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LTC2920-1CS5#TRM

Description
IC SNGL/DUAL PWR CTRLR TSOT23-5
CategoryAnalog mixed-signal IC    The signal circuit   
File Size158KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric View All

LTC2920-1CS5#TRM Overview

IC SNGL/DUAL PWR CTRLR TSOT23-5

LTC2920-1CS5#TRM Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeSOT
package instructionVSSOP,
Contacts5
Manufacturer packaging codeS5
Reach Compliance Codenot_compliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesANALOG CIRCUIT
JESD-30 codeR-PDSO-G5
JESD-609 codee0
length2.9 mm
Humidity sensitivity level1
Number of functions1
Number of terminals5
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeVSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)235
Certification statusNot Qualified
Maximum seat height1 mm
Maximum supply voltage (Vsup)6 V
Minimum supply voltage (Vsup)2.3 V
surface mountYES
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width1.625 mm
LTC2920-1/LTC2920-2
Single/Dual Power Supply
Margining Controller
FEATURES
DESCRIPTIO
Margin Voltage Precision <0.4%
400:1 Current Programming Range
Symmetric/Asymmetric High and Low Voltage
Margining
Single Control Pin per Supply—High, Float, Low
Single Current Setting Resistor per Supply
Wide V
CC
Compliance 2.3V < V
CC
< 6V
Wide Output Compliance
0.6V < V
MARGIN
< (V
CC
– 0.6V)
Single in 5-Pin ThinSOT
TM
(LTC2920-1)
Dual in 8-Pin MSOP (LTC2920-2)
The LTC
®
2920 allows power supplies and power supply
module output voltages to be precisely adjusted both up
and down for automated PCB testing. The power supply
output voltage is changed by sourcing or sinking current
into the feedback node or voltage adjust pin of the power
supply. This allows a system to test the correct operation
of electrical components at the upper and/or lower power
supply voltage limits specified for a given design (Power
Supply “Margining”).
The LTC2920 uses a single resistor to set the voltage
margining current. The margining current is adjustable
over a 400:1 range. Precision margin currents can be
supplied to within 0.6V of ground or V
CC
.
The LTC2920-1 is a single margining controller. The
LTC2920-2 has two independently controllable margining
channels. Each channel has its own control pin and current
setting resistor. The LTC2920-2 can be used to symmetri-
cally margin two power supplies, or asymmetrically mar-
gin a single power supply.
Both the LTC2920-1 and LTC2920-2 feature a trimmed on-
board voltage reference. Typical power supply margining
accuracy is better than 0.4%.
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
APPLICATIO S
Automated PCB Production Testing
Automated Preventative Maintenance Testing
DC/DC Converter Module Margining
TYPICAL APPLICATIO
1
+V
IN
+V
OUT
5
3.3V Quarter Brick with
±5%
Voltage Margining
3.3V
AT 4A
150Ω
2μF
V
CC
IN1
I
M1
LTC2920-1
R
S1
GND
6
7
2920-1/2 TA01
5%
SYSTEM
CONTROLLER
THREE-STATE
R
SET1
10k
1%
–5%
LOGIC HI
IN1
LOGIC FLOAT
LOGIC LOW
1ms/DIV
+
33μF
POWER ONE
I5S013ZE-A
+
0.1μF
NOM
+V
OUT
TRIM
–V
OUT
–48V
2
–V
IN
U
2920-1/2 TA01a
U
U
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