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MAX6330

Description
Precision Shunt Regulators with Reset in SOT23-3
File Size97KB,8 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX6330 Overview

Precision Shunt Regulators with Reset in SOT23-3

19-1348; Rev 0; 4/98
Precision Shunt Regulators with Reset
in SOT23-3
________________General Description
The MAX6330/MAX6331 combine a precision shunt
regulator with a power-on reset function in a single
SOT23-3 package. They offer a low-cost method of
operating small microprocessor (µP)-based systems
from high-voltage sources, while simultaneously pro-
tecting µPs from power-up, power-down, and brownout
conditions.
Both active-low (MAX6330) and active-high (MAX6331)
push/pull output versions are available. The output
voltage has ±1.5% tolerance. The MAX6330/MAX6331
operate over a wide shunt current range from 100µA to
50mA, and offer very good transient immunity.
A 3-pin SOT23 package allows for a significant reduc-
tion in board space and improves reliability compared
to multiple-IC/discrete solutions. These devices have a
minimum order increment of 2,500 pieces.
____________________________Features
o
100µA to 50mA Shunt Current Range
o
Low Cost
o
3-Pin SOT23 Package
o
±1.5% Tolerance on Output Voltage
o
Three Shunt Voltages Available: 5V, 3.3V, 3.0V
o
Precision Power-On Reset Threshold:
1.5% Tolerance Available with Either
RESET (MAX6331) or
RESET
(MAX6330)
Outputs
o
140ms Reset Timeout Period—No External
Components Required
MAX6330/MAX6331
________________________Applications
Controllers
Household Appliances
Intelligent Instruments
Critical µP and µC Power Monitoring
Portable/Size-Sensitive Equipment
Automotive
_______________Ordering Information
PART*
MAX6330_UR-T
MAX6331_UR-T
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
3 SOT23-3
3 SOT23-3
*Insert the desired suffix letter (from the table below) into the
blank to complete the part number. These devices have a mini-
mum order increment of 2,500 pieces.
SOT
RESET
SHUNT
TOP MARK
SUFFIX THRESHOLD REGULATOR
(V)
VOLTAGE (V) MAX6330 MAX6331
L
T
S
4.63
3.06
2.78
5.0
3.3
3.0
EKAA
EMAA
EDAA
ELAA
ENAA
EPAA
____________Typical Operating Circuit
V
IN
R
S
I
IN
V
SHUNT
I
SHUNT
SHUNT
I
LOAD
C
L
0.1µF*
V
CC
___________________Pin Configuration
TOP VIEW
MAX6330
MAX6331
RESET
(RESET)
GND
µP
RESET
INPUT
GND
1
MAX6330
MAX6331
GND
RESET
2
(RESET)
3
SHUNT
SOT23-3
*SEE THE SECTION
CHOOSING THE BYPASS CAPACITOR
(C
L
)
( ) ARE FOR THE MAX6331
________________________________________________________________
Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.

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MAX6330 MAX6330-MAX6331 MAX6331_UR-T MAX6330_UR-T
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