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LT3023EDD#PBF

Description
IC reg ldo adj 0.1A 10dfn
CategoryPower/power management    The power supply circuit   
File Size133KB,4 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
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LT3023EDD#PBF Overview

IC reg ldo adj 0.1A 10dfn

LT3023EDD#PBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeDFN
package instructionHVSON, SOLCC10,.11,20
Contacts10
Manufacturer packaging codeDD
Reach Compliance Codecompliant
ECCN codeEAR99
Samacsys DescriptionLinear Technology LT3023EDD#PBF, Dual LDO Voltage Regulator, Adjustable 100mA, 1.22 → 20 V, 10-Pin
AdjustabilityADJUSTABLE
Maximum drop-back voltage 10.45 V
Nominal dropback voltage 10.3 V
Maximum drop-back voltage 20.45 V
JESD-30 codeS-PDSO-N10
JESD-609 codee3
length3 mm
Maximum grid regulation rate (%/V)0.046
Maximum load regulation (%)2%
Humidity sensitivity level1
Number of functions1
Output times2
Number of terminals10
Working temperatureTJ-Max125 °C
Working temperature TJ-Min-40 °C
Maximum output current 10.1 A
Maximum output current 20.1 A
Maximum output voltage 120 V
Minimum output voltage 11.22 V
Maximum output voltage 220 V
Minimum output voltage 21.22 V
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC10,.11,20
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Regulator typeADJUSTABLE POSITIVE MULTIPLE OUTPUT LDO REGULATOR
Maximum seat height0.8 mm
surface mountYES
technologyBIPOLAR
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3 mm
Base Number Matches1
QUICK START GUIDE FOR DEMONSTRATION CIRCUIT 704
LT3023
DESCRIPTION
Demonstration circuit 704 is a dual output regulator
based on the LT3023 IC, which consists of two iden-
tical LDO linear regulators. The DC704 has an input
voltage range of 2.3V to 20V, and either output is ca-
pable of delivering up to 100mA of output current.
The DC supply current is typically only 20uA (per
channel) at no load. The LT3023 comes in a small
10-pin DFN package, which has an exposed pad on
the bottom-side of the IC for better thermal perform-
ance. DC704 comes installed with ceramic capaci-
tors, because of the LT3023 ability of maintaining
stability with ceramic output capacitors. There are
ceramic bypass capacitors on each output for extra
low noise performance. These features make the
DC704 an ideal circuit for use in battery-powered,
hand-held applications or noise sensitive applica-
tions.
Design files for this circuit are available. Call the
LTC Factory.
DUAL OUTPUT LOW NOISE LDO REGULATORS
QUICK START PROCEDURE
DC704 is easy to set up to evaluate the performance
of the LT3023. Refer to Figure 1 for proper meas-
urement equipment setup and follow the procedure
outlined below for proper operation.
1.
Connect the input power supply to the VIN
and GND terminals. Connect the loads be-
tween the VOUT and GND terminals.
Before proceeding to operation, insert jump-
ers JP3 and JP4 into the OFF positions, jump-
ers JP1 and JP2 into the voltage options of
choice (2.5V, 3.3V, and 5V).
Apply 6.5V at VIN. Measure both VOUT1 and
VOUT2; they should read 0V.
Turn on VOUT1 and VOUT2 by moving jump-
ers JP3 and JP4 from the OFF position to the
ON position. Both output voltages should be
within a tolerance of +/- 2%.
Vary the input voltage from 6.5V to 20V. Both
output voltages should be within +/- 3.3% tol-
erance.
6.
Vary each load current from 0 to 100mA.
Both output voltages should be within a toler-
ance of +/- 4%.
Observe both output voltages AC-coupled;
they should measure noise voltages of less
than 2mVAC each. Refer to Figure 2 for
proper measurement technique.
When finished, move jumpers JP3 and JP4 to
the OFF position and disconnect the power.
7.
8.
2.
3.
4.
5.
Warning - if long leads are used to power the demo
circuit, the input voltage at the part could “ring”,
which could affect the operation of the circuit or even
exceed the maximum voltage rating of the IC. To
eliminate the ringing, insert a small tantalum capaci-
tor (for instance, an AVX part # TAJW106M025R) on
the pads between the input power and return termi-
nals on the bottom of the demo board. The (greater)
ESR of the tantalum will dampen the (possible) ring-
ing voltage due to the use of long input leads. On a
normal, typical PCB, with short traces, the capacitor
is not needed.
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