TLD1326EL_15 Datasheet, PDF (30/34 Pages) Infineon Technologies AG – 3 Channel High Side Current Source

TLD1326EL
Application Information
11
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.
V_Batt
V_S
D_RV
8 _VS
BDS 5
C_S
BUO 6
TLD5085
7 _EN
C_bootstrap
L_BU
D_BU
R_FB1
1 _{PWMI FB 4}
3 _COMP
GND
2
C_COMP
R_COMP
R_FB2
1nF
RFB(PD)
V_BO
C_BU1
CVS =4.7nF
VS
Internal
supply
EN
Thermal
protection
PWMI
N-1
Output
control
CN-1
IN_SET Current
adjust
RSET
BLaITsIXic^TMLBEasDic Driver
V_BO
CVS =4.7nF
VS
Internal
supply
EN
Thermal
protection
PWMI
Output
control
N-1
CN-1
IN_SET Current
adjust
BLaITsIXic^TMLBEasDic Driver
RSET
OUT3
OUT2
OUT1
4.7nF** 4.7nF** 4.7nF**
DC /DC
control
FB GND
OUT3
OUT2
OUT1
4.7nF** 4.7nF** 4.7nF**
DC /DC
control
FB GND
Figure 20
System diagram DC/DC control Buck + N-1 detection
** For EMI improvement, if required.
Data Sheet
30
Rev. 1.1, 2015-03-24