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TLE7273-2_14 Datasheet, PDF (5/26 Pages) Infineon Technologies AG – Low Dropout Voltage Regulator
3.3
Pin Assignments (PG-SSOP-14 Exposed Pad)
TLE7273-2
Pin Configuration
RO
1
GND
2
14
EN
13
I
n.c.
3
12
n.c.
n.c.
4
11
n.c.
GND
5
10
n.c.
WM2
6
9
Q
WM1
7
8
WDI
TLE7273-2_PINCONFIG_SSOP-
14.SVG
Figure 3 Pin Assignment PG-SSOP-14 Exposed Pad (top view)
3.4
Pin Definitions and Functions (PG-SSOP-14 Exposed Pad)
Table 2 Pin Definitions and Functions
Pin No.
Symbol
Function
1
RO
Reset Output
integrated 20 kΩ pull-up resistor (TLE7273-2EV50);
leave open if not needed
2, 5
GND
Ground
connect to GND
3, 4, 10, 11, 12
n.c.
not connected
leave open or connect to GND
6
WM2
Watchdog Mode Bit 2
watchdog and reset mode selection, see Figure 5;
connect to VQ or GND
7
WM1
Watchdog Mode Bit 1
watchdog and reset mode selection, see Figure 5;
connect to VQ or GND
8
WDI
Watchdog Input
trigger input for watchdog pulses;
pull down to GND if not needed and turn off the watchdog with WM1 and
WM2 pin
9
Q
Output Voltage
block to GND with a ceramic capacitor CQ ≥ 470 nF close to IC terminal
13
I
Input Voltage
block to ground directly at the IC with a 100 nF ceramic capacitor
14
EN
Enable Input
low level disables the IC;
integrated pull-down resistor
Pad
–
Exposed Pad
connect to heatsink area;
connect with GND on PCB
Data Sheet
5
Rev. 1.21, 2014-11-19