MAX837EUS-T Maxim Integrated Products, MAX837EUS-T Datasheet

IC V-MONITOR MICROPOWER SOT143-4

MAX837EUS-T

Manufacturer Part Number
MAX837EUS-T
Description
IC V-MONITOR MICROPOWER SOT143-4
Manufacturer
Maxim Integrated Products
Type
Simple Reset/Power-On Resetr
Datasheet
1.MAX837EUST.pdf (7 pages)

Specifications of MAX837EUS-T

Number Of Voltages Monitored
1
Output
Push-Pull, Totem Pole
Reset
Active Low
Reset Timeout
80 µs Typical Propagation Delay
Voltage - Threshold
Adjustable/Selectable
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SOT-143, SOT-143B, TO-253AA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
MAX837EUS-T
MAX837EUS-TTR
Q1168308
Q1241576

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
MAX837EUS-T
Manufacturer:
SIL
Quantity:
3 519
Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
MAX837EUS-T
Manufacturer:
MAXIM/美信
Quantity:
20 000
______________ General Description
The MAX836/MAX837 micropower voltage monitors
contain a 1.204V precision bandgap reference and a
comparator in a SOT143 package. The MAX836 has an
open-drain, n-channel output driver, while the MAX837
has a push-pull output driver. Two external resistors set
the trip threshold voltage.
________________________Applications
__________Typical Operating Circuit
19-1137; Rev 3; 5/08
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
V
CC
Precision Battery Monitor
Load Switching
Battery-Powered Systems
Threshold Detectors
0.1μF
GND
V
1.204V
CC
REF
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Maxim Integrated Products
MAX836
MAX837
4-Pin Micropower Voltage Monitors
OUT
IN
V
CC
MAX836
ONLY
o ±1.25% Precision Voltage Threshold
o SOT143 Package
o Low Cost
o < 5µA Typical Supply Current
o Open-Drain Output (MAX836)
_______________Ordering Information
* All devices available in tape-and-reel only. Contact factory for
availability.
Devices are available in both leaded and lead-free packaging.
Specify lead-free by replacing “-T” with “+T” when ordering.
___________________Pin Configuration
____________________________Features
MAX836EUS-T
MAX837EUS-T
Push-Pull Output (MAX837)
TOP VIEW
PART*
GND
V
CC
TEMP RANGE
-40°C to +85°C 4 SOT143-4
-40°C to +85°C
2
1
SOT143
MAX836
MAX837
4 SOT143-4
PIN-
PACKAGE
3
4
OUT
IN
MARK
EQAA
ERAA
TOP
1

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MAX837EUS-T Summary of contents

Page 1

... Typical Supply Current o Open-Drain Output (MAX836) Push-Pull Output (MAX837) _______________Ordering Information PART* MAX836EUS-T MAX837EUS-T * All devices available in tape-and-reel only. Contact factory for availability. Devices are available in both leaded and lead-free packaging. Specify lead-free by replacing “-T” with “+T” when ordering. ___________________Pin Configuration ...

Page 2

Micropower Voltage Monitors ABSOLUTE MAXIMUM RATINGS V , OUT to GND (MAX836) ....................................-0.3V to 12V CC IN, OUT to GND (MAX837).........................-0. Input Current V .................................................................................20mA CC IN.....................................................................................10mA Output Current, OUT...........................................................20mA Stresses beyond those listed under “Absolute Maximum ...

Page 3

Micropower Voltage Monitors __________________________________________Typical Operating Characteristics (V = +5V 1MΩ 10kΩ (MAX836 only LOAD PULLUP TRIP THRESHOLD VOLTAGE vs. TEMPERATURE 1.207 1.206 1.205 1.204 1.203 1.202 1.201 -60 -40 - ...

Page 4

Micropower Voltage Monitors _____________________________Typical Operating Characteristics (continued +5V 1MΩ 10kΩ (MAX836 only LOAD PULLUP V FALLING PROPAGATION DELAY CC vs. TEMPERATURE 160 1mV/μs 140 120 10mV/μs 100 -60 ...

Page 5

Micropower Voltage Monitors both parts. For the MAX836, select the ratio of resistors R1 and R2 so that IN sees 1.204V when the monitor volt- age falls to or rises above the desired trip point (V R3 adds hysteresis ...

Page 6

Micropower Voltage Monitors Chip Information TRANSISTOR COUNT ...

Page 7

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 7 © 2008 Maxim Integrated Products ...

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