TLD5098EL Datasheet, PDF (32/39 Pages) Infineon Technologies AG – DC/DC Boost, Buck-Boost, SEPIC controller

TLD5098EL
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.
D_RV
L₁
V_IN
L_BO
V_BATT
C_IN
C₁
C₂
Provisional
Parts
VCC or VIVCC
PWM - Output
IC₂
Microcontroller
(e.g. XC866)
Input
Output
Output
CIVCC
14 IN
1 IVCC
SWO 2
SWCS 4
PWM
Rfilter
C_COMP
SGND 3
10 _SET
Cfilter
OVFB 9
IC₁
TLD5098
13 EN / PWMI
11 FREQ / SYNC
8 COMP
FBH 6
FBL 7
R_FREQ
R_COMP
GND
12
PWMO 5
D_BO
I_SW
I_BO
V_BO
C_BO
T_SW
R_CS
R_OVH
R_OVL
R_FB
V_REF
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
I_LED
TDIM
Figure 19 LED Low Side Return Application Circuit (Boost to GND, B2G)
Reference
Designator
D_{1 - 10}
D_BO
C_IN, C_BO
C_COMP
C_IVCC
IC₁
IC₂
L_BO
R_COMP
R_FB
R_FREQ
R_OVH
R_OVL
R_CS
T_DIM,T_SW
Value
Manufacturer
White
Schottky, 3 A, 100 V_R
100 uF, 50V
10 nF
1uF , 6.3V
--
--
100 uH
10 kΩ, 1%
820 mΩ, 1%
20 kΩ, 1%
33.2 kΩ, 1%
1 kΩ, 1%
50 mΩ, 1%
Dual N-ch enh. (60V, 20A)
alternativ: 100V N-ch, 35A
alternativ : 60V N-ch, 2.6A
Osram
Vishay
Panasonic
EPCOS
EPCOS
Infineon
Infineon
Coilcraft
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Infineon
Infineon
Infineon
Part
Number
LW W5SM
SS3H10
EEEFK1H101GP
X7R
MLCC CCNPZC105KBW X7R
TLD5098
XC866
MSS1278T-104ML
ERJ3EKF 1002V
ERJ14BQFR82U
ERJ3EKF 2002V
ERJ3EKF 3322V
ERJ3EKF 1001V
ERJB1CFR05U
IPG20N06S4L-26
IPD35N10S3L-26
BSP318S
Figure 20 Bill of Materials for LED Low Side Return Application Circuit
Type
LED
Diode
Capacitor
Capacitor
Capacitor
IC
IC
Inductor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Transistor
Transistor
Transistor
Quantity
10
1
2
1
1
1
1
1
1
1
1
1
1
1
1
2
2
Datasheet
32
Rev. 1.0, 2010-10-13