TLD2326EL_15 Datasheet, PDF (27/30 Pages) Infineon Technologies AG – 3 Channel High Side Current Source

TLD2326EL
Application Information
10
Application Information
Note: The following information is given as a hint for the implementation of the device only and shall not be
regarded as a description or warranty of a certain functionality, condition or quality of the device.
D_RV
V_BATT
CIN
C_COMP
RCOMP
RFREQ
V_IN
L_BO
DBO
C_BO
SWO
IN
TSW
SWCS
TLD5095
SGND
R_CS
R_OVH
OVFB
R_OVL
R_FB1
ST
EN / PWMI
FREQ / SYNC
COMP
IVCC
CIVCC
FBH
FBL
PWMO
GND
R_FB2
R_FB3
RSET3
RSET2
1nF
RFB(PD)
DIAG function A
OUT function A
EN
Microcontroller
(e.g. XC866)
DIAG function B
OUT function B
RSET3
RSET2
VBO
CVS =4.7nF
VS
Internal
supply
EN
Thermal
protection
Output
control
IN_SET3
IN_SET2 Current
IN_SET1 ^adjust
BLIaTsIXic^TMLBEasDic Driver
RSET1
V_BO
OUT3
OUT2
OUT1
4.7nF** 4.7nF** 4.7nF**
DC/DC
control
FB GND
V_IN
CVS =4.7nF
VS
Internal
supply
EN
Thermal
protection
Output
control
IN_SET3
IN_SET2 Current
IN_SET1 ^adjust
BLaITsIXic^TMLBEasDic Driver
RSET1
OUT3
OUT2
OUT1
4.7nF** 4.7nF** 4.7nF**
DC/DC
control
FB GND
VIN
** For EMI improvement, if required.
Figure 17 System diagram DC/DC control Boost using 3 IN_SET pins
Note: This is a very simplified example of an application circuit. The function must be verified in the real application.
10.1
Further Application Information
• For further information you may contact http://www.infineon.com/
Data Sheet
27
Rev. 1.1, 2015-03-24