English
Language : 

BUK221-50DY Datasheet, PDF (2/16 Pages) NXP Semiconductors – Dual channel high-side TOPFET
Philips Semiconductors
2. Pinning information
BUK221-50DY
Dual channel high-side TOPFET™
B
S
mb
1234567
I1
L1
P
I2
L2
Front view
MBK128
No connection can be made to pin 4
(cropped).
Fig 1. Pinning; SOT427 (D2-PAK).
G
03pa68
P represents protection circuitry.
Fig 2. Symbol; (Dual High-Side Switch)
TOPFETTM.
2.1 Pin description
Table 2:
Symbol
L1
G
I1
B
S
I2
L2
-
Pin description
Pin
I/O
1
O
2
-
3
I
4
-
5
O
6
I
7
O
mb
-
[1] [2]
[2]
Description
load 1
circuit common ground
input 1
battery
status
input 2
load 2
mounting base
[1] Pin 4 is cropped and cannot be connected to the PCB by surface mounting.
[2] The battery is connected to the mounting base.
9397 750 11167
Product data
Rev. 01 — 16 April 2003
© Koninklijke Philips Electronics N.V. 2003. All rights reserved.
2 of 16