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5962-0625102KXC

Description
Switching Controller, Voltage-mode, 1A, 1000kHz Switching Freq-Max, CMOS, CDSO24, 0.600 X 0.300 INCH, 0.130 INCH HEIGHT, HERMETIC SEALED, CERAMIC, SOP-24
CategoryPower/power management    The power supply circuit   
File Size234KB,19 Pages
ManufacturerCobham Semiconductor Solutions
Download Datasheet Parametric View All

5962-0625102KXC Overview

Switching Controller, Voltage-mode, 1A, 1000kHz Switching Freq-Max, CMOS, CDSO24, 0.600 X 0.300 INCH, 0.130 INCH HEIGHT, HERMETIC SEALED, CERAMIC, SOP-24

5962-0625102KXC Parametric

Parameter NameAttribute value
MakerCobham Semiconductor Solutions
Parts packaging codeSOIC
package instructionSOP,
Contacts24
Reach Compliance Codeunknown
ECCN codeEAR99
Is SamacsysN
Other featuresCAN ALSO BE CONFIGURED IN CURRENT MODE
Analog Integrated Circuits - Other TypesSWITCHING CONTROLLER
control modeVOLTAGE-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage5.5 V
Minimum input voltage4.5 V
Nominal input voltage5 V
JESD-30 codeR-CDSO-G24
Number of functions1
Number of terminals24
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
Maximum output current1 A
Package body materialCERAMIC, METAL-SEALED COFIRED
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Certification statusNot Qualified
Filter levelMIL-STD-883
Maximum seat height3.302 mm
surface mountYES
Switch configurationPUSH-PULL
Maximum switching frequency1000 kHz
technologyCMOS
Temperature levelMILITARY
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Base Number Matches1
Standard Products
PWM5031 / PWM5032 RadHard High Speed PWM Controller
www.aeroflex.com/RadHard
November 3, 2008
FEATURES
Radiation hardness:
- Total dose 1MRad(Si)
- Single event latchup (SEL) immune to 100MeV-cm
2
/mg
- Single event upset (SEU) 20MeV-cm
2
/mg
(Upsets found were benign and non-stressful to the PWM or supporting electronic components)
CMOS low power design
Sleep & enable control lines
Optimized for applications: buck, boost, flyback, forward and center tapped push-pull converters
Supports current mode or voltage mode operations
Selectable 50% / 100% duty cycle
Under-Voltage lockout with hysteresis
Dual ±1Amp peak totem pole outputs
1 MHz maximum – user selectable
Low RO error amp
Auxiliary op amp with shut down pin
Power OK indicator
PWM5034 - Same as PMW5032 except straight leads
Designed for commercial, industrial and aerospace applications
Ceramic 24-lead, hermetic package, .6L x .3W x .13H
- PWM5031/5032 Gull Wing leads
- PWM5034 Straight leads
- Weight: 1.2 g max
- Contact factory for die availability
Evaluation board available for test and evaluation. See Aeroflex Application Note AN5031-1
DSCC SMD: 5962-06251 approved
NOTE: Aeroflex Plainview does not currently have a DSCC Certified Radiation Hardened Assurance Program
Developed in Partnership with JHU/APL and the Technology Application Group for the
Mars Technology Program; Part of NASA’s Mars Exploration Program
OVERVIEW AND GENERAL OPERATION
The chip is a fixed frequency Pulse Width Modulator based on the industry standard UC1843x Series with significant
enhancements in performance and functionality. The chip operates in either the voltage or current mode and can support a wide
variety of converter topologies.
Radiation hardened by design techniques ensure the chip’s outstanding radiation tolerance (>1MRads) while reducing operating
current by more than an order of magnitude over comparable parts.
The PWM5031 provides an under voltage lockout feature with hysteresis that also provides an output to indicate Power is OK.
An input called Sleep is used to power down the entire chip, the Enable input is used to shut down the Oscillator / Output Drives,
and the Soft input drives the Output to zero. There is also a signal input called ENAUX that is used to disable the output to the
auxiliary op-amp.
The dual output drivers are designed using a Totem Pole output capable of sinking and sourcing 50mA constant current and peak
currents up to 1 Amp to support a large variety of Power MOSFETs.
Additional features that boost the appeal and utility of the part are:
Dual break-before-make Totem Pole output stage is employed that virtually eliminates cross conduction and current shoot
through
Logic level input that allows the user to select either 50% or 100% maximum duty cycle operation
Improved oscillator stage that vastly increases waveform linearity and reduces output voltage error
Uncommitted on-board op-amp which can be used for signal conditioning, pulse feedback, or any other user defined
purpose
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