IS-1009EH

Radiation Hardened 2.5V Reference

OVERVIEW

The Star*Power™ Radiation Hardened IS-1009RH, IS-1009EH are a 2.5V shunt regulator diode is designed to provide a stable 2.5V reference over a wide current range.

These devices are designed to maintain stability over the full military temperature range and over time. The 0.2% reference tolerance is achieved by on-chip trimming.

An adjustment terminal is provided to allow for the calibration of system errors. The use of this terminal to adjust the reference voltage does not effect the temperature coefficient.

Constructed with the Intersil dielectrically isolated EBHF process, these devices are immune to single event latch-up and have been specifically designed to provide highly reliable performance in harsh radiation environments.

The IS-1009EH replaces the obsoleted IS-1009RH.

Specifications for Rad Hard QML devices are controlled by the Defense Logistics Agency Land and Maritime (DLA). The SMD numbers listed here must be used when ordering.

Detailed Electrical Specifications for these devices are contained in SMD 5962-00523 .

KEY FEATURES

  • Electrically screened to SMD 5962-00523
  • QML qualified per MIL-PRF-38535 requirements
  • EH version acceptance tested to 50krad(Si) (LDR)
  • Radiation environment
  • High dose rate (50-300rad(Si)/s): 300 krad(Si)
  • Low dose rate (0.01rad(Si)/s): 50krad(Si)
  • Latch-up immune: dielectrically isolated
  • Reverse breakdown voltage (VZ): 2.5V
  • Change in VZ vs current (400µA to 10mA): 6mV
  • Change in VZ vs temperature (-55°C to +125°C): 15mV
  • Maximum reverse breakdown current: 20mA
  • Device is tested with 10µF shunt capacitance connected from V+ to V-, which provides optimum stability
  • Interchangeable with 1009 and 136 industry types

PARAMETRICS

Parameters
IS-1009EH
Basic Information
Production Status
Mass Production
Class
V, Q, /PROTO
DLA SMD
5962-00523
High Dose Rate (HDR) krad (Si)
300
Low Dose Rate (ELDRS) krad (Si)
50
SEL (MeV/mg/cm2)
SEL free
SMD URL
Qualification Level
QML Class V (space)
Temperature Range
-55 to +125

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