TLD5098EL Datasheet, PDF (33/39 Pages) Infineon Technologies AG – DC/DC Boost, Buck-Boost, SEPIC controller

TLD5098EL
Application Information
D_RV
L_filter
V_BATT
C_IN
C₁
C₂
Provisional
Parts
VCC or VIVCC
PWM - Output
IC₂
Microcontroller
(e.g. XC866)
Output
Input
Output
PWM
Rfilter
C_COMP
R_FREQ
R_COMP
V_IN
14 IN
L₁
SWO 2
SWCS 4
SGND 3
CSEPIC
D_BO
I_SW
L₂
CBO
T_SW
RCS
R_OVH
10 _SET
OVFB 9
Cfilter
IC₁
R_OVL
TLD5098
13 EN / PWMI
11 FREQ / SYNC
8 COMP
FBH 6
FBL 7
IVCC 1
CIVCC
BAS1603W
D_POL
R_POL
10kΩ
Startup Circuit
GND
12
PWMO 5
R_FB
V_REF
I_LED
D1
Number of LEDs could
be variable!
This means the
following configurations
are possible:
1) VOUT < VIN (Buck)
2) VOUT > VIN (Boost)
Dn
TDIM
Figure 21 SEPIC Application Circuit
Reference
Designator
D_{1 - n}
D_BO
C_SEPIC
C_{IN ,} C_BO
C_COMP
C_IVCC
IC₁
IC₂
L₁ , L₂
R_COMP, R_POL
D_POL
R_FB
R_FREQ
R_OVH
R_OVL
R_CS
T_DIM,T_SW
Value
Manufacturer
White
Schottky, 3 A, 100 V_R
3.3 uF, 20V
100 uF, 50V
10 nF
1uF , 6.3V
--
--
47 uH
alternativ: 22uH coupled
inductor
10 kΩ, 1%
80V Diode
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
EPCOS
Panasonic
EPCOS
EPCOS
Infineon
Infineon
Coilcraft
Coilcraft
Panasonic
Infineon
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Infineon
Infineon
Infineon
Part
Number
LW W5SM
SS3H10
X7R, Low ESR
EEEFK 1H101GP
X7R
MLCC CCNPZC105KBW X7R
TLD 5098
XC866
MSS1278T-473ML
MSD1278 -223MLD
ERJ3EKF 1002V
BAS 1603W
ERJ14BQFR82U
ERJ3EKF 2002V
ERJ3EKF 3322V
ERJ3EKF 1001V
ERJB 1CFR 05U
IPG20N06S4L-26
IPD35N10S3L-26
BSP 318S
Figure 22 Bill of Materials for SEPIC Application Circuit
Type
LED
Diode
Capacitor
Capacitor
Capacitor
Capacitor
IC
IC
Inductor
Inductor
Resistor
Diode
Resistor
Resistor
Resistor
Resistor
Resistor
Transistor
Transistor
Transistor
Quantity
variable
1
1
2
1
1
1
1
2
1
2
1
1
1
1
1
1
1
2
2
Datasheet
33
Rev. 1.0, 2010-10-13