. MAX. MIN.

inch

TYP. MAX.

A 2.35

2.65 0.093

0.104

A1 0.10

0.30 0.004

0.012

B 0.33

0.51 0.013

0.200

C 0.23

0.32 0.009

0.013

D (1) 10.10

10.50 0.398

0.413

E 7.40

7.60 0.291

0.299

e

1.27

0.050

H 10.0

10.65 0.394

0.419

h 0.25

0.75 0.010

0.030

L 0.40

1.27 0.016

0.050

k

0˚ (min.), 8˚ (max.)

ddd

0.10

0.004

(1) “D” dimension does not include mold flash, protusions or gate

burrs. Mold flash, protusions or gate burrs shall not exceed

0.15mm per side.

OUTLINE AND

MECHANICAL DATA

SO16 (Wide)

L4978

0016021 C

11/13

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