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Package Cooled:SOP-
Part Number: ADP667
Package Cooled: SOP-
Description: The ADP667 is a low-dropout precision voltage regulator that can supply up to 250 mA output current. I...
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ADP667
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DataSheet
General Description
ADP667 General Description
The ADP667 is a low-dropout precision voltage regulator that can supply up to 250 mA output current. It can be used to give a fixed +5 V output with no additional external components or can be adjusted from +1.3 V to +16 V using two external resistors. Fixed or adjustable operation is automatically selected via the SET input. The low quiescent current (20 mA) in conjunction with the standby or shutdown mode (0.2 mA) makes this device especially suitable for battery powered systems. The dropout voltage when supplying 100 mA is only 5 mV allowing operation with minimal headroom and prolonging the battery useful life. At higher output current levels the dropout remains low increasing to just 150 mV when supplying 200 mA. A wide input voltage range from 3.5 V to 16.5 V is allowable.
Additional features include a dropout detector and a low supply/ battery monitoring comparator. The dropout detector can be used to signal loss of regulation, while the low battery detector can be used to monitor the input supply voltage.
The ADP667 is a pin-compatible replacement for the MAX667. It is specified over the industrial temperature range 40°C to +85°C and is available in an 8-pin DIP and in narrow surface mount (SOIC) packages.
ADP667 Maximum Ratings
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . .+18 V
Output Short Circuit to GND Duration . . . . . . . . . . . . . 1 sec
LBO Output Sink Current . . . . . . . . . . . . . . . . . . . . . . 50 mA
LBO Output Voltage . . . . . . . . . . . . . . . . . . . . GND to VOUT
SHDN Input Voltage . . . . . . . . . . . . . . .0.3 V (VIN + 0.3 V)
LBI, SET Input Voltage . . . . . . . . . . . . .0.3 V (VIN + 0.3 V)
Power Dissipation, N-8 . . . . . . . . . . . . . . . . . . . . . .625 mW
(Derate 8.3 mW/°C above +50°C)
qJA, Thermal Impedance . . . . . . . . . . . . . . . . . . . 120°C/W
Power Dissipation, SO-8 . . . . . . . . . . . . . . . . . . . .. 450 mW
(Derate 6 mW/°C above +50°C)
JA, Thermal Impedance . . . . . . . . . . . . . . . . . . . 170°C/W
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . 40°C to +85°C
Storage Temperature Range . . . . . . . .65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . +300°C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . +215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . +220°C
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .> 6000 V
Output Short Circuit to GND Duration . . . . . . . . . . . . . 1 sec
LBO Output Sink Current . . . . . . . . . . . . . . . . . . . . . . 50 mA
LBO Output Voltage . . . . . . . . . . . . . . . . . . . . GND to VOUT
SHDN Input Voltage . . . . . . . . . . . . . . .0.3 V (VIN + 0.3 V)
LBI, SET Input Voltage . . . . . . . . . . . . .0.3 V (VIN + 0.3 V)
Power Dissipation, N-8 . . . . . . . . . . . . . . . . . . . . . .625 mW
(Derate 8.3 mW/°C above +50°C)
qJA, Thermal Impedance . . . . . . . . . . . . . . . . . . . 120°C/W
Power Dissipation, SO-8 . . . . . . . . . . . . . . . . . . . .. 450 mW
(Derate 6 mW/°C above +50°C)
JA, Thermal Impedance . . . . . . . . . . . . . . . . . . . 170°C/W
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . 40°C to +85°C
Storage Temperature Range . . . . . . . .65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . +300°C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . +215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . +220°C
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .> 6000 V
ADP667 Features
Low-Dropout: 150 mV @ 200 mA
Low Power CMOS: 20 mA Quiescent Current
Shutdown Mode: 0.2 mA Quiescent Current
250 mA Output Current
Pin Compatible with MAX667
Stable with 10 mF Load Capacitor
Low Battery Detector
Fixed +5 V or Adjustable Output
+3.5 V to +16.5 V Input Range
Dropout Detector Output
Low Power CMOS: 20 mA Quiescent Current
Shutdown Mode: 0.2 mA Quiescent Current
250 mA Output Current
Pin Compatible with MAX667
Stable with 10 mF Load Capacitor
Low Battery Detector
Fixed +5 V or Adjustable Output
+3.5 V to +16.5 V Input Range
Dropout Detector Output
ADP667 Typical Application
Handheld Instruments
Cellular Telephones
Battery Operated Devices
Portable Equipment
Solar Powered Instruments
High Efficiency Linear Power Supplies
Cellular Telephones
Battery Operated Devices
Portable Equipment
Solar Powered Instruments
High Efficiency Linear Power Supplies
ADP667 Connection Diagram
ADP667
PDF/DataSheet Download
- Datasheet: ADP667
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