MAX667 Maxim, MAX667 Datasheet
MAX667
Manufacturer Part Number
MAX667
Description
+5V/Programmable Low-Dropout Voltage Regulator
Manufacturer
Maxim
Datasheet
1.MAX667.pdf
(8 pages)
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The MAX667 low-dropout, positive, linear voltage regu-
lator supplies up to 250mA of output current. With no
load, it has a typical quiescent current of 20µA. At
200mA of output current, the input/output voltage differ-
ential is typically 150mV. Other features include a low-
voltage detector to indicate power failure, as well as
early-warning and low-dropout detectors to indicate an
imminent loss of output voltage regulation. A shutdown
control disables the output and puts the circuit into a
low quiescent-current mode.
The MAX667 employs Dual Mode™ operation. One
mode uses internally trimmed feedback resistors to pro-
duce +5V. In the other mode, the output may be varied
from +1.3V to +16V by connecting two external resistors.
The MAX667 is a pin-compatible upgrade to the
MAX666 in most applications where the input voltages
are above +3.5V. Choose the MAX667 when high out-
put currents and/or low dropout voltages are desired,
as well as for improved performance at higher
temperatures.
________________________Applications
19-3894; Rev 3; 10/94
TM
Call toll free 1-800-998-8800 for free samples or literature.
__________Typical Operating Circuit
_______________General Description
Dual Mode is a trademark of Maxim Integrated Products.
BATTERY
+6.3V
Battery-Powered Devices
Pagers and Radio Control Receivers
Portable Instruments
Solar-Powered Instruments
IN
________________________________________________________________ Maxim Integrated Products
SET
MAX667
GND
SHDN
OUT
+5V/Programmable Low-Dropout
10 F
C1
+5V OUT
* Contact factory for dice specifications.
____________________________Features
______________Ordering Information
MAX667CPA
MAX667CSA
MAX667C/D
MAX667EPA
MAX667ESA
MAX667MJA
__________________Pin Configuration
350mV Max Dropout at 200mA
250mA Output Current
Normal Mode: 20µA Typ Quiescent Current
Shutdown Mode: 0.2µA Typ Quiescent Current
Low-Battery Detector
Fixed +5V (Min Component Count) or
Adjustable Output
+3.5V to +16.5V Input
Dropout Detector Output
10µF Output Capacitor
TOP VIEW
PART
Voltage Regulator
GND
OUT
LBI
DD
TEMP. RANGE
1
2
3
4
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
DIP/SO
MAX667
8
7
6
5
IN
LBO
SET
SHDN
8 Plastic DIP
PIN-PACKAGE
8 SO
Dice
8 Plastic DIP
8 SO
8 CERDIP
*
1
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