LTC2904 Linear Technology, LTC2904 Datasheet - Page 12

• Manufacturer Part Number: LTC2904
• Description: (LTC2904 / LTC2905) Precision Dual Supply Monitors
• Manufacturer: Linear Technology

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APPLICATIO S I FOR ATIO
LTC2904/LTC2905
12
follow:
At V
TYPICAL APPLICATIO S
R
CC
PU
= 3.3V, R
=
MAX V V
6 10
( ,
PU
•
1 2
U
is about 260k. Using 150pF for load
5
) –
1
U
V
Ω
3.3V, 1.2V Dual Supply Monitor with LED Power Good Indicator,
U
W
1.2V
1.2V
0.1µF
0.1µF
2.5V, 1.2V Supply Monitor, 10% Tolerance
7.5% Tolerance and Adjustable Timer
SYSTEM
RESET
U
V2
RST
RST
GND
V2
S2
S1
GND
LTC2904
LTC2904
capacitance, the rise time is 86µs. An external pull-up
resistor may be used if the output needs to pull up faster
and/or to a higher voltage, for example: the rise time
reduces to 3.3µs for a 150pF load capacitance, when using
a 10k pull-up resistor.
TOL
RST
RST
TOL
V1
S2
S1
V1
510Ω
SYSTEM
RESET
LED
0.1µF
2904 TA02
2.5V
0.1µF
2905 TA03
3.3V
sn29045 29045fs