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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX882 Datasheet

5V/3.3V or Adjustable / Low-Dropout / Low IQ / 200mA Linear Regulators

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MAX882 pdf
19-0275; Rev 0; 12/94
5V/3.3V or Adjustable, Low-Dropout,
Low IQ, 200mA Linear Regulators
_______________General Description
The MAX882/MAX883/MAX884 linear regulators maxi-
mize battery life by combining ultra-low supply currents
and low dropout voltages. They feature 200mA output
current capability at up to +125°C junction temperature
and come in a 1.5W SOIC package. The 1.5W package
(compared to 0.47W for standard SOIC packages)
allows a wider operating range for the input voltage and
output current. The MAX882/MAX883/MAX884 use a P-
channel MOSFET pass transistor to maintain a low 11µA
(15µA max) supply current from no-load to the full
200mA output. Unlike earlier bipolar regulators, there are
no PNP base current losses that increase with output
current. And, in dropout, the MOSFET does not suffer
from excessive base currents that occur when PNP tran-
sistors go into saturation. Typical dropout voltages are
220mV at 5V and 200mA, or 320mV at 3.3V and 200mA.
The MAX882 features a 7µA standby mode that disables
the output but keeps the reference, low-battery compara-
tor, and biasing circuitry alive. The MAX883/MAX884 fea-
ture a shutdown (OFF) mode that turns off all circuitry,
reducing supply current to less than 1µA. All three
devices include a low-battery-detection comparator, fold-
back current limiting, reverse-current protection, and
thermal overload protection.
The output is preset at 3.3V for the MAX882/MAX884
and 5V for the MAX883. In addition, all devices employ
Dual Mode™ operation, allowing user-adjustable outputs
from 1.25V to 11V using external resistors. The input volt-
age supply range is 2.7V to 11.5V.
For low-dropout linear regulators with output currents up
to 500mA, refer to the MAX603/MAX604 data sheet.
________________________Applications
Pagers and Cellular Phones
3.3V and 5V Regulators
1.25V to 11V Adjustable Regulators
High-Efficiency Linear Regulators
Battery-Powered Devices
Portable Instruments
Solar-Powered Instruments
__________________Pin Configuration
TOP VIEW
LBO 1
SET 2
GND 3
OUT 4
MAX882
MAX883
MAX884
8 LBI
7 OFF (STBY)
6 GND
5 IN
____________________________Features
o Guaranteed 200mA Output Current at
TJ = +125°C, with Foldback Current Limiting
o High-Power (1.5W) 8-Pin SO Package
o Dual Mode™ Operation: Fixed or Adjustable
Output from 1.25V to 11V
o Large Input Range (2.7V to 11.5V)
o Internal 1.1P-Channel Pass Transistor
Draws No Base Current
o Low 220mV Dropout Voltage at 200mA
Output Current
o 11µA Typical Quiescent Current
o 1µA (max) Shutdown Mode or 7µA (typ)
Standby Mode
o Low-Battery Detection Comparator
o Reverse-Current Protection
o Thermal Overload Protection
______________Ordering Information
PART
MAX882CPA
TEMP. RANGE
0°C to +70°C
PIN-PACKAGE
8 Plastic DIP
MAX882CSA
0°C to +70°C
8 SO
MAX882C/D
MAX882EPA
MAX882ESA
MAX882MJA
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
Dice*
8 Plastic DIP
8 SO
8 CERDIP**
Ordering Information continued at end of data sheet.
* Dice are tested at TJ = +25°C, DC parameters only.
** Contact factory for availability.
__________Typical Operating Circuit
ON/OFF
INPUT
VOLTAGE
BATTERY
CIN
O.1µF
OFF (STBY)
MAX882
IN MAX883 OUT
LBI MAX884
SET GND
OUTPUT
VOLTAGE
COUT
2.2µF
( ) ARE FOR MAX882
DIP/SO
( ) ARE FOR MAX882
Dual-Mode is a trademark of Maxim Integrated Products.
________________________________________________________________ Maxim Integrated Products 1
Call toll free 1-800-998-8800 for free samples or literature.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX882 Datasheet

5V/3.3V or Adjustable / Low-Dropout / Low IQ / 200mA Linear Regulators

No Preview Available !

MAX882 pdf
5V/3.3V or Adjustable, Low-Dropout,
Low IQ, 200mA Linear Regulators
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (IN or OUT to GND).......................-0.3V to +12V
Output Short-Circuit Duration .........................................1 minute
Continuous Output Current ...............................................300mA
LBO Output Current ............................................................50mA
LBO Output Voltage and LBI,
SET, STBY, OFF Input Voltages ................-0.3V to the greater of
(IN + 0.3V) or (OUT + 0.3V)
Continuous Power Dissipation (TJ = +70°C)
Plastic DIP (derate 9.09mW/°C above +70°C) ............727mW
High-Power SO (derate 18.75mW/°C above +70°C) .......1.5W
CERDIP (derate 8.00mW/°C above +70°C) .................640mW
Operating Temperature Ranges
MAX88_C_A ........................................................0°C to +70°C
MAX88_E_A .....................................................-40°C to +85°C
MAX88_MJA ..................................................-55°C to +125°C
Junction Temperature .....................................................+150°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VIN = 6V (MAX883) or VIN = 4.3V (MAX882/MAX884), COUT = 2.2µF, STBY or OFF = VIN, SET = GND, LBI = VIN, TJ = TMIN to TMAX,
unless otherwise noted. Typical values are at TJ = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
MAX88_C_A
2.7
11.5
Input Voltage Range
VIN SET = OUT, RL = 1kMAX88_E_A
2.9
11.5
V
MAX88_MJA
3.0
11.5
IOUT = 10µA–200mA,
TJ +125°C
Output Voltage (Note 2)
MAX883,
6.0V VIN 11.5V
VOUT
IOUT = 10µA–250mA,
TJ +85°C
IOUT = 10µA–250mA,
TJ +70°C
IOUT = 10µA–150mA,
TJ +125°C
4.75
5.00
5.25
mV
mV
MAX882/MAX884,
4.3V VIN 11.5V
IOUT = 10µA–200mA,
TJ +85°C
3.15
3.30
3.45
Load Regulation
VLDR
IOUT = 10µA–200mA,
TJ +70°C
MAX883C_A/E_A
IOUT = 1mA to 200mA MAX883MJA
IOUT = 1mA to 150mA MAX882, MAX884
60 100
150
mV
30 100
Line Regulation
Dropout Voltage (Note 3)
Quiescent Current
VLNR
VDO
IQ
(VOUT + 0.5V) < VIN < 11.5V, IOUT = 10mA
MAX883
IOUT = 100mA
IOUT = 200mA
MAX882/MAX884
SET = OUT,
VIN = 6V
IOUT = 100mA
IOUT = 200mA
MAX88_C_A/E_A
MAX88_MJA
VIN = 11.5V
MAX88_C_A/E_A
MAX88_MJA
10 40 mV
110 220
220 440
mV
160 320
320 640
11 15
30
µA
15 25
40
2 _______________________________________________________________________________________


Part Number MAX882
Description 5V/3.3V or Adjustable / Low-Dropout / Low IQ / 200mA Linear Regulators
Maker Maxim
Total Page 16 Pages
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