LTC1985ES5-1.8 Linear Technology, LTC1985ES5-1.8 Datasheet - Page 7

• Manufacturer Part Number: LTC1985ES5-1.8
• Description: Micropower Precision Triple Supply Monitor with Push-Pull Reset Output in a 5-Lead SOT-23 Package
• Manufacturer: Linear Technology

TYPICAL APPLICATIO S
Typical Application Showing Resistor on RST Output to Ground
ADJUSTABLE
SUPPLY
R1
R2
1.8V
3V
5
4
3
2
Resistor on RST Output to Ground Ensures RST Valid to V
V
V
V
GND
LTC1985-1.8
CC3
CC18
CCA
U
1985-18 TA06
RST
THRESHOLD 2.31V
Using V
ADJUSTABLE
RESET TRIP
LTC1435
1
V
OSENSE
CCA
R3
100k
Tied to DC/DC Feedback Divider
6
2.5V
27.4k
1%
2.26k
1%
22.6k
1%
1.8V
3V
RST Voltage vs V
5
4
3
2
V
V
V
GND
LTC1985-1.8
CC3
CC18
CCA
4
3
2
1
0
0
1985-18 TA05
V
CC3
RST
= V
1
CC18
CC
CC3
1
= 0V
= V
with a Resistor on RST to Ground
SYSTEM RESET
CCA
V
CC3
2
(V)
LTC1985-1.8
3
1985-18 TA06b
4
7