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MAX7388ANWB

Description
Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, PDSO8, 3 X 3 MM, MO-187CAA, MICRO, SOP-8
CategoryPower/power management    The power supply circuit   
File Size680KB,14 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric View All

MAX7388ANWB Overview

Power Supply Management Circuit, Fixed, 1 Channel, BICMOS, PDSO8, 3 X 3 MM, MO-187CAA, MICRO, SOP-8

MAX7388ANWB Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeTSSOP
package instructionTSSOP, TSSOP8,.19
Contacts8
Reach Compliance Codenot_compliant
ECCN codeEAR99
Other featuresPIN-PROGRAMMABLE WATCHDOG TIMEOUT
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeS-PDSO-G8
JESD-609 codee0
length3 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals8
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.19
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)240
power supply3/5 V
Certification statusNot Qualified
Maximum seat height1.1 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyBICMOS
Temperature levelAUTOMOTIVE
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3 mm
Base Number Matches1
19-3896; Rev 1; 1/06
System Monitoring Oscillator with
Watchdog and Power Fail
General Description
The MAX7387/MAX7388 replace ceramic resonators,
crystals, and supervisory functions for microcontrollers
in 3.3V and 5V applications.
The MAX7387/MAX7388 provide a clock source together
with integrated reset, watchdog, and power-fail func-
tions. The watchdog timer is pin programmable and
provides watchdog timeout values in the 16ms to
2048ms range. The power-fail output provides early
warning of power failure. The power-fail threshold on the
MAX7388 is internally set. The MAX7387 also provides
a separate watchdog output that is used as a status
indicator or to control safety-critical system elements.
The MAX7387/MAX7388 clock outputs are factory pro-
grammed to a frequency in the 1MHz to 16MHz range.
Four standard frequencies are available. Other frequen-
cies are available upon request. The maximum operating
supply current is 5.5mA (max) with a clock frequency of
12MHz.
Unlike typical crystal and ceramic resonator oscillator
circuits, the MAX7387/MAX7388 are resistant to EMI
and vibration, and operate reliably at high tempera-
tures. The high-output drive current and absence of
high-impedance nodes make the oscillator invulnerable
to dirty or humid operating conditions.
The MAX7387/MAX7388 are available in 10-pin and 8-pin
µMAX
®
packages, respectively. The MAX7387/MAX7388
standard operating temperature range is from -40°C to
+125°C.
Features
Robust Microcontroller Clock and Supervisor in a
Single Package
Integrated Reset, Watchdog, and Power-Fail
Functions
Pin-Programmable Watchdog Timeout
+2.7V to +5.5V Operation
Factory-Trimmed Oscillator
Reset Valid Down to 1.1V Supply Voltage
±10mA Clock-Output Drive Current
±4% Total Accuracy for -40°C to +125°C
±2.75% Total Accuracy for 0°C to +85°C
-40°C to +125°C Temperature Range
8- and 10-Pin µMAX Surface-Mount Packages
5.5mA Operating Current (12MHz)
1MHz to 16MHz Factory Preset Frequency
MAX7387/MAX7388
Ordering Information
PART
TEMP RANGE
o
o
o
o
PIN-PACKAGE PKG CODE
U10-2
U8-1
MAX7387srff
-40 C to +125 C 10 µMAX
MAX7388srff
-40 C to +125 C 8 µMAX
Applications
White Goods
Automotive
Appliances and Controls
Handheld Products
Portable Equipment
Microcontroller Systems
Note:
“s” is a placeholder for the reset output type. Insert the
symbol found in Table 3 in the place of “s.” “r” is a placeholder
for the power-on reset (POR) voltage. Insert the symbol found in
Table 2 in the place of “r.” “ff” is a placeholder for the nominal
output frequency. Insert the symbol found in Table 4 in the
place of “ff.” For example, MAX7387CMTP describes a device
with 4.38V reset level, open-collector
RST
output, and a clock
output frequency of 8MHz.
Typical Application Circuit, Functional Diagram, and Selector
Guide appear at end of data sheet.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Pin Configurations
TOP VIEW
PFI 1
V
CC
WDS1
WDS2
GND
2
3
4
5
10 CLOCK
9
RST/RST
WDI
PFO
WDO
WDS2
3
TOP VIEW
V
CC
1
8
7
CLOCK
RST/RST
WDI
PFO
MAX7387
WDS1 2
8
7
6
MAX7388
6
5
GND 4
µMAX
µMAX
1
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
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