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LT3007ITS8-3.3#TR

Description
Low Dropout Fault Tolerant Linear Regulators LT3007 Series - 3++A IQ, 20mA, 45V
Categorysemiconductor    Power management IC    Voltage regulator and the voltage controller    Low dropout regulator   
File Size383KB,20 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LT3007ITS8-3.3#TR Overview

Low Dropout Fault Tolerant Linear Regulators LT3007 Series - 3++A IQ, 20mA, 45V

LT3007ITS8-3.3#TR Parametric

Parameter NameAttribute value
MakerADI
Product CategoryLow Dropout Voltage Regulator
RoHSN
Installation styleSMD/SMT
Package/boxSOT-8
The output voltage3.3 V
Output current0.02 A
Number of outputs1 Output
polarityPositive
Quiescent Current3 uA
Maximum input voltage45 V
Minimum input voltage2 V
Output typeFixed
Minimum operating temperature- 40 C
Maximum operating temperature+ 125 C
load regulation2.8 mV
seriesLT3007
Fallback voltage300 mV
high1 mm
productLDO Voltage Regulators
Tolerance2 %
typeMicropower LDO
Fallback voltage—maximum value500 mV
Output voltage range-
PSRR/Ripple Rejection—Typical70 dB
line regulation3.3 mV
Working power current0.003 mA
FEATURES
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LT3007 Series
3µA I
Q
, 20mA, 45V
Low Dropout Fault Tolerant
Linear Regulators
DESCRIPTION
The
LT
®
3007
series are micropower, low dropout voltage
(LDO) linear regulators. The devices supply 20mA output
current with a dropout voltage of 300mV. No-load quies-
cent 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 LT3007 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 LT3007 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 LT3007 is available in the thermally
enhanced 8-lead TSOT-23 package.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered and ThinSOT is a
trademark of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
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FMEA Fault Tolerant:
Output Stays at or Below Regulation Voltage During
Adjacent Pin Short or if a Pin Is Left Floating
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 Package
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
V
IN
3.8V TO
45V
IN
1µF
OUT
LT3007-3.3
SHDN
SENSE
2.2µF
DROPOUT VOLTAGE (mV)
V
OUT
3.3V
20mA
Dropout Voltage/Quiescent Current
500
450
400
350
300
250
200
150
100
50
0
–50 –25
0
0
25 50 75 100 125 150
TEMPERATURE (°C)
3007 TA01b
3007fa
I
LOAD
= 20mA
6
DROPOUT
VOLTAGE
5
QUIESCENT CURRENT (µA)
4
I
Q
3
2
1
GND
3007 TA01a
For more information
www.linear.com/LT3007
1

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