TLD5098EL Datasheet, PDF (5/39 Pages) Infineon Technologies AG – DC/DC Boost, Buck-Boost, SEPIC controller

3
Pin Configuration
3.1
Pin Assignment
TLD5098EL
Pin Configuration
IVCC
SWO
SGND
SWCS
PWMO
FBH
FBL
1
14
2
13
3
12
4
exposed
Pad
11
5
10
6
9
7
8
PINCONFIG_SSOP-14_5098.SVG
IN
EN/PWMI
GND
FREQ/SYNC
SET
OVFB
COMP
Figure 2 Pin Configuration
3.2
Pin Definitions and Functions
Pin
Symbol
1
IVCC
2
SWO
3
SGND
4
SWCS
5
PWMO
6
FBH
7
FBL
8
COMP
Function
Internal LDO Output;
Used for internal biasing and gate drive. Bypass with external capacitor close to
the pin. Pin must not be left open.
Switch Output;
Connect to gate of external switching MOSFET
Current Sense Ground;
Ground return for current sense switch
Current Sense Input;
Detects the peak current through switch
PWM Dimming Output;
Connect to gate of external MOSFET
Voltage Feedback Positive;
Non inverting Input (+)
Voltage Feedback Negative;
Inverting Input (-)
Compensation Input;
Connect R and C network to pin for stability
Datasheet
5
Rev. 1.0, 2010-10-13