TLF50281EL Infineon Technologies, TLF50281EL Datasheet - Page 25

• Manufacturer Part Number: TLF50281EL
• Manufacturer: Infineon Technologies

Specifications of TLF50281EL

• Packages: PG-SSOP-14
• Comment: Asyncronous low-Iq-Buck; 5V/500mA; Iq
• Vq (max): 5V
• Iq (max): 500.0 mA
• Iq (typ): 45.0 µA
• Output: Buck Converter

Figure 9
Figure 10
Data Sheet
WMSEL,H
WMSEL,H
WMSEL,L
WMSEL,L
RT,LOW
WMSEL
RT,LOW
WMSEL
WO
WO
CC
RO
WI
CC
RO
WI
S
S
t
t
RD
RD
Watchdog Timing Diagram, Slow Watchdog timing
Watchdog Timing Diagram, Fast Watchdog timing
t
t
Don’t care WDI
RD
RD
during IW
Don’t care WDI
IW
during IW
Ignore
Wnd
1.Correct
Trigger
2.Correct
t
1. Correct Trigger
Trigger
sam
3.Correct
Trigger
t < t
2. Correct Trigger
WD,p
4.Correct
Trigger
t
sam
t < t
WD,p
Watchdog
Watchdog
Missing
causing
Missing
causing
Trigger
Trigger
Signal
Signal
Signal
Signal
t
WD,p
t
WD,p
t
t
RD
RD
25
IW
Ignore
Wnd
Correct
Trigger
Correct
Trigger
Correct
Trigger
Correct
Trigger
Correct
Trigger
Correct
Trigger
Correct
Trigger
Correct
Trigger
Correct
Trigger
Watchdog Signal
Watchdog Signal
Reset Signal
Reset Signal
Reset and Watchdog
Power
Power
Fail
t
Fail
t
causing
causing
RR
RR
Rev. 1.0, 2011-10-24
t
t
RD
RD
TLF50281EL
t
t
RD
RD
t
t
t
t
t
t
t
t
t
t
t
t
t
t