TLD5045EJ_15 Datasheet, PDF (5/30 Pages) Infineon Technologies AG – 700mA High Integration - DC/DC Step-Down Converter

Infineon® LITIX™ Power
TLD5045EJ
Pin Configuration
3
Pin Configuration
3.1
Pin Assignment
VREC 1
ST 2
EN 3
SET 4
TLD5045
EP
Figure 3-1 Pin Configuration TLD5045EJ
3.2
Pin Definitions and Functions
8 SW
7 GND
6 FREQ
5 PWMI
Table 3-1
# Name
1 VREC
2 ST
3 EN
4 SET
sec_bias_prereg pin definition and function
Direction Type Function
Voltage Recirculation Output and Internal Supply
Input;
This pin is the supply pin of the IC (see block diagram).
Furthermore the cathode of the integrated fast free-
wheeling diode is connected to this pin as well.
Status Output;
Open collector diagnostic output to indicate an open
load failure.
Refer to Chapter 7 for more details.
Enable;
Apply logic HIGH signal to enable the device
SET Input;
Connect a low power resistor to adjust the output
current.
Data Sheet
5
Revision 1.0
2015-05-28