TLE4247 Datasheet, PDF (5/14 Pages) Infineon Technologies AG – Constant Current Relay Driver

3
Pin Configuration
3.1
Pin Assignment
TLE4247
Pin Configuration
6
QF
QF
'
3*'62H[SRVHGSDG


,1


QF


QF


&*1'
3LQRXWVYJ
Figure 2 Pin Configuration
3.2
Pin Definitions and Functions
Pin
1
2, 3, 6, 7
4
Symbol
S
n.c.
D
5
CGND
8
IN
Exposed Pad –
Function
IC Supply; connect to relay coil freewheeling resistor according to Figure 1.
Not Connected; connection to heat sink area and CGND recommended.
Delay; for generating the activation time length, connect a ceramic capacitor
between pin D and CGND.
Relay Coil Current Output and IC Ground;
Relay Coil Current Input;
connect to relay coil according to Figure 1.
Exposed Pad;
interconnect with CGND and heat sink area on PCB.
Datasheet
5
Rev. 1.01, 2010-05-04