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Package Information

CAD Model: View CAD Model
Pkg. Type: DIE
Pkg. Code:
Lead Count (#):
Pkg. Dimensions (mm):
Pitch (mm):

Environmental & Export Classifications

Moisture Sensitivity Level (MSL)
Pb (Lead) Free No
ECCN (US) EAR99
HTS (US) 8542.39.0090
RoHS (ISL78843ASEHVX) EnglishJapanese

Product Attributes

Pkg. Type DIE
DLA SMD 5962R0724907V9A
Pb (Lead) Free No
MOQ 100
Temp. Range (°C) -55 to +125°C
CAGE code 34371
Control Mode Voltage, Peak Current Mode
DSEE (MeV·cm2/mg) 86
Die Sale Availability? Yes
Duty Cycle (Max) (%) 100
Flow RH Hermetic
Lead Compliant No
Models Available PSPICE, ISIM
No-Load Operating Current 2.9
Operating Freq (Max) (MHz) 1
Outputs (#) 1
PROTO Availability? Yes
Phases (Max) 1
Qualification Level Class V
Quiescent Current 90µA
Rating Space
SMD URL 5962-07249
Supply Voltage (max) (V) 13.2 - 13.2
Supply Voltage (min) (V) 9 - 9
Switching Frequency (max) (kHz) 1000
Switching Frequency (min) (kHz) 2
TID HDR (krad(Si)) 100
TID LDR (krad(Si)) 100
Tape & Reel No
Topology Buck, Boost, Flyback, Forward
UVLO Rising (V) 8.4
VDD1 (V) 9 - 13.2
VREF (V) 5
VREF Output Yes

Description

The ISL78840ASEH, ISL78841ASEH, ISL78843ASEH, ISL78845ASEH, ISL78840ASRH, ISL78841ASRH, ISL78843ASRH, ISL78845ASRH are high-performance, radiation hardened drop-in replacements for the popular 28C4x and 18C4x PWM controllers suitable for a wide range of power conversion applications including boost, flyback and isolated output configurations. Fast signal propagation and output switching characteristics make these ideal products for existing and new designs. Features include up to 13.2V operation, low operating current, 90μA typical start-up current, adjustable operating frequency to 1MHz, and high peak current drive capability with 50ns rise and fall times.