MB3800

Document Number: 002-08716 Rev. *A

Page 2 of 21

Contents

Pin Assignment ................................................................ 3

Pin Description ................................................................. 3

Block Diagram .................................................................. 4

Absolute Maximum Ratings ............................................ 4

Recommended Operating Conditions ............................ 5

Electrical Characteristics ................................................. 6

Diagram ............................................................................ 7

How to Set the Time Constant for Soft Start and

Short Circuit Detection .................................................... 8

Soft Start ..................................................................... 8

Short Circuit Protection ............................................... 8

Typical Characteristics .................................................... 9

Functional Description ................................................... 12

Switching Regulator Function .................................... 12

Power Supply Control Function ................................. 12

Other Functions ......................................................... 13

Application Example ..................................................... 13

Notes On Use .................................................................. 13

Ordering Information ...................................................... 14

RoHS Compliance Information of Lead (Pb)

Free version .................................................................... 14

Marking Format (Lead Free version) ........................... 15

Labeling Sample (Lead free version) ........................... 16

MB3800PF-

❏❏❏E1, MB3800PNF-❏❏❏E1

Recommended Conditions of Moisture

Sensitivity Level ............................................................. 17

Package Dimensions ...................................................... 18

Document History ........................................................... 20