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LT3008EDC-1.8PBF

Description
5 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO8
Categorysemiconductor    Power management   
File Size441KB,20 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric View All

LT3008EDC-1.8PBF Overview

5 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO8

LT3008EDC-1.8PBF Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals8
Maximum output current0.0200 A
Maximum output voltage5.1 V
Minimum output voltage4.9 V
Maximum input voltage45 V
Minimum input voltage2 V
Processing package descriptionPLASTIC, MO-193, TSOT-23, 8 PIN
stateACTIVE
packaging shapeRECTANGULAR
Package SizeSMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.6500 mm
terminal coatingTIN LEAD
Terminal locationDUAL
Packaging MaterialsPLASTIC/EPOXY
Maximum voltage difference0.5000 V
Adjustment typeFIXED POSITIVE LDO REGULATOR
Rated output voltage5 V
LT3008 Series
3µA I
Q
, 20mA, 45V
Low Dropout Linear Regulators
FEATURES
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DESCRIPTION
The LT
®
3008 series are micropower, low dropout voltage
(LDO) linear regulators. The devices supply 20mA output
current with a dropout voltage of 300mV. No-load quiescent
current is 3μA. Ground pin current remains at less than
5% of output current as load increases. In shutdown,
quiescent current is less than 1μA.
The LT3008 regulators optimize stability and transient
response with low ESR ceramic capacitors, requiring a
minimum of only 2.2μF The regulators do not require
.
the addition of ESR as is common with other regulators.
Internal protection circuitry includes current limiting,
thermal limiting, reverse-battery protection and reverse-
current protection.
The LT3008 series are ideal for applications that require
moderate output drive capability coupled with ultralow
standby power consumption. The device is available in
fixed output voltages of 1.2V, 1.5V, 1.8V, 2.5V, 3.3V and
5V, and an adjustable version with an output voltage range
of 0.6V to 44.5V. The LT3008 is available in the thermally
enhanced 6-lead DFN and 8-lead TSOT-23 packages.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
Ultralow Quiescent Current: 3μA
Input Voltage Range: 2.0V to 45V
Output Current: 20mA
Dropout Voltage: 300mV
Adjustable Output (V
ADJ
= V
OUT(MIN)
= 600mV)
Fixed Output Voltages: 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V
Output Tolerance:
±2%
Over Load, Line and
Temperature
Stable with Low ESR, Ceramic Output Capacitors
(2.2μF Minimum)
Shutdown Current: <1μA
Current Limit Protection
Reverse-Battery Protection
Thermal Limit Protection
TSOT-23 and 2mm
×
2mm DFN Packages
APPLICATIONS
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Automotive
Low Current Battery-Powered Systems
Keep-Alive Power Supplies
Remote Monitoring
Utility Meters
Low Power Industrial Applications
TYPICAL APPLICATION
3.3V, 20mA Supply with Shutdown
500
IN
1μF
LT3008-3.3
SHDN
SENSE
OUT
2.2μF
V
OUT
3.3V
20mA
450
DROPOUT VOLTAGE (mV)
400
350
300
250
200
150
100
50
0
–50 –25
0
0
25 50 75 100 125 150
TEMPERATURE (°C)
3008 TA01b
3008fa
Dropout Voltage/Quiescent Current
I
LOAD
= 20mA
6
DROPOUT
VOLTAGE
5
QUIESCENT CURRENT (μA)
4
3
2
1
V
IN
3.8V TO
45V
GND
3008 TA01a
I
Q
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