LTC2904 Datasheet, PDF (13/16 Pages) Linear Technology – Precision Dual Supply Monitors with Pin-Selectable Thresholds

TYPICAL APPLICATIO S
LTC2904/LTC2905
DC/DC
CONVERTER
5V, 3.3V Dual Supply Monitor with Voltage
Margining for Automated On-Board Testing
5V
3.3V
SYSTEM
LOGIC
V_IN
SUPPLY
CONTROLLER
THREE-STATE
0.1µF
V1
V2
LTC2905
S1
TMR
S2
GND
TOL
RST
0.1µF
22nF
29045 TA06
3.3V, 1.2V Dual Supply Monitor with Asymmetric Hysteresis, 5%
Tolerance (Supplies Rising), 10% Tolerance (After RST Goes Low)
1.2V
0.1µF
V2
V1
3.3V
LTC2904
10k
S2
RST
0.1µF
S1
GND
TOL
RST ^SYSTEM
RESET
2904 TA04
sn29045 29045fs
13